Towards zero-waste valorisation of rare-earth-containing industrial process residues: A critical review

Journal of Cleaner Production

Volumn 99, Issue , 2015, Pages 17-38

  Binnemans, Koen ^a   Jones, Peter Tom ^a   Blanpain, Bart ^a   Van Gerven, Tom ^a   Pontikes, Yiannis ^a  

^a UNIVERSITY OF LEUVEN   (Belgium)

Author keywords

Bauxite residue; Lanthanides; Mine tailings; Phosphogypsum; Rare earths; Red mud

Indexed keywords

COAL ASH; COAL INDUSTRY; COAL MINES; ELECTRONIC WASTE; GYPSUM; HYDRIDES; METAL RECOVERY; NICKEL COMPOUNDS; RARE EARTH ELEMENTS; SLAGS; TAILINGS;

BAUXITE RESIDUE; INDUSTRIAL PROCESSS; INDUSTRIAL WASTE STREAMS; MINE TAILINGS; PHOSPHOGYPSUM; RARE EARTH ELEMENTS (REES); RED MUD; SECONDARY RESOURCES;

RARE EARTHS;

EID: 84929293840     PISSN: 09596526     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jclepro.2015.02.089     Document Type: Review

References (255)

1. Abhilash, S. Sinha, M.K. Sinha, and B.D. Pandey Extraction of lanthanum and cerium from Indian red mud Int. J. Miner. Process. 127 2014 70 73
2. A. Akcil, and S. Koldas Acid mine drainage (AMD): causes, treatment and case studies J. Clean. Prod. 14 2006 1139 1145
3. O.I.M. Ali, H.H. Osman, S.A. Sayed, and M.E.H. Shalabi The removal of some rare earth elements from their aqueous solutions on by-pass cement dust (BCD) J. Hazard. Mater. 195 2011 62 67
4. E. Allegrini, A. Maresca, M.E. Olsson, M.S. Holtze, A. Boldrin, and T.F. Astrup Quantification of the resource recovery potential of municipal solid waste incineration bottom ashes Waste Manag. 34 2014 1627 1636
5. 3 slags and carbon-saturated iron ISIJ Int. 33 1993 549 555
6. V. Anagnostopoulos, and B. Symeopoulos A preliminary study of europium uptake by yeast cells. The case of Kluyveromyces marxianus Nucl. Profic. Test. 1036 2008 203 209
7. C.D. Anderson, C.G. Anderson, and P.R. Taylor Survey of recycled rare earths metallurgical processing Can. Metall. Q. 52 2013 249 256
8. Y. Andres, A.C. Texier, and P. Le Cloirec Rare earth elements removal by microbial biosorption: a review Environ. Technol. 24 2003 1367 1375
9. Anon. Phosphate rock may be new rare-earth source Chem. Eng. News 44 1966 52 53
10. Anon. Rhodia, Umicore to recycle rare earths Chem. Eng. News 89 2011 16
11. Aurubis Metal Recycling 2014 http://www.aurubis.com/en/our-business/raw-materials/recycling/metal-recycling/
12. M. Azouazi, Y. Ouahidi, S. Fakhi, Y. Andres, J.C. Abbe, and M. Benmansour Natural radioactivity in phosphates, phosphogypsum and natural waters in Morocco J. Environ. Radioact. 54 2001 231 242
13. S.P.S. Badwal, F.T. Ciacchi, and D. Milosevic Scandia-zirconia electrolytes for intermediate temperature solid oxide fuel cell operation Solid State Ionics 136 2000 91 99
14. E. Balomenos, I. Gianopoulou, D. Panias, and I. Paspaliaris EAF treatment for the efficient and complete exploitation of the bauxite residue (red mud) produced in the Bayer process Proceedings of the European Metallurgical Conference EMC 2013 2013 285 292
15. E. Balomenos, D. Kastritis, D. Panias, I. Paspaliaris, and D. Boufounos The ENEXAL bauxite residue treatment process: industrial scale pilot plant results J. Grandfield, Light Metals 2014 2014 John Wiley & Sons, Inc. Hoboken, NJ, USA 143 146 10.1002/9781118888438.ch25
16. P. Becker Phosphates and Phosphoric Acid: Raw Materials, Technology, and Economics of the Wet Process second ed. Fertilizer Science and Technology Series vol. 6 1989 Marcel Dekker New York
17. R.A. Benmore, M.L. Coleman, and J.M. Mcarthur Origin of sedimentary francolite from its sulfur and carbon isotope composition Nature 302 1983 516 518
18. A. Bhatnagar, V.J.P. Vilar, C.M.S. Botelho, and R.A.R. Boaventura A review of the use of red mud as adsorbent for the removal of toxic pollutants from water and wastewater Environ. Technol. 32 2011 231 249
19. K. Binnemans, and P.T. Jones Perspectives for the recovery of rare earths from end-of-life fluorescent lamps J. Rare Earths 32 2014 195 200
20. K. Binnemans, P.T. Jones, B. Blanpain, T. Van Gerven, Y.X. Yang, A. Walton, and M. Buchert Recycling of rare earths: a critical review J. Clean. Prod. 51 2013 1 22
21. K. Binnemans, P.T. Jones, K. Van Acker, B. Blanpain, B. Mishra, and D. Apelian Rare-earth economics: the balance problem JOM 65 2013 846 848
22. K. Binnemans, Y. Pontikes, P.T. Jones, T. Van Gerven, and B. Blanpain Recovery of rare earths from industrial waste residues: a concise review Proceedings of the Third International Slag Valorisation Symposium (19-20 March 2013, Leuven, Belgium) 2013 191 205
23. R.S. Blissett, N. Smalley, and N.A. Rowson An investigation into six coal fly ashes from the United Kingdom and Poland to evaluate rare earth element content Fuel 119 2014 236 239
24. Boliden Smelters 2014 http://www.boliden.com/Operations/Smelters/
25. C.R. Borra, Y. Pontikes, K. Binnemans, and T. Van Gerven Leaching of rare earths from bauxite residue (red mud) Miner. Eng. 2015 10.1016/j.mineng.2015.01.005 (in press)
26. Boudreault, R., Fournier, J., Primeau, D., 2013a. Processes for treating fly ashes. Patent WO 2013142957.
27. Boudreault, R., Fournier, J., Primeau, D., Labrecque-Gilbert, M.M., 2013b. Processes for treating red mud. Patent WO 2013104059 A1.
