Removal of some environmentally relevant heavy metals using low-cost natural sorbents

Environmental Engineering and Management Journal

Volumn 8, Issue 2, 2009, Pages 353-372

  Hlihor, Raluca Maria ^a   Gavrilescu, Maria ^a  

^a GHEORGHE ASACHI TECHNICAL UNIVERSITY OF IASI   (Romania)

Author keywords

Agricultural waste; Biosorption; Heavy metal; Low cost adsorbents; Natural material

Indexed keywords

EID: 65749087242     PISSN: 15829596     EISSN: None     Source Type: Journal    
DOI: 10.30638/eemj.2009.051     Document Type: Article

References (153)

1. Abdel-Ghani N. T., Hefhy M., El-Chaghaby G. A. F., (2007), Removal of lead from aqueous solution using low cost abundantly available adsorbents, International Journal of Environment Science and Technology, 4, 67-73.
2. Abdel-Ghani N. T., El-Nashar R.M., El-Chaghaby A., (2008), Removal of Cr (III) and Pb (II) from solution by adsorption onto Casuarina glauca tree leaves, Electronic Journal of Environmental, Agricultural and Food Chemistry, 7, 3126-3133.
3. Abia A.A., Asuquo E.D., (2006), Lead (II) and nickel (II) adsorption kinetics from aqueous solutions using chemically modified and unmodified agricultural adsorbents, African Journal of Biotechnology, 5, 1475-1482.
4. 3+ Sorption from Aqueous Solutions Using Mercaptoacetic Acid Modified and Unmodified Oil Palm Fruit Fibre (Elaeis guineensis) Adsorbents, Tsinghua Science and Technology, 12, 485-492.
5. Abollino O., Giacomino A., Malandrino M., Mentasti E., (2008), Interaction of metal ions with montmorillonite and vermiculite, Applied Clay Science, 38, 227-236.
6. Adebowale K.O., Unuabonah I.E., B.I. Olu-Owolabi, (2006), The effect of some operating variables on the adsorption of lead and cadmium ions on kaolinite clay, Journal of Hazardous Materials, B134, 130-139.
7. Adesola Babarinde N. A., Oyebamiji.Babalola J., Adebowale Sanni R., (2006), Biosorption of lead ions from aqueous solution by maize leaf, International Journal of Physical Sciences, 1, 023-026.
8. Adesola Babarinde N. A., Oyebamiji.Babalola J., Adebowale Sanni R., (2007), Isotherm and thermodynamic studies of the biosorption of Cd(II) from solution by maize leaf, International Journal of Physical Sciences, 2, 207-211.
9. Adesola Babarinde N. A., Oyebamiji.Babalola J., Adebowale Sanni R., (2008), Thermodynamic and isothermal studies of the biosorption of cadmium (II) from solution by maize wrapper, International Journal of Physical Sciences, 3, 071-074.
10. Ahluwalia S.S., Goyal D., (2005), Removal of heavy metals by waste tea leaves from aqueous solution, Engineering in Life Science, 5, 158-162.
11. Al-Anber Z.A., Matouq M.A.D., (2008), Batch adsorption of cadmium ions from aqueous solution by means of olive cake, Journal of Hazardous Materials, 151, 194-201.
12. Al-Degs Y.S., El-Barghouthi M.I., Issa A.A., Khraisheh M.A., Walker G.M., (2006), Sorption of Zn(II), Pb(II), and Co(II) using natural sorbents: Equilibrium and kinetic studies, Water Research, 40, 2645-2658.
13. Alvarez-Ayuso E., Garcia-Sanchez A., (2007), Removal of cadmium from aqueous solutions by palygorskite, Journal of Hazardous Materials, 147, 594-600.
14. Amarasinghe B.M.W.P.K., Williams R.A., (2007), Tea waste as a low cost adsorbent for the removal of Cu and Pb from wastewater, Chemical Engineering Journal, 132, 299-309.
15. Argun M.E., Dursun S., (2008), A new approach to modification of natural adsorbent for heavy metal adsorption, Bioresource Technology, 99, 2516-2527.
16. Arslan G., Pehlivan E., (2007), Batch removal of chromium(VI) from aqueous solution by Turkish brown coals, Bioresource Technology, 98, 2836-2845.
