| Records |
| Author |
Rees, B.; Bowell, R.; Dey, M.; Williams, K. |
| Title |
Passive treatment; a walk away solution? |
Type |
Journal Article |
| Year |
2001 |
Publication |
Mining Environmental Management |
Abbreviated Journal |
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| Volume |
9 |
Issue |
2 |
Pages |
7-8 |
| Keywords |
acid mine drainage; acidification; alkalinity; bacteria; bioremediation; buffers; chemical reactions; cost; effluents; ferric iron; ferrous iron; filtration; ground water; hydrolysis; iron; metals; monitoring; oxidation; permeability; pH; pollution; remediation; substrates; sulfate ion; suspended materials; water management; water pollution; water quality; water treatment; wetlands 22, Environmental geology |
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Edition |
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| ISSN |
0969-4218 |
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| Notes |
Passive treatment; a walk away solution?; 2001-050826; References: 3; illus. United Kingdom (GBR); GeoRef; English |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 5722 |
Serial |
265 |
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| Author |
Skousen, J. |
| Title |
Overview of passive systems for treating acid mine drainage |
Type |
Journal Article |
| Year |
1997 |
Publication |
Green Lands |
Abbreviated Journal |
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| Volume |
27 |
Issue |
4 |
Pages |
34-43 |
| Keywords |
acid mine drainage; anoxic limestone drains; bioremediation; constructed wetlands; diversion wells; limestone ponds; mitigation; open limestone channels; passive systems; pollution; remediation; successive alkalinity producing systems; technology; wetlands 22, Environmental geology |
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Edition |
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| ISSN |
0271-0110 |
ISBN |
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| Notes |
Overview of passive systems for treating acid mine drainage; 2000-019214; References: 59; illus. United States (USA); GeoRef; English |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 6309 |
Serial |
247 |
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| Author |
Stewart, B.R. |
| Title |
The influence of fly ash additions on acid mine drainage production from coarse coal refuse |
Type |
Book Whole |
| Year |
1996 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
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| Keywords |
acid mine drainage; acidic composition; alkalic composition; alkalinity; ash; coal; controls; copper; diffusion; dissolved materials; experimental studies; geologic hazards; hydraulic conductivity; iron; leachate; leaching; manganese; metals; organic residues; oxidation; oxygen; pH; pollutants; pollution; sedimentary rocks; soil treatment; soils; sorption; sulfate ion; waste disposal; water quality 22, Environmental geology |
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Ph.D. thesis |
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Virginia Polytechnic Institute and State University, |
Place of Publication |
Blacksburg |
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| Notes |
The influence of fly ash additions on acid mine drainage production from coarse coal refuse; GeoRef; English |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 6351 |
Serial |
230 |
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| Author |
Taylor, J.; Waters, J. |
| Title |
Treating ARD; how, when, where and why |
Type |
Journal Article |
| Year |
2003 |
Publication |
Mining Environmental Management |
Abbreviated Journal |
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| Volume |
11 |
Issue |
3 |
Pages |
6-9 |
| Keywords |
acid mine drainage; acid rock drainage; acidification; alkalinity; carbonate rocks; chemical properties; chemical reactions; coal; disposal barriers; economics; flocculation; ground water; heavy metals; human activity; ion exchange; limestone; mines; oxidation; oxides; permeability; pollution; porosity; pyrolusite; remediation; sedimentary rocks; surface water; waste disposal; waste management; water pollution; water treatment; wetlands 22, Environmental geology |
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Edition |
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| ISSN |
0969-4218 |
ISBN |
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| Notes |
Treating ARD; how, when, where and why; 2004-045038; References: 8; illus. incl. 2 tables United Kingdom (GBR); GeoRef; English |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 5528 |
Serial |
225 |
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| Author |
Watzlaf, G.R.; Schroeder, K.T.; Kairies, C.L. |
| Title |
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Type |
Book Whole |
| Year |
2000 |
Publication |
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Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
262-274 |
| Keywords |
passive treatment anoxic limestone drains wetlands sulfate reduction successive alkalinity-producing systems acid mine drainage ALD SAPS RAPS |
| Abstract |
Ten passive treatment systems, located in Pennsylvania and Maryland, have been intensively monitored for up to ten years. Influent and effluent water quality data from ten anoxic limestone drains (ALDs) and six reducing and alkalinity-producing systems (RAPS) have been analyzed to determine long-term performance for each of these specific unit operations. ALDs and RAPS are used principally to generate alkalinity, ALDs are buried beds of limestone that add alkalinity through dissolution of calcite. RAPS add alkalinity through both limestone dissolution and bacterial sulfate reduction. ALDs that received mine water containing less than 1 mg/L of both ferric iron and aluminum have continued to produce consistent concentrations of alkalinity since their construction. However, an ALD that received 20 mg/L of aluminum experienced a rapid reduction in permeability and failed within five months. Maximum levels of alkalinity (between 150 and 300 m&) appear to be reached after I5 hours of retention. All but one RAPS in this study have been constructed and put into operation only within the past 2.5 to 5 years. One system has been in operation and monitored for more than nine years. AIkalinity due to sulfate reduction was highest during the first two summers of operation. Alkalinity due to a limestone dissolution has been consistent throughout the life of the system. For the six RAPS in this study, sulfate reduction contributed an average of 28% of the total alkalinity. Rate of total alkalinity generation range from 15.6 gd''rn-'to 62.4 gd-'mL2 and were dependent on influent water quality and contact time. |
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Place of Publication |
Tampa |
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Series Title |
Proceedings, 17th Annual National Meeting – American Society for Surface Mining and Reclamation |
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| Notes |
Long-Term Perpormance of Alkalinity-Producing Passive Systems for the Treatment of Mine Drainage; 2; VORHANDEN | AMD ISI | Wolkersdorfer; als Datei vorhanden 4 Abb., 5 Tab. |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 17440 |
Serial |
216 |
| Permanent link to this record |