28. E.L. Bray Mineral Commodity Summaries: Bauxite and Alumina 2014 2014 U.S. Geological Survey
29. F. Bunus, and R. Dumitrescu Simultaneous extraction of rare-earth elements and uranium from phosphoric-acid Hydrometallurgy 28 1992 331 338
30. F. Bunus, I. Miu, and R. Dumitrescu Simultaneous recovery and separation of uranium and rare-earths from phosphoric-acid in a one-cycle extraction stripping process Hydrometallurgy 35 1994 375 389
31. F.T. Bunus Uranium and rare earth recovery from phosphate fertilizer industry by solvent extraction Miner. Process. Extr. Metall. Rev. 21 2000 381 478
32. W.C. Burnett, M.K. Schultz, and C.D. Hull Radionuclide flow during the conversion of phosphogypsum to ammonium sulfate J. Environ. Radioact. 32 1996 33 51
33. J. Calus-Moszko, and B. Bialecka Analysis of the possibilities of rare earth elements obtaining from coal and fly ash Gospod. Surowcami Miner. 29 2013 67 80
34. Cheret, D., Santen, S., 2007. Battery recycling. US Patent 7,169,206.
35. T.J. Chun, D.Q. Zhu, J. Pan, and Z. He Preparation of metallic iron powder from red mud by sodium salt roasting and magnetic separation Can. Metall. Q. 53 2014 183 189
36. T. Curran, and I.D. Williams A zero waste vision for industrial networks in Europe J. Hazard. Mater. 207 2012 3 7
37. N. Das, and D. Das Recovery of rare earth metals through biosorption: an overview J. Rare Earths 31 2013 933 943
38. P. Davris, E. Balomenos, D. Panias, and I. Paspaliaris Leaching of rare earths from bauxite residues using imidazolium based ionic liquids Proceedings of the 1st European Rare Earth Resources Conference (ERES 2014), Milos (Greece), 4-7 September 2014 2014 241 252
39. Q. Dehaine, and L.O. Filippov Rare earth (La, Ce, Nd) and rare metals (Sn, Nb, W) as by-product of kaolin production, Cornwall: part 1: selection and characterisation of the valuable stream Miner. Eng. 2014 10.1016/j.mineng.2014.10.006
40. J. Delgado, R. Perez-Lopez, L. Galvan, J.M. Nieto, and T. Boski Enrichment of rare earth elements as environmental tracers of contamination by acid mine drainage in salt marshes: a new perspective Mar. Pollut. Bull. 64 2012 1799 1808
41. V.A. Derevyankin, M.I. Gasik, L.I. Anelok, T.P. Porotnikova, and S.B. Vukelich Study of lanthanum- and scandium-containing phases of aluminum-calcium slags Izv. Vyssh. Uchebn. Zaved. Tsvetn. Metall. 1981 84 85
42. V.A. Derevyankin, T.P. Porotnikova, E.K. Kocherova, and I.V. Yumasheva Behavior of scandium and lanthanum during red mud treatment Izv. Vyssh. Uchebn. Zaved. Tsvetn. Metall. 1981 119 120
43. V.A. Derevyankin, T.P. Porotnikova, E.K. Kocherova, I.V. Yumasheva, and V.E. Moiseev Behavior of scandium and lanthanum in the production of alumina from bauxite Izv. Vyssh. Uchebn. Zaved. Tsvetn. Metall. 1981 86 89
44. Diev, V.N., Sabirzyanov, N.A., Skryabneva, L.M., Yatsenko, S.P., Anashkin, V.S., Aminov, S.N., Zavadskii, K.F., Sysoev, A.V., Ustich, E.P., 2003. Recovery of scandium from wastes in processing of bauxite ores for alumina manufacture. Russian Patent RU2201988.
45. Y.G. Ding, J.S. Wang, G. Wang, and Q.G. Xue Innovative methodology for separating of rare earth and iron from Bayan Obo complex iron ore ISIJ Int. 52 2012 1772 1777
46. Y.G. Ding, Q.G. Xue, G. Wang, and J.S. Wang Recovery behavior of rare earth from Bayan Obo complex iron ore Metall. Mater. Trans. B 44 2013 28 36
47. D. Dupont, W. Brullot, M. Bloemen, T. Verbiest, and K. Binnemans Selective uptake of rare earths from aqueous solutions by EDTA-functionalized magnetic and nonmagnetic nanoparticles ACS Appl. Mater. Interfaces 6 2014 4980 4988
48. D. Dupont, J. Luyten, M. Bloemen, T. Verbiest, and K. Binnemans Acid-stable magnetic core-shell nanoparticles for the separation of rare earths Ind. Eng. Chem. Res. 53 2014 15222 15229
49. D. Durinck, F. Engstrom, S. Arnout, J. Heulens, P.T. Jones, B. Bjorkman, B. Blanpain, and P. Wollants Hot stage processing of metallurgical slags Resour. Conserv. Recycl. 52 2008 1121 1131
50. H. EI-Didamony, H.S. Gado, N.S. Awwad, M.M. Fawzy, and M.F. Attallah Treatment of phosphogypsum waste produced from phosphate ore processing J. Hazard. Mater. 244 2013 596 602
51. H. El-Didamony, M.M. Ali, N.S. Awwad, M.M. Fawzy, and M.F. Attallah Treatment of phosphogypsum waste using suitable organic extractants J. Radioanal. Nucl. Chem. 291 2012 907 914
52. 2 Chem. Ing. Tech. 86 2014 840 847
53. 3 and pig iron J. Chem. Technol. Biotechnol. 70 1997 241 246
54. Factsage, 2013.
55. Fang, X., Hu, L., Tan, R., Wang, Z., 2001. Recycling of rare earth ferrosilicon smelting slag. Chinese Patent CN1302910A.
56. N. Felix, and C. Vanriet Recycling of electronic scrap at UMS Hoboken smelter. Precious metals 1994 Proceedings of the 18th International Precious Metals Conference, Vancouver, Canada, June 1994 1994 159 169
57. E.S. Fomin, N.A. Sabirzyanov, V.S. Anashkin, S.P. Yatsenko, and V.N. Diev New approaches to processing of the muds of alumina production Trav. ICSOBA 31 2004 66 71
58. W. Franus, M.M. Wiatros-Motyka, and M. Wdowin Coal fly ash as a resource for rare earth elements Environ. Sci. Pollut. Res. 2015 10.1007/s11356-015-4111-9
59. F.L. Fu, and Q. Wang Removal of heavy metal ions from wastewaters: a review J. Environ. Manag. 92 2011 407 418
60. Fulford, G.D., Lever, G., Sato, T., 1991a. Recovery of rare earth elements from red mud. US Patent 5,030,424.
61. Fulford, G.D., Lever, G., Sato, T., 1991b. Recovery of rare earth elements from sulphurous acid solution by solvent extraction. US Patent 5,015,447.