17. Ayala J., Vega U., Alvarez R., Loredo J., (2008), Retention of heavy metal ions in bentonites from Grau Region (Northern Peru), Environmental Geology, 53, 1323-1330.
18. Babu B.V., Gupta S., (2008), Adsorption of Cr(VI) using activated neem leaves: kinetic studies, Adsorption, 14, 85-92.
19. Bailey S.E., Olin T.J., Bricka R.M., Adrian D.D., (1999), A review of potentially low-cost sorbents for heavy metals, Water Research, 33, 2469-2479.
20. Balan C., Bîlbǎ D., Macoveanu M., (2008), Removal of Cadmium (II) from aqueous solutions by Sphagnum moss peat: equilibrium study, Environmental Engineering and Management Journal, 7, 17-23.
21. Bansal M., Garg U., Singh D., Garg V.K., (2009), Removal of Cr(VI) from aqueous solutions using pre-consumer processing agricultural waste: A case study of rice husk, Journal of Hazardous Materials, 162, 312-320.
22. Barkat M., Nibou D., Chegrouche S., Mellah A., (2009) Kinetics and thermodynamics studies of chromium(VI) ions adsorption onto activated carbon from aqueous solutions, Chemical Engineering and Processing, 48, 38-47.
23. Basha S., Murthy Z.V.P., Jha B., (2009), Sorption of Hg(II) onto Carica papaya: Experimental studies and design of batch sorber, Chemical Engineering Journal, 147, 226-234.
24. Batista A.P.S., Romão L.P.C., Arguelho M.L.P.M., Garcia C.A.B., Alves J.P.H., Passos E.A., Rosa A.H., (2008), Biosorption of Cr(III) using in natura and chemically treated tropical peats, Journal of Hazardous Materials, doi: 10.1016/j.jhazmat.2008.06.129.
25. Baysal Z., Cinar E., Bulut Y., Alkan H., Dogru M., (2009), Equilibrium and thermodynamic studies on biosorption of Pb(II) onto Candida albicans biomass, Journal of Hazardous Materials, 161, 62-67.
26. Bhattacharya A.K., Mandal S.N., Das S.K., (2006), Adsorption of Zn(II) from aqueous solution by using different adsorbents, Chemical Engineering Journal, 123, 43-51.
27. Bhattacharyya K.G., Gupta S.S., (2006), Kaolinite, montmorillonite, and their modified derivatives as adsorbents for removal of Cu(II) from aqueous solution, Separation and Purification Technology, 50, 388-397.
28. Bhattacharyya K.G., Gupta S.S., (2008), Influence of acid activation on adsorption of Ni(II) and Cu(II) on kaolinite and montmorillonite: Kinetic and thermodynamic study, Chemical Engineering Journal, 136, 1-13.
29. Benhima H., Chiban M., Sinan F., Seta P., Persin M., (2008), Removal of lead and cadmium ions from aqueous solution by adsorption onto micro-particles of dry plants, Colloids and Surfaces B: Biointerfaces, 61, 10-16.
30. Brinza L., Dring M.J., Gavrilescu M., (2007), Marine micro and macro algal species as biosorbents for heavy metals treatment - review, Environmental Engineering and Management Journal, 6, 237-251
31. Brinza L., Dring M.J., Gavrilescu M., (2005), Biosorption of Cu (2+) ions from aqueous solution by- Enteromorpha sp, Environmental Engineering and Management Journal, 4, 41-51.
32. Brinza L., Nygård C.A., Dring M.J., Gavrilescu M., Benning L.G., (2009), Cadmium tolerance and adsorption by the marine brown alga Fucus vesiculosus from the Irish Sea and the Bothnian Sea Bioresource Technology, 100, 1727-1733.
33. Bulut Y., Tez Z., (2007), Adsorption studies on ground shells of hazelnut and almond, Journal of Hazardous Materials, 149, 35-41.
34. Bulgariu L., Cojocaru C., Robu B., Macoveanu M., (2007), Equilibrium isotherms studies for sorption of lead ions from aqueous solutions using romanian peat sorbent, Environmental Engineering and Management Journal, 6, 425-430.
