| Records |
| Author |
Mohan, D.; Chander, S. |
| Title |
Removal and recovery of metal ions from acid mine drainage using lignite-A low cost sorbent |
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Journal Article |
| Year |
2006 |
Publication  |
J. Hazard. Mater. |
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137 |
Issue |
3 |
Pages |
1545-1553 |
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Geobase: Related Topics geobase: related topics (901) acid mine drainage adsorption ion iron sulfide lignite wastewater water treatment |
| Abstract |
Acid mine drainage (AMD), has long been a significant environmental problem resulting from the microbial oxidation of iron pyrite in presence of water and air, affording an acidic solution that contains toxic metal ions. The main objective of this study was to remove and recover metal ions from acid mine drainage (AMD) by using lignite, a low cost sorbent. Lignite has been characterized and used for the AMD treatment. Sorption of ferrous, ferric, manganese, zinc and calcium in multi-component aqueous systems was investigated. Studies were performed at different pH to find optimum pH. To simulate industrial conditions for acid mine wastewater treatment, all the studies were performed using single and multi-columns setup in down flow mode. The empty bed contact time (EBCT) model was used for minimizing the sorbent usage. Recovery of the metal ions as well as regeneration of sorbent was achieved successfully using 0.1 M nitric acid without dismantling the columns. < copyright > 2006 Elsevier B.V. All rights reserved. |
| Address |
D. Mohan, Department of Energy and Geo-Environmental Engineering, The Pennsylvania State University, University Park, PA 16802, United States dm_1967@hotmail.com |
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0304-3894 |
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Oct 11; Removal and recovery of metal ions from acid mine drainage using lignite-A low cost sorbent; 2919875; Netherlands 56; Geobase |
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CBU @ c.wolke @ 17634 |
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295 |
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Aytas, S.O.; Akyil, S.; Aslani, M.A.A.; Aytekin, U. |
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Removal of uranium from aqueous solutions by diatomite (Kieselguhr) |
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Journal Article |
| Year |
1999 |
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Journal of Radioanalytical and Nuclear Chemistry |
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240 |
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3 |
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973-976 |
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acid mine drainage; actinides; adsorption; aqueous solutions; clastic rocks; concentration; decontamination; diatomite; experimental studies; isotherms; laboratory studies; metals; pH; physicochemical properties; pollution; remediation; sedimentary rocks; solutes; sorption; techniques; uranium; uranyl ion; waste disposal; waste water 22, Environmental geology |
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0236-5731 |
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Removal of uranium from aqueous solutions by diatomite (Kieselguhr); 2000-058980; References: 18; illus. incl. 3 tables International (III); GeoRef; English |
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CBU @ c.wolke @ 5964 |
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471 |
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Boonstra, J.; van Lier, R.; Janssen, G.; Dijkman, H.; Buisman, C.J.N. |
| Title |
Biological treatment of acid mine drainage |
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Book Chapter |
| Year |
1999 |
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Process Metallurgy, vol.9, Part B |
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559-567 |
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acid mine drainage adsorption alkaline earth metals arsenic Bingham Canyon Mine bioremediation Budelco Zinc Refinery cadmium copper Cornwall England England Europe Great Britain heavy metals iron magnesium manganese metals Netherlands pH phase equilibria pollution remediation sulfate ion United Kingdom United States Utah Western Europe Wheal Jane Mine zinc 22, Environmental geology |
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Amils, R.; Ballester, A. |
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Biohydrometallurgy and the environment toward the mining of the 21st century; proceedings of the International biohydrometallurgy symposium IBS'99, Part B, Molecular biology, biosorption, bioremediation |
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0444501932 |
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Biological treatment of acid mine drainage; GeoRef; English; 2000-049809; International biohydrometallurgy symposium IBS'99, Madrid, Spain, June 20-23, 1999 References: 11; illus. incl. 5 tables |
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CBU @ c.wolke @ 16595 |
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442 |
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Eger, P. |
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Wetland Treatment for Trace-metal Removal from Mine Drainage – the Importance of Aerobic and Anaerobic Processes |
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Journal Article |
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1994 |
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Water Sci. Technol. |
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29 |
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4 |
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249-256 |
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copper cobalt nickel zinc ion exchange sulfate reduction adsorption acid mine drainage passive treatment |
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When designing wetland treatment systems for trace metal removal, both aerobic and anaerobic processes can be incorporated into the final design. Aerobic processes such as adsorption and ion exchange can successfully treat neutral drainage in overlandflow systems. Acid drainage can be treated in anaerobic systems as a result of sulfate reduction processes which neutralize pH and precipitate metals.Test work on both aerobic and anaerobic systems has been conducted in Minnesota. For the past three years, overland flow test systems have successfully removed copper, cobalt, nickel and zinc from neutral mine drainage. Nickel, which is the major contaminant, has been reduced around 90 percent from 2 mg/L to 0.2 mg/L. A sulfate reduction system has successfully treated acid mine drainage for two years, increasing pH from 5 to over 7 and reducing concentrations of all metals by over 90 percent.Important factors to consider when designing wetlands to remove trace metals include not only the type of wetlandrequired but also the size of the system and the residence time needed to achieve the water quality standards. |
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0273-1223 |
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Wetland Treatment for Trace-metal Removal from Mine Drainage – the Importance of Aerobic and Anaerobic Processes; Isi:A1994nv30000032; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17336 |
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394 |
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