62. Galvanek, P., 1959. Process of recovering uranium from its ores. US Patent 2,875,023.
63. J. Gambogi Mineral Commodity Summaries: Rare Earths 2014 2014 U.S. Geological Survey
64. S. Gatzini-Leonardou, P. Oustadakis, P.E. Tsakiridis, and C. Markopoulos Titanium leaching from red mud by diluted sulfuric acid at atmospheric pressure J. Hazard. Mater. 157 2008 579 586
65. A. Gelencser, N. Kovats, B. Turoczi, A. Rostasi, A. Hoffer, K. Imre, I. Nyiro-Kosa, D. Csakberenyi-Malasics, A. Toth, A. Czitrovszky, A. Nagy, S. Nagy, A. Acs, A. Kovacs, A. Ferincz, Z. Hartyani, and M. Posfai The red mud accident in Ajka (Hungary): characterization and potential health effects of fugitive dust Environ. Sci. Technol. 45 2011 1608 1615
66. R. Geremias, R.C. Pedrosa, J.C. Benassi, V.T. Favere, J. Stolberg, C.T.B. Menezes, and M.C.M. Laranjeira Remediation of coal mining wastewaters using chitosan microspheres Environ. Technol. 24 2003 1509 1515
67. Germeau, A., Guidi, T., Fati, D., 2013. Method for treating phosphate rock. Patent WO 2013060689 A1.
68. F. Gezer, S. Turhan, F.A. Ugur, E. Goren, M.Z. Kurt, and Y. Ufuktepe Natural radionuclide content of disposed phosphogypsum as TENORM produced from phosphorus fertilizer industry in Turkey Ann. Nucl. Energy 50 2012 33 37
69. Y.W. Gokhale, and T.R. Bhat Determination of scandium in wolframite and in residues obtained after extraction of tungsten Talanta 14 1967 435 437
70. D.C. Goldberg Processes for Extracting Alumina from Nonbauxite Ores Report of the National Research Council (U.S.) 1970 National Materials Advisory Board, Panel on Potentials of Aluminum Extractive Processes Publication NMAB-278
71. A. Golev, M. Scott, P.D. Erskine, S.H. Ali, and G.R. Ballantyne Rare earths supply chains: current status, constraints and opportunities Res. Policy 41 2014 52 59
72. M. Grafe, and C. Klauber Bauxite residue issues: IV. Old obstacles and new pathways for in situ residue bioremediation Hydrometallurgy 108 2011 46 59
73. M. Grafe, G. Power, and C. Klauber Bauxite residue issues: III. Alkalinity and associated chemistry Hydrometallurgy 108 2011 60 79
74. R.I. Grauch, P.L. Verplanck, C.M. Seeger, J.R. Budahn, and B.S. Van Gosen Chemistry of Selected Core Samples, Concentrate, Tailings, and Tailings Pond Waters: Pea Ridge Iron (-Lanthanide-Gold) Deposit, Washington County, Missouri Open-file report 2010-1080 2010 U.S. Department of the Interior, U.S. Geological Survey Reston, Virginia
75. Grinstead, R.R., 1958. Process for utilizing organic orthophosphate extractants. US Patent 2,860,031.
76. Grinstead, R.R., 1959a. Process for the recovery of metals from high-lime carnotite ores. US Patent 2,869,980.
77. Grinstead, R.R., 1959b. Slurry solvent extraction process for the recovery of metals from solid materials. US Patent 2,869,979.
78. H.N. Gu, N. Wang, and S.R. Liu Radiological restrictions of using red mud as building material additive Waste Manag. Res. 30 2012 961 965
79. G.Y. Guo, Y.L. Chen, and Y. Li Solvent-extraction of scandium from wolframite residue J. Met. 40 1988 28 31
80. C.K. Gupta, and N. Krishnamurthy Extractive metallurgy of rare-earths Int. Mater. Rev. 37 1992 197 248
81. C.K. Gupta, and N. Krishnamurthy Extractive Metallurgy of Rare Earths 2004 CRC Press Boca Raton (FL)
82. C.K. Gupta, and H. Singh Uranium Resource Processing - Secondary Resources 2003 Springer Berlin
83. F. Habashi The recovery of the lanthanides from phosphate rock J. Chem. Technol. Biotechnol. A 35 1985 5 14
84. F. Habashi In-situ and dump leaching technology - application to phosphate rock Fertil. Res. 18 1989 275 279
85. F. Habashi Phosphate fertiliser industry processing technology Ind. Miner. 318 1994 65 69
86. F. Habashi Solvent extraction in the phosphate fertilizer industry EPD Congress 1998 1998 201 218
87. F. Habashi Extractive metallurgy of rare earths Can. Metall. Q. 52 2013 224 233
88. F. Habashi, and F.T. Awadalla The recovery of uranium and lanthanides during the production of nitrophosphate fertilizers using tertiary amyl alcohol J. Chem. Technol. Biotechnol. 36 1986 1 6
89. F. Habashi, and F.T. Awadalla In-situ and dump leaching of phosphate rock Ind. Eng. Chem. Res. 27 1988 2165 2169
90. F. Habashi, F.T. Awadalla, and X.B. Yao The hydrochloric-acid route for phosphate rock J. Chem. Technol. Biotechnol. 38 1987 115 126
91. F. Habashi, F.T. Awadalla, and M. Zailaf The recovery of uranium and the lanthanides from phosphate rock J. Chem. Technol. Biotechnol. 36 1986 259 266
92. 3 communication: red mud - a resource or a waste? JOM 65 2013 340 341
93. P.P. Haridasan, C.G. Maniyan, P.M.B. Pillai, and A.H. Khan Dissolution characteristics of Ra-226 from phosphogypsum J. Environ. Radioact. 62 2002 287 294
94. C.D. Hull, and W.C. Burnett Radiochemistry of Florida phosphogypsum J. Environ. Radioact. 32 1996 213 238
95. V. Innocenzi, I. De Michelis, B. Kopacek, and F. Veglio Yttrium recovery from primary and secondary sources: a review of main hydrometallurgical processes Waste Manag. 34 2014 1237 1250
96. K. Inoue Chromatographic separation of rare earths with complexane types of chemically modified chitosan M.G. Peter, A. Domard, R.A.A. Muzzarelli, Proceedings of the 3rd International Conference of the European Chitin Society Advances in Chitin Science vol. 4 2000 Universität Potsdam Potsdam 460 465