35. Cabrera C., Gabaldón C., Marzal P., (2005), Sorption characteristics of heavy metal ions by a natural zeolite, Journal of Chemical Technology & Biotechnology, 80, 477-481.
36. 2+ from aqueous solution by brewery's waste biomass, Journal of Hazardous Materials, 151, 65-70.
37. Conrad K., Hansen H.C.B., (2007), Sorption of zinc and lead on coir, Bioresource Technology, 98, 89-97.
38. Chiban M., Soudani A., Eddaoudi H., Sinan F., Persin M., (2008), Wastewater treatment by adsorption onto Carpobrotus edulis used as natural adsorbent, 13th IWRA World Water Congress, 1-4 september, Montpellier, France.
39. Dang V.B.H., Doan H.D., Dang-Vu T., Lohi A., (2009), Equilibrium and kinetics of biosorption of cadmium(II) and copper(II) ions by wheat straw, Bioresource Technology, 100, 211-219.
40. Davydova S., (2005), Heavy metals as toxicants in big cities, Microchemical Journal, 79, 133-136.
41. Demirbas E., Kobya M., Senturk E., Okzan T., (2004), Adsorption kinetics for the removal of chromium (VI) from aqueous solutions on the activated carbons prepared from agricultural wastes, Water SA, 30, 533-539.
42. Demirbas O., Karadag A., Alkan M., Dogan M., (2008), Removal of copper ions from aqueous solutions by hazelnut shell, Journal of Hazardous Materials, 153, 677-684.
43. Demirbas A., (2008), Heavy metal adsorption onto agro-based waste materials: A review, Journal of Hazardous Materials, 157, 220-229.
44. Devaprasath P.M., Solomon J.S, Thomas B.V., Removal of Cr (VI) from aqueous solution using natural plant material, Journal of Applied Sciences in Environmental Sanitation, 2, 77-83.
45. Doyurum S., Çelik A., (2006), Pb(II) and Cd(II) removal from aqueous solutions by olive cake, Journal of Hazardous Materials, 138, 22-28.
46. Dundar M., Nuhoglu C., Nuhoglu Y., (2008), Biosorption of Cu(II) ions onto the litter of natural trembling poplar forest, Journal of Hazardous Materials, 151, 86-95.
47. Duygu Ozsoy H., Kumbur H., (2006), Adsorption of Cu(II) ions on cotton boll, J. Hazard. Mat., B136, 911-916.
48. El-Ashtoukhy E.-S.Z., Amin N.K., Abdelwahab O., (2008), Removal of lead (II) and copper (II) from aqueous solution using pomegranate peel as a new adsorbent, Desalination, 223, 162-173.
49. 2+ in aqueous dispersions, Applied Clay Science, 35, 47-58.
50. El-Shafey E.I., (2007), Sorption of Cd(II) and Se(IV) from aqueous solution, using modified rice husk, Journal of Hazardous Materials, 147, 546-555.
51. Elouear Z., Bouzid J., Boujelben N, Feki M., Montiel A., (2008), The use of exhausted olive cake ash (EOCA) as a low cost adsorbent for the removal of toxic metal ions from aqueous solutions, Fuel, 87, 2582-2589.
52. El-Sikaily A., El Nemr A., Khaled A., O. Abdelwehab, (2007), Removal of toxic chromium from wastewater using green alga Ulva lactuca and its activated carbon, Journal of Hazardous Materials, 148, 216-228.
53. Erdem E., Karapinar N., Donat R., (2004), The removal of heavy metal cations by natural zeolites, Journal of Colloid and Interface Science, 280, 309-314.
54. Etutu Ngoh F., (2006), Heavy Metals Adsorption by Fiber Ash, Masters Thesis in the 'Applied Environmental Measurement Techniques'
55. Farinella N.V., Matos G.D., Lehmann E.L., Arruda M.A.Z., (2008), Grape bagasse as an alternative natural adsorbent of cadmium and lead for effluent treatment, Journal of Hazardous Materials, 154, 1007-1012.
56. Ferraz A.I., Tavares M.T., Teixeira J.A., (2005), Sorption of Cr(III) from aqueous solutions by spent brewery grain, International Chemical Engineering Conference: Chempor, 9, Coimbra.
