Advances in seeded ambient temperature ferrite formation for treatment of acid mine drainage

Environmental Science and Technology

Volumn 39, Issue 19, 2005, Pages 7678-7683

  Morgan, B E ^a,b   Lahav, O ^c   Loewenthal, R E ^b  

^a UNIVERSITY OF CAPE TOWN   (South Africa)

^b TECHNION ISRAEL INSTITUTE OF TECHNOLOGY   (Israel)

^c UNIVERSITY OF CAPE TOWN   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

CALCIUM COMPOUNDS; COBALT; CRYSTAL STRUCTURE; DISSOLUTION; DRAINAGE; HYDROXYLATION; LIMESTONE; MAGNETITE; MINES; PH EFFECTS;

ACID MINE DRAINAGE (AMD); COADDITION; FERROUS IRON;

FERRITES;

CALCIUM; CALCIUM CHLORIDE; CALCIUM OXIDE; COBALT; FERRIC ION; FERRIC OXIDE; FERRITE; FERROUS ION; FLUORINE; MAGNETITE; SODIUM HYDROXIDE; HEAVY METAL;

ACID MINE DRAINAGE; FERRITE; OXIDATION;

ACID MINE DRAINAGE; ALKALINIZATION; ARTICLE; CHEMICAL MODIFICATION; CRYSTAL STRUCTURE; CRYSTALLIZATION; DEHYDROXYLATION; DISSOLUTION; ENVIRONMENTAL TEMPERATURE; OXIDATION; PRECIPITATION; REACTION TIME; REACTOR; SEEDED AMBIENT TEMPERATURE; SIMULATION; WASTE WATER MANAGEMENT; CHEMISTRY; COMPARATIVE STUDY; METHODOLOGY; MINING; OXIDATION REDUCTION REACTION; PH; SOUTH AFRICA; TIME; WATER MANAGEMENT; WATER POLLUTANT; WATER POLLUTION; X RAY DIFFRACTION;

CALCIUM; COBALT; FERRIC COMPOUNDS; FERROSOFERRIC OXIDE; HYDROGEN-ION CONCENTRATION; METALS, HEAVY; MINING; OXIDATION-REDUCTION; SOUTH AFRICA; TIME FACTORS; WATER POLLUTANTS, CHEMICAL; WATER POLLUTION; WATER PURIFICATION; X-RAY DIFFRACTION;

EID: 26044480338     PISSN: 0013936X     EISSN: None     Source Type: Journal    
DOI: 10.1021/es050498a     Document Type: Article

References (22)

1. Lambert, D. C.; McDonough, M.; Dzombak, D. A. Longterm changes in quality of discharge water from abandoned underground coal mines in Uniontown Syncline, Fayette County, PA. Water Res. 2004, 30, 277-288.
2. Wittmann, G. T. W.; Förster, U. Heavy metal enrichment in mine drainage: II. The Witwatersrand goldfields. S. Afr. J. Sci. 1976, 72, 365-370.
3. McKinnon, W.; Choung, J. W.; Xu, Z.; Finch, J. A. Magnetic seed in ambient temperature ferrite process applied to acid mine drainage treatment. Environ. Sci. Technol. 2000, 34, 2676-2581.
4. Morgan, B. E.; Loewenthal, R. E.; Lahav, O. Fundamental study of a one-step ambient temperature ferrite process for treatment of acid mine drainage waters. Water SA 2001, 27 (2), 277-282.
5. Lahav, O.; Morgan, B. E.; Hearne, G.; Loewenthal, R. E. A one-step ambient temperature ferrite process for treatment of acid mine drainage waters. J. Environ. Eng. 2003, 129 (2), 155-161.
6. Aube, B.C.; Zinck, J. M. Comparison of AMD treatment processes and their impact on sludge characteristics. Mining and the Environment II, Sudbury '99, Sudbury, Ontario, Canada, Sept 12-16, 1999.
7. Cornell, R. M.; Schwertmann, U. The Iron oxides: Structure, Properties, Reactions, Occurrence and Uses; VCH: Weinheim, Germany, 1996.
8. Blesa, M. A.; Matijevic, E. Phase transformations of iron oxides, oxo-hydroxydes, and hydrous oxides in aqueous media. Adv. Colloid Interface Sci. 1989, 29, 173-221.
9. Perales Perez, O.; Umetsu, Y. ORP-monitored magnetite formation from aqueous solutions at low temperatures. Hydrometallurgy 2000, 55, 35-56.
10. Morgan, B. E.; Lahav, O.; Hearne, G. R.; Loewenthal, R. E. A seeded ambient temperature ferrite process for treatment of AMD waters: Magnetite formation in the presence and absence of calcium ions under steady-state operation. Water SA 2003, 29 (2), 117-124.
11. Perales Perez, O.; Umetsu, Y.; Sasaki, H. Precipitation and densification of magnetic iron compounds from aqueous solutions at room temperature. Hydrometallurgy 1998, 50, 223-242.
12. Wang, W.; Xu, Z.; Finch, J. A. Fundamental study of an ambient temperature ferrite process in the treatment of acid mine drainage. Environ. Sci. Technol. 1996, 30, 2604-2608.
13. Tamaura, Y.; Tu, P. Q.; Rojarayanont, S.; Abe, H. Stabilization of hazardous materials into ferrites. Water Sci. Technol. 1991, 23, 399-404.
14. Tamaura, Y.; Katsura, T.; Rojarayanont, S.; Yosida, T.; Abe, H. Ferrite process; Heavy metal ions treatment system. Water Sci. Technol. 1991, 23, 1893-1900.
15. Data supplied by Randfontein Estate Mine. Private communication, 2000.
16. Perales Perez, O. University of Puerto Rico, Mayaguez, PR. Private communication.
17. Perales Perez, O.; Tohji, K.; Umetsu, Y. Theory and practice of the removal of heavy metal ions by their precipitation as ferrite-type compounds from aqueous solution at ambient temperature. Metall. Rev. SA 2001, 17 (2), 137-180.
18. Philips X'pert Data Analyzer; Koninklijke Philips Electronics NV: The Netherlands.
19. XRD reference no. 22-1086. Natl. Bur. Stand., Monogr. (U. S.) 1971, 25, 9, 22.
20. Guilinger, J. World Industrial Minerals. Private communication, 2004.
21. Choung, J. W.; Xu, Z.; Finch, J. A. Advances in the ambient temperature ferrite process applied to acid mine drainage treatment. Environ. Technol. 1999 21, 201-207.
22. American Public Health Association. Standard Methods for the Examination of Water and Wastewater, 20th ed.; APHA: Washington, DC, 1998.