97. International Aluminium Institute Bauxite Residue Management: Best Practice 2013
98. A. Jarosinski, J. Kowalczyk, and C. Mazanek Development of the Polish wasteless technology of apatite phosphogypsum utilization with recovery of rare-earths J. Alloys Compd. 200 1993 147 150
99. S.M. Jasinski Mineral Commodity Summaries: Phosphate 2014 2014 U.S. Geological Survey
100. A. Jha, A. Lahiri, and E.J. Kumari Beneficiation of titaniferous ores by selective separation of iron oxide, impurities and rare earth oxides for the production of high grade synthetic rutile Trans. Inst. Min. Metall. Sect. C 117 2008 157 165
101. A. Jha, G. Cooke, A. Lahiri, and E.J. Kumari The alkali roasting and leaching of ilmenite minerals for the extraction of high purity synthetic rutile and rare-earth oxides Energy Technology 2011: Carbon Dioxide and Other Greenhouse Gas Reduction Metallurgy and Waste Heat Recovery 2011 183 195
102. Y.L. Jia, Y.C. Dong, and Z.Z. Qin Experimental research of physical-properties of the re-refining slag J. Rare Earths 13 1995 133 136
103. N. Johansson, J. Krook, M. Eklund, and B. Berglund An integrated review of concepts and initiatives for mining the technosphere: towards a new taxonomy J. Clean. Prod. 55 2013 35 44
104. B.E. Johnson, P.H. Santschi, C.Y. Chuang, S. Otosaka, R.S. Addleman, M. Douglas, R.D. Rutledge, W. Chouyyok, J.D. Davidson, G.E. Fryxell, and J.M. Schwantes Collection of lanthanides and actinides from natural waters with conventional and nanoporous sorbents Environ. Sci. Technol. 46 2012 11251 11258
105. B.E.H. Jones, and R.J. Haynes Bauxite processing residue: a critical review of its formation, properties, storage, and revegetation Crit. Rev. Environ. Sci. Technol. 41 2011 271 315
106. P.T. Jones, D. Geysen, M.Q. Guo, and B. Blanpain Proceedings of the First Slag Valorisation Symposium, 6-7 April 2009, Leuven, Belgium 2009 ACCO Leuven
107. P.T. Jones, D. Geysen, Y. Tielemans, Y. Pontikes, B. Blanpain, B. Mishra, and D. Apelian Closing material loops: the enhanced landfill mining concept JOM 64 2012 743 744
108. P.T. Jones, D. Geysen, Y. Tielemans, S. Van Passel, Y. Pontikes, B. Blanpain, M. Quaghebeur, and N. Hoekstra Enhanced landfill mining in view of multiple resource recovery: a critical review J. Clean. Prod. 55 2013 45 55
109. 2) research program at KU Leuven JOM 63 2011 14 15
110. A. Jordens, Y.P. Cheng, and K.E. Waters A review of the beneficiation of rare earth element bearing minerals Miner. Eng. 41 2013 97 114
111. Joshi, P.B., Preda, D.V., Skyler, D.A., Tsinberg, A., Green, B.D., Marinelli, W.J., 2013. Recovery of rare earth elements and compounds from coal ash. US Patent 20130287653.
112. 4 solvent Open J. Phys. Chem. 3 2014 69 75
113. C.J. Kim, H.S. Yoon, K.W. Chung, J.Y. Lee, S.D. Kim, S.M. Shin, S.J. Lee, A.R. Joe, S.I. Lee, S.J. Yoo, and S.H. Kim Leaching kinetics of lanthanum in sulfuric acid from rare earth element (REE) slag Hydrometallurgy 146 2014 133 137
114. C. Klauber, M. Grafe, and G. Power Bauxite residue issues: II. Options for residue utilization Hydrometallurgy 108 2011 11 32
115. S. Kobayashi Scandium triflate in organic synthesis Eur. J. Org. Chem. 1999 15 27
116. C. Koopman, M. Hoogerwerf, and G.J. Witkamp In-line removal of impurities by ion exchange during a recrystallization step in the phosphoric acid production process Rewas'99 Global Symposium on Recycling, Waste Treatment and Clean Technology vol. I-III 1999 1745 1753
117. C. Koopman, C.J. Witkamp, and G.M. Van Rosmalen Removal of heavy metals and lanthanides from industrial phosphoric acid process liquors Sep. Sci. Technol. 34 1999 2997 3008
118. C. Koopman, and G.J. Witkamp Extraction of lanthanides from the phosphoric acid production process to gain a purified gypsum and a valuable lanthanide by-product Hydrometallurgy 58 2000 51 60
119. Kruse, J.M., 1963. Process for the selective recovery of uranium directly from uranium-bearing ores. US Patent 3,089,885.
120. B.N. Kumar, S. Radhika, M.L. Kantam, and B.R. Reddy Solid-liquid extraction of terbium from phosphoric acid solutions using solvent-impregnated resin containing TOPS 99 J. Chem. Technol. Biotechnol. 86 2011 562 569
121. B.N. Kumar, S. Radhika, and B.R. Reddy Solid-liquid extraction of heavy rare-earths from phosphoric acid solutions using Tulsion CH-96 and T-PAR resins Chem. Eng. J. 160 2010 138 144
122. S. Kumar, R. Kumar, and A. Bandopadhyay Innovative methodologies for the utilisation of wastes from metallurgical and allied industries Resour. Conserv. Recycl. 48 2006 301 314
123. Kuwabara, H., Atsukawa, M., Nishimoto, Y., Iwaiya, Y., 1967. Process of recovering valuable components from red mud. US Patent 3,311,449.
124. A. Lahiri, and A. Jha Novel Alkali Roasting of Titaniferous Minerals and Leaching for the Production of Synthetic Rutile Energy Technology Perspectives: Conservation, Carbon Dioxide Reduction and Production from Alternative Sources 2009 115 125
125. E.P. Legaria, S.D. Topel, V.G. Kessler, and G.A. Seisenbaeva Molecular insights into the selective action of a magnetically removable complexone-grafted adsorbent Dalton Trans. 44 2015 1273 1282
126. Leveque, A., Sabot, J.L., 1981. Procédé de recupération globale de l'uranium, des terres rares, du thorium et de l'yttrium appliqué au traitement de phosphogypse. French patent FR2485506-A2.