57. Fiol N., Villaescusa I., Martinez M., Miralles N., Poch J., Serarols J., (2003), Biosorption of Cr(VI) using low cost sorbents, Environmental Chemistry Letters, 1, 135-139.
58. Fiol N., Villaescusa I., Martinez M., Miralles N., Poch J., Serarols J., (2006), Sorption of Pb(II), Ni(II), Cu(II) and Cd(II) from aqueous solution by olive stone waste, Separation and Purification Technology, 50, 132-140.
59. Fonseca M.G., Oliveira M.M., Arakaki L.N.H., (2006), Removal of cadmium, zinc, manganese and chromium cations from aqueous solution by a clay mineral, Journal of Hazardous Materials, B137, 288-292.
60. Gadd G.M., (2009), Biosorption: critical review of scientific rationale, environmental importance and significance for pollution treatment, Journal of Chemical Technology & Biotechnology, 84, 13-28.
61. Gavrilescu M., (2004), Removal of heavy metals from the environment by biosorption, Eng. Life Sci., 4, 219-232.
62. Gavrilescu M., Pavel L.V., Cretescu I., (2009), Characterization and remediation of soils contaminated with uranium, Journal of Hazardous Materials, 163, 475-510.
63. Ghebremichael K.A., (2004), Moringa seed and pumice as alternative natural materials for drinking water treatment, PhD Thesis, KTH - Royal Institute of Technology, Stockholm, Sweden.
64. Gedik K., Imamoglu I., (2008), Removal of cadmium from aqueous solutions using clinoptilolite: Influence of pretreatment and regeneration, Journal of Hazardous Materials, 155, 385-392.
65. Ghodbane I., Nouri L., Hamdaoui O., Chiha M., (2008), Kinetic and equilibrium study for the sorption of cadmium(II) ions from aqueous phase by eucalyptus bark, Journal of Hazardous Materials, 152, 148-158.
66. Gupta S.S., Bhattacharyya K.G., (2008), Immobilization of Pb(II), Cd(II) and Ni(II) ions on kaolinite and montmorillonite surfaces from aqueous medium, Journal of Environmental Management, 87, 46-58.
67. Gupta S., Kumar D., Gaur J.P., (2008), Kinetic and isotherm modeling of lead(II) sorption onto some waste plant materials, Chemical Engineering Journal, doi:10.1016/j.cej.2008.08.019.
68. Han R., Zou W., Li H., Li Y., Shi J., (2006), Copper(II) and lead(II) removal from aqueous solution in fixed-bed columns by manganese oxide coated zeolite, Journal of Hazardous Materials, B137, 934-942.
69. Hasan S.H., Singh K.K., Prakash O., Talat M., Ho Y.S., (2008), Removal of Cr(VI) from aqueous solutions using agricultural waste 'maize bran', Journal of Hazardous Materials, 152, 356-365.
70. Ho Y.S, Huang C.T., Huang H.W., (2002), Equilibrium sorption isotherm for metal ions on tree fern, Process Biochemistry, 37, 1421-1430.
71. Ho Y.S., Chiu W.T., Hsu C.S., Huang C. T., (2004), Sorption of lead ions from aqueous solution using tree fern as a sorbent, Hydrometallurgy, 73, 55-61.
72. Ho Y.S., McKay G., (2004), Sorption of copper(II) from aqueous solution by peat, Water, Air, and Soil Pollution, 158, 77-97.
73. Ho Y.S., Ofomaja A.E., (2006), Pseudo-second-order model for lead ion sorption from aqueous solutions onto palm kernel fiber, Journal of Hazardous Materials, B129, 137-142.
74. + in aqueous solutions by fluted pumpkin (Telfairia Occidentalis HOOK f) waste biomass, Acta Chimica Slovenica, 52, 174-181.
75. Igwe J.C., Abia A.A., (2007), Adsorption kinetics and intraparticulate diffusivities for bioremediation of Co(II), Fe(II) and Cu(II) ions from waste water using modified and unmodified maize cob, International Journal of Physical Sciences, 2, 119-127.
76. Isa M.H., Ibrahim N., Aziz H.A., Adlan M.N., Sabiani N.H.M., Zinatizadeh A.A.L., Kutty S.R.M., (2008), Removal of chromium (VI) from aqueous solution using treated oil palm fibre, Journal of Hazardous Materials, 152, 662-668.
