| Records |
| Author |
Benner, S.G. |
| Title |
Geochemistry of a permeable reactive barrier for metals and acid mine drainage |
Type |
Journal Article |
| Year |
1999 |
Publication |
Environmental Science & Technology |
Abbreviated Journal |
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| Volume |
33 |
Issue |
16 |
Pages |
2793-2799 |
| Keywords |
mine water treatment |
| Abstract |
A permeable reactive barrier, designed to remove metals and generate alkalinity by promoting sulfate reduction and metal sulfide precipitation, was installed in August 1995 into an aquifer containing effluent from mine tailings. Passage of groundwater through the barrier results in striking improvement in water quality. Dramatic changes in concentrations of SO4 (decrease of 2000-3000 mg/L), Fe (decrease of 270-1300 mg/L), trace metals (e.g., Ni decreases 30 mg/L), and alkalinity (increase of (800-2700 mg/L) are observed. Populations of sulfate reducing bacteria are 10 000 times greater, and bacterial activity, as measured by dehydrogenase activity, is 10 rimes higher within the barrier compared to the up-gradient aquifer. Dissolved sulfide concentrations increase by 0.2-120 mg/ L, and the isotope S-34 is enriched relative to S-32 in the dissolved phase SO42- within the barrier. Water chemistry, coupled with geochemical speciation modeling, indicates the pore water in the barrier becomes supersaturated with respect to amorphous Fe sulfide. Solid phase analysis of the reactive mixture indicates the accumulation of Fe monosulfide precipitates. Shifts in the saturation states of carbonate, sulfate, and sulfide minerals and most of the observed changes in water chemistry in the barrier and down-gradient aquifer can be attributed, either directly or indirectly, to bacterially mediated sulfate reduction. |
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Geochemistry of a permeable reactive barrier for metals and acid mine drainage; Wos:000082074500017; Times Cited: 57; ISI Web of Science |
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no |
| Call Number |
CBU @ c.wolke @ 17115 |
Serial |
132 |
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| Author |
Wiessner, A. |
| Title |
The treatment of a deposited lignite pyrolysis wastewater by adsorption using activated carbon and activated coke |
Type |
Journal Article |
| Year |
1998 |
Publication |
Colloids and Surfaces a-Physicochemical and Engineering Aspects |
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| Volume |
139 |
Issue |
1 |
Pages |
91-97 |
| Keywords |
mine water treatment |
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To study the functions of activated carbon and activated coke adsorption for the treatment of highly contaminated discolored industrial wastewater with a wide molecular size distribution of organic compounds, the deposited lignite pyrolysis wastewater from a filled open-cast coal mine was used for continuous and discontinuous experiments. |
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The treatment of a deposited lignite pyrolysis wastewater by adsorption using activated carbon and activated coke; Wos:000074411100012; Times Cited: 1; ISI Web of Science |
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CBU @ c.wolke @ 17147 |
Serial |
133 |
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| Author |
Bertrand, S. |
| Title |
Performance of a nanofiltration plant on hard and highly sulphated water during two years of operation |
Type |
Journal Article |
| Year |
1997 |
Publication |
Desalination |
Abbreviated Journal |
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| Volume |
113 |
Issue |
2-3 |
Pages |
277-281 |
| Keywords |
mine water treatment |
| Abstract |
A highly sulphated, hard water from a flooded iron mine was treated by nanofiltration for the production of drinking water (125 m(3)/h). This paper introduces the context and summarizes the configuration and operating conditions of the plant. The process performance in terms of product water quality and permeability during the first 2 years is presented and discussed. |
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Performance of a nanofiltration plant on hard and highly sulphated water during two years of operation; Wos:000071218200023; Times Cited: 5; ISI Web of Science |
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CBU @ c.wolke @ 17153 |
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134 |
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| Author |
Franchet, J. |
| Title |
An example of sulphate removal by nanofiltration – The treatment of iron ore mine water in Lorraine |
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Journal Article |
| Year |
1995 |
Publication |
Membranes in Drinking Water Production |
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27-31 |
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mine water treatment |
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An example of sulphate removal by nanofiltration – The treatment of iron ore mine water in Lorraine; Isip:A1995bh14e00006; Times Cited: 0; ISI Web of Science |
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| Call Number |
CBU @ c.wolke @ 8899 |
Serial |
136 |
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| Author |
Blowes, D.W. |
| Title |
Treatment of mine drainage water using in situ permeable reactive walls |
Type |
Journal Article |
| Year |
1995 |
Publication |
Sudbury '95 – Mining and the Environment, Conference Proceedings, Vols 1-3 |
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Pages |
979-987 |
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mine water treatment |
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Treatment of mine drainage water using in situ permeable reactive walls; Isip:A1995bg39j00098; Times Cited: 0; ISI Web of Science |
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no |
| Call Number |
CBU @ c.wolke @ 17191 |
Serial |
137 |
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