127. 2 ACS Appl. Mater. Interfaces 5 2013 9719 9725
128. H.K. Lin, and X.P. Zheng Process mineralogy of scandium and europium-containing iron-making slag Miner. Metall. Proc. 14 1997 18 20
129. D.Y. Liu, and C.S. Wu Stockpiling and comprehensive utilization of red mud research progress Materials 5 2012 1232 1246
130. W.C. Liu, J.K. Yang, and B. Xiao Application of Bayer red mud for iron recovery and building material production from alumosilicate residues J. Hazard. Mater. 161 2009 474 478
131. W.C. Liu, J.K. Yang, and B. Xiao Review on treatment and utilization of bauxite residues in China Int. J. Miner. Process. 93 2009 220 231
132. X.M. Liu, and N. Zhang Utilization of red mud in cement production: a review Waste Manag. Res. 29 2011 1053 1063
133. Y.J. Liu, and R. Naidu Hidden values in bauxite residue (red mud): recovery of metals Waste Manag. 34 2014 2662 2673
134. I.V. Loginova, A.V. Kyrchikov, V.A. Lebedev, and S.F. Ordon Investigation into the question of complex processing of bauxites of the srednetimanskoe deposit Russ. J. Non-Ferr. Met. 54 2013 143 147
135. V.G. Logomerac Distribution of rare-earth and minor elements in some bauxite and red mud produced Proceedings of the 2nd International Symposium of the ICSOBA (6-10 October 1969, Budapest, Hungary) 1971 383 393
136. V.G. Logomerac Complex utilization of red mud by smelting and solvent extraction Trav. Com. Int. Etude Bauxites, Alum. Alum. 15 1979 279 285
137. V.G. Logomerac The complex utilization of red mud or low grade bauxite by solvent extraction Special volume Proc. Int. Solvent Extr. Conf., 1977 vol. 21 1979 Canadian Institute of Mining and Metallurgy 516 520
138. E.P. Lokshin, and O.A. Tareeva Recovery of lanthanides from extraction phosphoric acid produced by the dihydrate process Russ. J. Appl. Chem. 83 2010 951 957
139. E.P. Lokshin, O.A. Tareeva, and I.P. Elizarova Processing of phosphodihydrate to separate rare-earth elements and obtain gypsum free from phosphates and fluorides Russ. J. Appl. Chem. 84 2011 1461 1469
140. E.P. Lokshin, O.A. Tareeva, and I.R. Elizarova On integrated processing of phosphogypsum Russ. J. Appl. Chem. 86 2013 463 468
141. E.P. Lokshin, Y.A. Vershkova, A.V. Vershkov, and O.A. Tareeva Leaching of lanthanides from phosphohemihydrate with nitric acid Russ. J. Appl. Chem. 75 2002 1753 1759
142. K.R. Long, B.S. Van Gosen, N.K. Foley, and D. Cordier The Principal Rare Earth Elements Deposits of the United States - a Summary of Domestic Deposits and a Global Perspective Scientific investigations report 2010-5220 2010 U.S. Department of the Interior, U.S. Geological Survey Reston, Virginia
143. W.Y. Luo, and Z.H. Xiao Preparation of glass-ceramic materials from rare earth tailings Adv. Mater. Res. 236-238 2011 460 463
144. B. Mazzilli, V. Palmiro, C. Saueia, and M.B. Nisti Radiochemical characterization of Brazilian phosphogypsum J. Environ. Radioact. 49 2000 113 122
145. S.N. Meher, A.K. Rout, and B.K. Padhi Extraction of alumina from red mud by divalent alkaline earth metal soda ash sinter process Light Met. 2011 2011 231 236
146. 3 sinter process E-J. Chem. 8 2011 1387 1393
147. R.G. Menzel Uranium radium and thorium content in phosphate rocks and their possible radiation hazard J. Agric. Food Chem. 16 1968 231 234
148. D. Merten, and G. Buchel Determination of rare earth elements in acid mine drainage by inductively coupled plasma mass spectrometry Microchim. Acta 148 2004 163 170
149. C.E.M. Meskers, C. Hageluken, and G. Van Damme Green recycling of EEE: special and precious metal recovery from EEE EPD Congress 2009 2009 1131 1136
150. L.S. Morf, R. Gloor, O. Haag, M. Haupt, S. Skutan, F. Di Lorenzo, and D. Boni Precious metals and rare earth elements in municipal solid waste - sources and fate in a Swiss incineration plant Waste Manag. 33 2013 634 644
151. H. Moriwaki, and H. Yamamoto Interactions of microorganisms with rare earth ions and their utilization for separation and environmental technology Appl. Microbiol. Biotechnol. 97 2013 1 8
152. 2-slag system for high rare earth contents Proceedings of 7th International Conference on Molten Slags, Fluxes and Salts, 25-28 January, 2004, Cape Town, South Africa 2004 449 454
153. T. Muller, and B. Friedrich Development of a recycling process for nickel-metal hydride batteries J. Power Sources 158 2006 1498 1509
154. T.R. Muraleedharan, L. Philip, L. Iyengar, and C. Venkobachar Application studies of biosorption for monazite processing-industry effluents Bioresour. Technol. 49 1994 179 186
155. S. Natansohn, W.J. Rourke, and W.C. Lai Recovery of Valuable Metals from Industrial-Wastes ACS Symp. Ser. vol. 509 1992 129 146
156. P. Nockemann, B. Thijs, S. Pittois, J. Thoen, C. Glorieux, K. Van Hecke, L. Van Meervelt, B. Kirchner, and K. Binnemans Task-specific ionic liquid for solubilizing metal oxides J. Phys. Chem. B 110 2006 20978 20992
157. B.H. O'Connor, A.M. Donoghue, T.J.H. Manning, and B.J. Chesson Radiological assessment for bauxite mining and alumina refining Ann. Occup. Hyg. 57 2013 63 76
158. M. Ochsenkühn-Petropoulou, T. Lyberopulu, K.M. Ochsenkuhn, and G. Parissakis Recovery of lanthanides and yttrium from red mud by selective leaching Anal. Chim. Acta 319 1996 249 254
159. M. Ochsenkühn-Petropoulou, T. Lyberopulu, and G. Parissakis Direct determination of lanthanides, yttrium and scandium in bauxites and red mud from alumina production Anal. Chim. Acta 296 1994 305 313