77. Jain M., Garg V.K., Kadirvelu K., (2009), Chromium(VI) removal from aqueous system using Helianthus annuus (sunflower) stem waste, Journal of Hazardous Materials, 162, 365-372.
78. Kalmykova Y., Strömvall A.-M., Steenari B.-M., (2008), Adsorption of Cd, Cu, Ni, Pb and Zn on Sphagnum peat from solutions with low metal concentrations, Journal of Hazardous Materials, 152, 885-891.
79. Katircioglu H., Aslim B., Turker A.R., Atici T., Beyath Y., (2008), Removal of cadmium(II) ion from aqueous system by dry biomass, immobilized live and heat-inactivated Oscillatoria sp. H1 isolated from freshwater (Mogan Lake), Bioresource Technology, 99, 4185-4191.
80. Kazemipour M., Ansari M., Tajrobehkar S., Majdzadeh M., Kermani H.R., (2008), Removal of lead, cadmium, zinc, and copper from industrial wastewater by carbon developed from walnut, hazelnut, almond, pistachio shell, and apricot stone, Journal of Hazardous Materials, 150, 322-327.
81. Kicsi A., Bîlbǎ D., Macoveanu M., (2006), Batch cooper (II) removal from aqueous solution by sphagnum moss peat, Environmental Engineering and Management Journal, 5, 19-28.
82. Kocaoba S., Orhan Y., Akyijz T., (2007), Kinetics and equilibrium studies of heavy metal ions removal by use of natural zeolite, Desalination, 214, 1-10.
83. Kula I., Ugurlu M., Karaoglu H., Celik A., (2008), Adsorption of Cd(II) ions from aqueous solutions using activated carbon prepared from olive stone by ZnCl2 activation, Bioresource Technology, 99, 492-501.
84. Kumar U., (2006), The use of agricultural products and by-products has been widely investigated as a replacement for current costly methods of removing heavy metals from water and wastewater, Scientific Research and Essay, 1, 33-37.
85. Kurniawan T.A., Chan G.Y.S., Lo W., Babel S., (2006), Comparisons of low-cost adsorbents for treating wastewaters laden with heavy metals, Science of the Total Environment, 366, 409-426.
86. Lee C.-F., Chen B.-H., Huang Y.-L., (2008), Determining Cr(III) and Cr(VI) in urine using a flow injection online sorption separation system coupled with electrothermal atomic absorption spectrometry and a UV/ nano-Au/TiO2 photocatalysis reduction device, Talanta, 77, 546-550.
87. Lesmana S.O., Febriana N., Soetaredjo F.E., Sunarso J., Ismadji S., (2009), Studies on potential applications of biomass for the separation of heavy metals from water and wastewater, Biochemical Engineering Journal, 44, 19-41.
88. Levankumar L., Muthukumaran V., Gobinath M.B., (2009), Batch adsorption and kinetics of chromium (VI) removal from aqueous solutions by Ocimum americanum L. seed pods, Journal of Hazardous Materials, 161, 709-713.
89. Li X., Tang Y., Cao X., Lu D., Luo F., Shao W., (2008), Preparation and evaluation of orange peel cellulose adsorbents for effective removal of cadmium, zinc, cobalt and nickel, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 317, 512-521.
90. Liu Y., Chang X., Guo Y., Meng S., (2006), Biosorption and preconcentration of lead and cadmium on waste Chinese herb Pang Da Hai, Journal of Hazardous Materials, B135, 389-394.
91. Luo F., Shao W., (2008), Preparation and evaluation of orange peel cellulose adsorbents for effective removal of cadmium, zinc, cobalt and nickel, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 317, 512-521.
92. Malandrino M., Abollino O., Giacomino A., Aceto M., Mentasti E., (2006), Adsorption of heavy metals on vermiculite: Influence of pH and organic ligands, Journal of Colloid and Interface Science, 299, 537-546.
93. Malkoc E., Nuhoglu Y., (2006), Fixed bed studies for the sorption of chromium(VI) onto tea factory waste, Chemical Engineering Science, 61, 4363-4372.
94. Malkoc E., Nuhoglu Y., (2007), Determination of kinetic and equilibrium parameters of the batch adsorption of Cr(VI) onto waste acorn of Quercus ithaburensis, Chemical Engineering and Processing, 46, 1020-1029.
