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

Volumn 29, Issue 2, 2003, Pages 117-124

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

^a UNIVERSITY OF CAPE TOWN   (South Africa)

^b TECHNION ISRAEL INSTITUTE OF TECHNOLOGY   (Israel)

^c UNIVERSITY OF THE WITWATERSRAND   (South Africa)

Author keywords

Acid mine drainage; Calcium interference; Ferrite process; Magnetite seed

Indexed keywords

ADSORPTION; CHEMICAL REACTORS; IRON REMOVAL (WATER TREATMENT); MAGNETITE; OXIDATION; PH EFFECTS; POSITIVE IONS; PRECIPITATION (CHEMICAL);

OXIDATION REACTORS;

FERRITES;

ACID MINE DRAINAGE; IRON; LIQUID-SOLID SEPARATION; METAL;

EID: 0037504234     PISSN: 03784738     EISSN: None     Source Type: Journal    
DOI: 10.4314/wsa.v29i2.4845     Document Type: Article

References (16)

1. AUBE BC and ZINCK JM (1999) Proceedings for Sudbury '99, Mining and Environment II, Ontario, Canada, September. 261-270.
2. BLESA MA and MATIJEVIC E (1989) Phase transformations of iron oxides, oxo-hydroxydes, and hydrous oxides in aqueous media. Adv. in Colloid and Interface Sci. 29 173-221.
3. CORNELL RM and SCHWERTMANN U (1996) The Iron Oxides: Structure, Properties, Reactions, Occurrence and Uses. VCH, Weinheim, Germany.
4. 3 in aqueous medium. J. of Colloid and Interface Sci. 125 (2) 688-700.
5. KATSURA T, TAMAURA Y and TERADA H (1977) Treatment of the laboratory wastewaters by the magnetic separation process. Indust. Water 233 16-21.
6. LAHAV O, MORGAN BE, HEARNE G and LOEWENTHAL RE (2003) One-step ambient temperature ferrite process for treatment of acid mine drainage waters. J. of Environ. Eng. 119 (2) 155-161.
7. McKINNON W, CHOUNG JW, XU Z and FINCH JA (2000) Magnetic seed in ambient temperature ferrite process applied to acid mine drainage treatment. Environ. Sci. Technol. 34 2676-2581.
8. MORGAN BE, LOEWENTHAL RE and LAHAV O (2001) Fundamental study of a one-step ambient temperature ferrite process for treatment of acid mine drainage waters. Water SA 27 (2) 277-282.
9. PEREZ OP, UMETSU Y and SASAKI H (1998) Precipitation and densification of magnetic iron compounds from aqueous solutions at room temperature. Hydrometallurgy 50 223-242.
10. POLLARD RJ, CARDILE CM, LEWIS DG and BROWN LJ (1992) Characterization of iron oxyhydroxide polymorphs and ferrihydrate using low-temperature, applied-field, Mossbauer spectroscopy. Clay Miner. 27 (1) 57-71.
11. th edn.), APHA.
12. TAMAURA Y, TU PQ, ROJARAYANONT S and ABE H (1991a) Stabilization of hazardous materials into ferrites. Water Sci. Technol. 23 399-404.
13. TAMAURA Y, KATSURA T, ROJARAYANONT S and ABE H (1991b) Ferrite process: Heavy metal ion treatment system. Water Sci. Technol. 23 1893-1909.
14. VANDENBERGHE RE, DEGRAVE E, LANDUYT C and BOWEN LH (1990) Some aspects concerning the characterisation of iron oxides and hydroxides in soils and clays. Hyperfine Interactions 53 175-196.
15. WANG W, XU Z and FINCH J (1996) Fundamental study of an ambient temperature ferrite process in the treatment of acid mine drainage. Environ. Sci. Technol. 30 2604-2608.
16. ZINCK JM and GRIFFITH WF (2000) Proc. 5th Int. Conf. on Acid Rock Drainage, May 21-24, Denver, Colorado, Vol. 2 1027-1034. Society for Mining, Metallurgy and Exploration, Inc.