160. M.T. Ochsenkühn-Petropoulou, K.S. Hatzilyberis, L.N. Mendrinos, and C.E. Salmas Pilot-plant investigation of the leaching process for the recovery of scandium from red mud Ind. Eng. Chem. Res. 41 2002 5794 5801
161. B.I. Palsson, O. Martinsson, C. Wanhainen, and A. Fredriksson Unlocking rare earth elements from European apatite-iron ores Proceedings of the 1st European Rare Earth Resources Conference (ERES 2014), Milos (Greece), 4-7 September 2014 2014 211 220
162. C. Papastefanou, S. Stoulos, A. Ioannidou, and A. Manolopoulou The application of phosphogypsum in agriculture and the radiological impact J. Environ. Radioact. 89 2006 188 198
163. R.K. Paramguru, P.C. Rath, and V.N. Misra Trends in red mud utilization - a review Miner. Process. Extr. Metall. Rev. 26 2005 1 29
164. J. Paridaens, and H. Vanmarcke Radium contamination of the banks of the river Laak as a consequence of the phosphate industry in Belgium J. Environ. Radioact. 54 2001 53 60
165. J. Paridaens, and H. Vanmarcke Radiological impact of almost a century of phosphate industry in Flanders, Belgium Health Phys. 95 2008 413 424
166. L.A. Pasechnik, A.G. Shirokova, O.V. Koryakova, N.A. Sabirzyanov, and S.P. Yatsenko Complexing properties of scandium(III) in alkaline medium Russ. J. Appl. Chem. 77 2004 1070 1073
167. S.H. Patterson, H.F. Kurtz, J.C. Olson, and C.L. Neeley World Bauxite Resources U.S. Geological Survey professional paper; 1076-B 1986 United States Government Printing Office Washington
168. F.A. Peters, R.C. Kirby, and K.B. Higbie Methods for producing alumina from clay - an evaluation J. Met. 19 1967 26 34
169. O. Petrakova, G. Klimentenok, A. Panov, and S. Gorbachev Application of modern methods for red mud processing to produce rare earth elements Proceedings of the 1st European Rare Earth Resources Conference (ERES 2014), Milos (Greece), 4-7 September 2014 2014 221 229
170. L. Philip, L. Iyengar, and C. Venkobachar Biosorption of U, La, Pr, Nd, Eu and Dy by Pseudomonas aeruginosa J. Ind. Microbiol. Biotechnol. 25 2000 1 7
171. L. Piga, F. Pochetti, and L. Stoppa Recovering metals from red mud generated during alumina production J. Miner. Met. Mater. Soc. 45 1993 54 59
172. Y. Pontikes, and G.N. Angelopoulos Bauxite residue in cement and cementitious applications: current status and a possible way forward Resour. Conserv. Recycl. 73 2013 53 63
173. G. Power, M. Grafe, and C. Klauber Bauxite residue issues: I. Current management, disposal and storage practices Hydrometallurgy 108 2011 33 45
174. J.S. Preston The recovery of rare earth oxides from a phosphoric acid byproduct. 4. The preparation of magnet-grade neodymium oxide from the light rare earth fraction Hydrometallurgy 42 1996 151 167
175. J.S. Preston, P.M. Cole, W.M. Craig, and A.M. Feather The recovery of rare earth oxides from a phosphoric acid by-product. 1. Leaching of rare earth values and recovery of a mixed rare earth oxide by solvent extraction Hydrometallurgy 41 1996 1 19
176. J.S. Preston, P.M. Cole, A.C. Dupreez, M.H. Fox, and A.M. Fleming The recovery of rare earth oxides from a phosphoric acid by-product. 2. The preparation of high-purity cerium dioxide and recovery of a heavy rare earth oxide concentrate Hydrometallurgy 41 1996 21 44
177. J.S. Preston, A.C. Dupreez, P.M. Cole, and M.H. Fox The recovery of rare earth oxides from a phosphoric acid by-product. 3. The separation of the middle and light rare earth fractions and the preparation of pure europium oxide Hydrometallurgy 42 1996 131 149
178. J.S. Preston, and P. Du The recovery of a mixed rare-earth oxide and the preparation of cerium, europium and neodymium oxides from a South African phosphoric acid sludge by solvent extraction Miner. Process. Extr. Metall. Rev. 18 1998 175 200
179. G. Protano, and F. Riccobono High contents of rare earth elements (REEs) in stream waters of a Cu-Pb-Zn mining area Environ. Pollut. 117 2002 499 514
180. I.N. Pyagai, L.A. Pasechnik, A.S. Yatsenko, V.M. Skachkov, and S.P. Yatsenko Recovery of sludge from alumina production Russ. J. Appl. Chem. 85 2012 1649 1653
181. S.O. Qin, and B.L. Wu Reducing the radiation dose of red mud to environmentally acceptable levels as an example of novel ceramic materials Green Chem. 13 2011 2423 2427
182. Y. Qu, and B. Lian Bioleaching of rare earth and radioactive elements from red mud using Penicillium tricolor RM-10 Bioresour. Technol. 136 2013 16 23
183. X. Querol, J.L. Fernandezturiel, and A. Lopezsoler Trace-elements in coal and their behavior during combustion in a large power-station Fuel 74 1995 331 343
184. S. Radhika, B.N. Kumar, M.L. Kantam, and B.R. Reddy Solvent extraction and separation of rare-earths from phosphoric acid solutions with TOPS 99 Hydrometallurgy 110 2011 50 55
185. N.A. Raspopov, V.P. Korneev, V.V. Averin, Yu.A. Lainer, D.V. Zinoveev, and V.G. Dyubanov Reduction of iron oxides during the pyrometallurgical processing of red mud Russ. Metall. 2013 2013 41 45
186. B.R. Reddy, B.N. Kumar, and S. Radhika Solid-liquid extraction of terbium from phosphoric acid medium using bifunctional phosphinic acid resin, Tulsion CH-96 Solvent Extr. Ion Exch. 27 2009 695 711
187. M.A. Reuter, C. Hudson, A. van Schaik, K. Heiskanen, C. Meskers, and C. Hageluken UNEP (2013) Metal Recycling: Opportunities, Limits, Infrastructure A report of the Working Group on the Global Metal Flows to the International Resource Panel 2013