95. Meunier N., Blais J.-F., Tyagi R.D., (2002), Selection of a natural sorbent to remove toxic metals from acidic leachate produced during soil decontamination, Hydrometallurgy, 67, 19-30.
96. Mohan D., Pittman Jr. C.U., (2007), Arsenic removal from water/ wastewater using adsorbents - A critical review, Journal of Hazardous Materials, 142, 1-53.
97. Mohan D., Singh K.P., Singh V.K., (2006), Trivalent chromium removal from wastewater using low cost activated carbon derived from agricultural waste material and activated carbon fabric cloth, Journal of Hazardous Materials, B135, 280-295.
98. Nouri L., Ghodbane I., Hamdaoui O., Chiba M., (2007), Batch sorption dynamics and equilibrium for the removal of cadmium ions from aqueous phase using wheat bran, Journal of Hazardous Materials, 149, 115-125.
99. Nurchi V.M., Villaescusa I., (2008), Agricultural biomasses as sorbents of some trace metals, Coordination Chemistry Reviews, 252, 1178-1188.
100. Qi B.C., Aldrich C., (2008), Biosorption of heavy metals from aqueous solutions with tobacco dust, Bioresource Technology, 99, 5595-5601.
101. Ostroski I.C., Barros M.A.S.D., Silva E.A., Dantas J.H., Arroyo P.A., Lima O.C.M., (2009), A comparative study for the ion exchange of Fe(III) and Zn(II) on zeolite NaY, Journal of Hazardous Materials, 161, 1404-1412.
102. Paikaray S., Banerjee S., Mukherji S., (2005), Sorption of arsenic onto Vindhyan shales: Role of pyrite and organic carbon, Current Science, 88, 10.
103. Pandey P.K., Verma Y., Choubey S., Pandey M., Chandrasekhar K., (2008), Biosorptive removal of cadmium from contaminated groundwater and industrial effluents, Bioresource Technology, 99, 4420-4427.
104. Panuccio M.R., Crea F., Sorgona A., Cacco G., (2008), Adsorption of nutrients and cadmium by different minerals: Experimental studies and modeling, Journal of Environmental Management, 88, 890-898.
105. Panuccio M.R., Sorgona A., Rizzo M., Cacco G., (2009), Cadmium adsorption on vermiculite, zeolite and pumice: Batch experimental studies, Journal of Environmental Management, 90, 364-374.
106. Pehlivan E., Altun T., (2008), Biosorption of chromium(VI) ion from aqueous solutions using walnut, hazelnut and almond shell, Journal of Hazardous Materials, 155, 378-384.
107. 2+ ions, Journal of Hazardous Materials, doi:10.1016/j.jhazmat.2008.08.115.
108. Pehlivan E., Yanik B.H., Ahmetli G., Pehlivan M., (2008), Equilibrium isotherm studies for the uptake of cadmium and lead ions onto sugar beet pulp, Bioresource Technology, 99, 3520-3527.
109. Prasad M., Xu H.-Y., Saxena S., (2008), Multi-component sorption of Pb(II), Cu(II) and Zn(II) onto low-cost mineral adsorbent, Journal of Hazardous Materials, 154, 221-229.
110. Pintilie S., Branza L., Betianu C., Pavel L.V., Ungureanu F., Gavrilescu M., (2007), Modelling and simulation of heavy metals transport in water and sediments, Environmental Engineering and Management Journal, 6, 153-161.
111. Praus P., Turicova M., Valaskova M., (2008), Study of silver adsorption on montmorillonite, Journal of the Brazilian Chemical Society, 19, 549-556.
112. Rashed M.N., (2006), Fruit stones from industrial waste for the removal of lead ions from polluted water, Environmental Monitoring and Assessment, 119, 31-41.
113. Rao R.A.K., Khan M.A., (2009), Biosorption of bivalent metal ions from aqueous solution by an agricultural waste: Kinetics, thermodynamics and environmental effects, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 332, 121-128.
114. Riaza M., Nadeema R., Hanifa M.A., Ansaric T.M., Rehmana K., (2009), Pb(II) biosorption from hazardous aqueous streams using Gossypium hirsutum (Cotton) waste biomass, Journal of Hazardous Materials, 161, 88-94.