188. M.A. Reuter, and A. van Schaik 10 Design for recycling rules, product centric recycling & urban/landfill mining Proceedings of the Second International Academic Enhanced Landfill Mining Symposium (14-16 October 2013, Houthalen-Helchteren, Belgium) 2013 103 118
189. Rhodia Press Release: Umicore and Rhodia Develop Unique Rare Earth Recycling Process for Rechargeable Batteries 2011
190. J. Richardson Up to 2,500 per cent higher concentration levels in Ja's red mud: "god-blessed dirt" Jam. Obs. 13 February 2013
191. M.G. Roig, T. Manzano, and M. Diaz Biochemical process for the removal of uranium from acid mine drainages Water Res. 31 1997 2073 2083
192. J. Roosen, and K. Binnemans Adsorption and chromatographic separation of rare earths with EDTA- and DTPA-functionalized chitosan biopolymers J. Mater. Chem. A 2 2014 1530 1540
193. J. Roosen, J. Spooren, and K. Binnemans Adsorption performance of functionalized chitosan-silica hybrid materials toward rare earths J. Mater. Chem. A 2 2014 19415 19426
194. J. Royset, and N. Ryum Scandium in aluminium alloys Int. Mater. Rev. 50 2005 19 44
195. P.M. Rutherford, M.J. Dudas, and R.A. Samek Environmental impacts of phosphogypsum Sci. Total Environ. 149 1994 1 38
196. S. Ruyters, J. Mertens, E. Vassilieva, B. Dehandschutter, A. Poffijn, and E. Smolders The red mud accident in Ajka (Hungary): plant toxicity and trace metal bioavailability in red mud contaminated soil Environ. Sci. Technol. 45 2011 1616 1622
197. M. Samouhos, M. Taxiarchou, P.E. Tsakiridis, and K. Potiriadis Greek "red mud" residue: a study of microwave reductive roasting followed by magnetic separation for a metallic iron recovery process J. Hazard. Mater. 254 2013 193 205
198. S. Sanchez-Segado, A. Lahiri, and A. Jha Alkali roasting of bomar ilmenite: rare earths recovery and physico-chemical changes Open Chem. 13 2015 270 278
199. V. Sargic, and V. Logomerac Leaching and extraction in the complex processing of red mud Trav. ICSOBA 11 1974 71 78
200. C.H. Saueia, B.P. Mazzilli, and D.I.T. Favaro Natural radioactivity in phosphate rock, phosphogypsum and phosphate fertilizers in Brazil J. Radioanal. Nucl. Chem. 264 2005 445 448
201. 2 from red mud Hydrometallurgy 71 2004 397 401
202. V.V. Seredin Rare earth element-bearing coals from the Russian Far East deposits Int. J. Coal Geol. 30 1996 101 129
203. V.V. Seredin, and S.F. Dai Coal deposits as potential alternative sources for lanthanides and yttrium Int. J. Coal Geol. 94 2012 67 93
204. V.V. Seredin, S.F. Dai, Y.Z. Sun, and I.Y. Chekryzhov Coal deposits as promising sources of rare metals for alternative power and energy-efficient technologies Appl. Geochem. 31 2013 1 11
205. V.V. Seredin, and R.B. Finkelman Metalliferous coals: a review of the main genetic and geochemical types Int. J. Coal Geol. 76 2008 253 289
206. A. Shakhashiro, U. Sansone, H. Wershofen, A. Bollhofer, C.K. Kim, C.S. Kim, M. Korun, M. Moune, S.H. Lee, and S. Tarjan Technically Enhanced Naturally Occurring Radionuclides (TENORM) in Phosphogypsum Metrologia 47, Art. 06018 2010
207. H. Shlewit Treatment of phosphate rocks with hydrochloric acid J. Radioanal. Nucl. Chem. 287 2011 49 54
208. M. Singh Treating waste phosphogypsum for cement and plaster manufacture Cem. Concr. Res. 32 2002 1033 1038
209. M. Singh, M. Garg, and S.S. Rehsi Purifying phosphogypsum for building manufacture Constr. Build. Mater. 7 1993 3 7
210. D.I. Smirnov, and T.V. Molchanova The investigation of sulphuric acid sorption recovery of scandium and uranium from the red mud of alumina production Hydrometallurgy 45 1997 249 259
211. P. Smith The processing of high silica bauxites - review of existing and potential processes Hydrometallurgy 98 2009 162 176
212. J. Somlai, V. Jobbagy, J. Kovacs, S. Tarjan, and T. Kovacs Radiological aspects of the usability of red mud as building material additive J. Hazard. Mater. 150 2008 541 545
213. S. Sushil, and V.S. Batra Catalytic applications of red mud, an aluminium industry waste: a review Appl. Catal. B 81 2008 64 77
214. K. Szamalek, G. Konopka, K. Zglinicki, and B. Marciniak-Maliszewska New potential source of rare earth elements Gospod. Surowcami Miner. 29 2013 59 76
215. M. Tanaka, T. Oki, K. Koyama, H. Narita, and T. Oishi Recycling of rare earths from scrap J.-C.G. Bünzli, V.K. Pecharsky, Handbook on the Physics and Chemistry of Rare Earths vol. 43 2013 Elsevier Amsterdam 159 212 (Chapter 255)
216. K. Tang, A. Ciftja, C. van der Eijk, S. Wilson, and G. Tranell Recycling of the rare earth oxides from spent rechargeable batteries using waste metallurgical slags J. Min. Metall. Sect. B Metall. 49 2013 233 236
217. I.N. Tanutrov, M.N. Sviridova, and A.N. Savenya A new technology for coprocessing man-made wastes Russ. J. Non-Ferr. Met. 54 2013 136 142
218. H. Tayibi, M. Choura, F.A. Lopez, F.J. Alguacil, and A. Lopez-Delgado Environmental impact and management of phosphogypsum J. Environ. Manag. 90 2009 2377 2386
219. D. Todorovsky, A. Terziev, and M. Milanova Influence of mechanoactivation on rare earths leaching from phosphogypsum Hydrometallurgy 45 1997 13 19
220. 3+) in solution J. Nanopart. Res. 16 2014
221. L.V. Tsakanika, M.T. Ochsenkühn-Petropoulou, and L.N. Mendrinos Investigation of the separation of scandium and rare earth elements from red mud by use of reversed-phase HPLC Anal. Bioanal. Chem. 379 2004 796 802
222. T. Tsuruta Accumulation of rare earth elements in various microorganisms J. Rare Earths 25 2007 526 532