115. Rowell R.M., (2006), Removal of metal ions from contaminated water using agricultural residues, ECOWOOD 2006 - 2nd International Conference on Environmentally-Compatible Forest Products Fernando Pessoa University, Oporto, Portugal, 20-22 September 2006.
116. Rzepa G., Bajda T., Ratajczak T., (2009), Utilization of bog iron ores as sorbents of heavy metals, Journal of Hazardous Materials, 162, 1007-1013.
117. Saeed A., Waheed Akhter M., Iqbal M., (2005), Removal and recovery of heavy metals from aqueous solution using papaya wood as a new biosorbent, Separation and purification technology, 45, 25-31.
118. Sadrzadeh M., Mohammadi T., Ivakpour J., Kasir N., (2008), Separation of lead ions from wastewater using electrodialysis: Comparing mathematical and neural network modeling, Chemical Engineering Journal, 144, 431-441.
119. Salim R., Al-Subu M., Dawod E., (2008), Efficiency of removal of cadmium from aqueous solutions by plant leaves and the effects of interaction of combinations of leaves on their removal efficiency, Journal of Environmental Management, 87, 521-532.
120. Sari A., Tuzen M., Citak D., Soylak M., (2007a), Equilibrium, kinetic and thermodynamic studies of adsorption of Pb(II) from aqueous solution onto Turkish kaolinite clay, Journal of Hazardous Materials, 149, 283-291.
121. Sari A., Tuzen M., Citak D., Soylak M., (2007b), Adsorption characteristics of Cu(II) and Pb(II) onto expanded perlite from aqueous solution, Journal of Hazardous Materials, 148, 387-394.
122. Sari A., Tuzen M., (2008), Removal of Cr(VI) From Aqueous Solution by Turkish Vermiculite: Equilibrium, Thermodynamic and Kinetic Studies, Separation Science and Technology, 43, 3563-3581.
123. Schiewer S., Patil. S.B., (2008), Modeling the effect of pH on biosorption of heavy metals by citrus peels, Journal of Hazardous Materials, 157, 8-17.
124. 2+ by original and protonated citrus peels: Equilibrium, kinetics, and mechanism, Chemical Engineering Journal, 146, 211-219.
125. Schneider R.M., Cavalin C.F., Barros M.A.S.D., Tavares C.R.G., (2007), Adsorption of chromium ions in activated carbon, Chemical Engineering Journal, 132, 355-362.
126. Serencam H., Gundogdu A., Uygur Y., Kerner B., Bulut V.N., Duran C., Soylak M., Tufekci M., (2008), Removal of cadmium from aqueous solution by Nordmann fir (Abies nordmanniana (Stev.) Spach. Subsp. nordmanniana) leaves, Bioresource Technology, 99, 1992-2000.
127. Shin E.W., Karthikeyan K.G., Tshabalala M.A., (2007), Adsorption mechanism of cadmium on juniper bark and wood, Bioresource Technology, 98, 588-594
128. Singh S.P, Ma L.Q., Hendry M.J., (2006), Characterization of aqueous lead removal by phosphatic clay: Equilibrium and kinetic studies, Journal of Hazardous Materials, B136, 654-662.
129. 2+) adsorption on clinoptilolite, Journal of Colloid and Interface Science, 304, 21-28.
130. Sreejalekshmi K.G., Anoop Krishnan K., Anirudhan T.S., (2009), Adsorption of Pb(II) and Pb(II)-citric acid on sawdust activated carbon: Kinetic and equilibrium isotherm studies, Journal of Hazardous Materials, 161, 1506-1513.
131. Srivastava V.C., Mall I.D.,. Mishra I.M., (2009), Competitive adsorption of cadmium(II) and nickel(II) metal ions from aqueous solution onto rice husk ash, Chemical Engineering and Processing, 48, 370-379.
132. Stathi P., Litina K., Gournis D., Giannopoulos T.S., Deligiannakis Y., (2007), Physicochemical study of novel organoclays as heavy metal ion adsorbents for environmental remediation, Journal of Colloid and Interface Science, 316, 298-309.