223. Umicore Press Release CP-2009-31-R: Umicore Invests in Recycling of Rechargeable Batteries 2009
224. Umicore Press Release CP-2011-35: Inauguration of Battery Recycling Facility in Hoboken 2011
225. F. Vanbellen, and M. Chintinne The precious art of metals recycling Thermo and Physicochemical Principles: Nonferrous High Temperature Processing Advanced Processing of Metals and Materials (Sohn International Symposium) vol. 1 2006 43 52
226. H.B. Vanderheijde, P.J. Klijn, K. Duursma, D. Eisma, A.J. Degroot, P. Hagel, H.W. Koster, and J.L. Nooyen Environmental aspects of phosphate fertilizer production in the Netherlands - with particular reference to the disposal of phosphogypsum Sci. Total Environ. 90 1990 203 225
227. F. Verhaeghe, F. Goubin, B. Yazicioglu, M. Schurmans, B. Thijs, G. Haesebroek, J. Tytgat, and M. Van Camp Valorisation of battery recycling slags Proceedings of the 2nd International Slag Valorisation Symposium (18-20 April 2011, Leuven, Belgium) 2011 365 373
228. A.S. Wagh, and W.R. Pinnock Occurrence of scandium and rare-earth elements in Jamaican bauxite waste Econ. Geol. 82 1987 757 761
229. L.S. Wang, Z.Q. Long, X.W. Huang, Y. Yu, D.L. Cui, and G.C. Zhang Recovery of rare earths from wet-process phosphoric acid Hydrometallurgy 101 2010 41 47
230. L.S. Wang, Y. Yu, Y. Liu, and Z.Q. Long Centrifugal extraction of rare earths from wet-process phosphoric acid Rare Met. 30 2011 211 215
231. W.W. Wang, Y. Pranolo, and C.Y. Cheng Metallurgical processes for scandium recovery from various resources: a review Hydrometallurgy 108 2011 100 108
232. W.W. Wang, Y. Pranolo, and C.Y. Cheng Recovery of scandium from synthetic red mud leach solutions by solvent extraction with D2EHPA Sep. Purif. Technol 108 2013 96 102
233. G. Werner, H. Giseke, and H. Holzapfe Untersuchungen Uber Die Extraktion der Seltenen Erden Mit Tributylphosphat.2. Seltenerd-Gewinnung aus Kola-Apatit J. Less-Common Met. 11 1966 209 215
234. G. Werner, J. Pritzkow, O. Wildner, and H. Holzapfe Untersuchungen Uber Die Extraktion der Seltenen Erden Mit Tributylphosphat.I. Die Extraktion aus Calciumphosphathaltiger Losung J. Less-Common Met. 10 1966 323 327
235. A. Xenidis, C. Zografidis, I. Kotsis, and D. Boufounos Reductive roasting and magnetic separation of Greek bauxite residue for its utilization in iron ore industry Light Met. 2009 2009 63 67
236. A. Xenidis, C. Zografidis, I. Kotsis, and D. Boufounos Reductive smelting of Greek bauxite residues for iron production Light Met. 2011 2011 113 117
237. F. Xie, T.A. Zhang, D. Dreisinger, and F. Doyle A critical review on solvent extraction of rare earths from aqueous solutions Miner. Eng. 56 2014 10 28
238. S.Q. Xu, and S.Q. Li Review of the extractive metallurgy of scandium in China (1978-1991) Hydrometallurgy 42 1996 337 343
239. T. Xu, and H.Q. Peng Formation cause, composition analysis and comprehensive utilization of rare earth solid wastes J. Rare Earths 27 2009 1096 1102
240. 3+ waste of oil shale ash (Fe-Al-OSA) Ind. Eng. Chem. Res. 49 2010 11645 11651
241. 3 on steel cleanliness J. Rare Earths 29 2011 1079 1083
242. W. Yantasee, G.E. Fryxell, R.S. Addleman, R.J. Wiacek, V. Koonsiripaiboon, K. Pattamakomsan, V. Sukwarotwat, J. Xu, and K.N. Raymond Selective removal of lanthanides from natural waters, acidic streams and dialysate J. Hazard. Mater. 168 2009 1233 1238
243. S.P. Yatsenko, and I.N. Pyagai Red mud pulp carbonization with scandium extraction during alumina production Theor. Found. Chem. Eng. 44 2010 563 568
244. Yatsenko, S.P., Sabirzyanov, N.A., Pasechnik, L.A., Rubinshteyn, G.M., Diev, V.N., Skryabneva, L.M., 2005. Multiple-stage leaching of red mud for recovery of scandium oxide. Russian Patent RU2247788.
245. X.L. Yu, L. Bai, Q.C. Wang, J. Liu, M.Y. Chi, and Z.C. Wang Recovery of rare earths, niobium, and thorium from the tailings of giant Bayan Obo ore in China Metall. Mater. Trans. B 43 2012 485 493
246. A.U. Zaman Identification of key assessment indicators of the zero waste management systems Ecol. Indic. 36 2014 682 693
247. A.U. Zaman, and S. Lehmann The zero waste index: a performance measurement tool for waste management systems in a 'zero waste city' J. Clean. Prod. 50 2013 123 132
248. A.I. Zazubin, A.N. Barshchevskaya, and G.M. Potapova Complex reprocessing of red mud Tr. Inst. Metall. Ob. Akad. Nauk. Kaz. SSR 25 1967 3 7
249. B. Zhang, C.J. Liu, C.L. Li, and M.F. Jiang A novel approach for recovery of rare earths and niobium from Bayan Obo tailings Miner. Eng. 65 2014 17 23
250. L.J. Zhao, F.S. Zhang, and J.X. Zhang Chemical properties of rare earth elements in typical medical waste incinerator ashes in China J. Hazard. Mater. 158 2008 465 470
251. T.A. Zhao, B.W. Li, Z.Y. Gao, and D.Q. Chang The utilization of rare earth tailing for the production of glass-ceramics Mater. Sci. Eng. B 170 2010 22 25
252. X.P. Zheng, and H.K. Lin Mineralogy and flotation of rare-earth-bearing barium fluorophlogopite Miner. Eng. 7 1994 1495 1503
253. R.A. Zielinski, M.S. Al-Hwaiti, J.R. Budahn, and J.F. Ranville Radionuclides, trace elements, and radium residence in phosphogypsum of Jordan Environ. Geochem. Health 33 2011 149 165
254. S. Zielinski, A. Szczepanik, M. Buca, and M. Kunecki Recovery of lanthanides from kola apatite in phosphoric-acid manufacture J. Chem. Technol. Biotechnol. 56 1993 355 360
255. ZWIA Zero Waste Definition Adopted by Zero Waste Planning Group (Online) 2004