133. Sud D., Mahajan G., Kaur M.P., (2008), Agricultural waste material as potential adsorbent for sequestering heavy metal ions from aqueous solutions - A review, Bioresource Technology, 99, 6017-6027.
134. Suleman Qaiser, Anwar R. Saleemi, Muhammad Mahmood Ahmad (2007), Heavy metal uptake by agro based waste materials, Electronic Journal of Biotechnology, doi: 10.2225/vol10-issue3-fulltext-12.
135. Suksabye P., Thiravetyan P., Nakbanpote W., (2008), Column study of chromium(VI) adsorption from electroplating industry by coconut coir pith, Journal of Hazardous Materials, 160, 56-62.
136. Tan G., Xiao D., (2008), Adsorption of cadmium ion from aqueous solution by ground wheat stems, Journal of Hazardous Materials, doi:10.1016/j.jhazmat.2008.09.082.
137. Tilman D., Cassman K.G., Matson P.A., Naylor R., Polasky S., (2002), Agricultural sustainability and intensive production practices, Nature, 418, 671-677.
138. Tunali S., Akar T., (2006), Zn(II) biosorption properties of Botrytis cinerea biomass, Journal of Hazardous Materials, 131, 137-145.
139. Tuzen M., Melek E., Soylak M., (2006), Celtek clay as sorbent for separation-preconcentration of metal ions from environmental samples, Journal of Hazardous Materials, B136, 597-603.
140. Ulmanu M., Marañón E., Fernández Y., Castrillón L., Anger I., Dumitriu D., (2003), Removal of copper and cadmium ions from diluted aqueous solutions by low cost and waste material adsorbents, Water, Air, Soil Pollution, 142, 357-373.
141. Unlu N., Ersoz M., (2006), Adsorption characteristics of heavy metal ions onto a low cost biopolymeric sorbent from aqueous solutions, Journal of Hazardous Materials, B136, 272-280.
142. Vaghetti J.C.P., Lima E.C., B. Royer, da Cunha B.M., Cardoso N.F., Brasil J. L., Dias S.L.P., (2009), Pecan nutshell as biosorbent to remove Cu(II), Mn(II) and Pb(II) from aqueous solutions, Journal of Hazardous Materials, 162, 270-280.
143. Volesky B., (2007), Biosorption and me, Water Research, 41, 4017-4029.
144. Vieira R.H.S.F., Volesky V., (2000), Biosorption: a solution to pollution?, Internatl. Microbiol., 3, 17-24.
145. Wan Ngah W.S., Hanafiah M.A.K.M., (2008), Removal of heavy metal ions from wastewater by chemically modified plant wastes as adsorbents: A review, Bioresource Technology, 99, 3935-3948.
146. Wang X.S., Li Z.Z, C. Sun, (2008), Removal of Cr(VI) from aqueous solutions by low-cost biosorbents: Marine macroalgae and agricultural by-products, Journal of Hazardous Materials, 153, 1176-1184.
147. Wang X.S., Li Z.Z., Tao S.R., (2009), Removal of chromium (VI) from aqueous solution using walnut hull, Journal of Environmental Management, 90, 721-729.
148. WHO, (2007), Health risks of heavy metals from long-range transboundary air pollution, WHO Regional Office for Europe, Copenhagen.
149. Xu D., Tan X.L., Chen C.L., Wang X.K., (2008), Adsorption of Pb(II) from aqueous solution to MX-80 bentonite: Effect of pH, ionic strength, foreign ions and temperature, Applied Clay Science, 41, 37-46.
150. 3+ on the new adsorbents: Pumice and polyacrylonitrile/pumice composite, Chemical Engineering Journal, 137, 453-461.
151. Yazici H., Kilic M., Solak M., (2008), Biosorption of copper(II) by Marrubium globosum subsp. Globosum leaves powder: Effect of chemical pretreatment, Journal of Hazardous Materials, 151, 669-675.
152. 2+ from aqueous solution with carbon modified aluminum-pillared montmorillonite, Catalysis Today, 139, 135-139.
153. Zubair A., Bhatti H.N., Hanif M.A., Shafqat F., (2008), Kinetic and Equilibrium Modeling for Cr(III) and Cr(VI) Removal from Aqueous Solutions by Citrus reticulate Waste Biomass, Water, Air, and Soil Pollution, 191, 305-318.