Records |
Author |
Watzlaf, G.R.; Schroeder, K.T.; Kairies, C.L. |
Title |
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Book Whole |
Year |
2000 |
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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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Tampa |
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Proceedings, 17th Annual National Meeting – American Society for Surface Mining and Reclamation |
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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. |
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no |
Call Number |
CBU @ c.wolke @ 17440 |
Serial |
216 |
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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 |
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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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The influence of fly ash additions on acid mine drainage production from coarse coal refuse; GeoRef; English |
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no |
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CBU @ c.wolke @ 6351 |
Serial |
230 |
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Author |
Ordónez, A.; Loredo, J.; Pendás, F. |
Title |
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Book Whole |
Year |
1999 |
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Pages |
575-580 |
Keywords |
hydrogeology mining water acid mine drainage treatment SAPS successive alkalinity producing system ALD anoxic limestone drainage |
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Publisher |
International Mine Water Association |
Place of Publication |
Ii |
Editor |
Fernández Rubio, R. |
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Mine, Water & Environment |
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A Successive Alkalinity Producing System (SAPS) as operational Unit in a Hybrid Passive Treatment System for Acid Mine Drainage; 1; AMD ISI | Wolkersdorfer; FG 'de' 5 Abb., 4 Tab. |
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CBU @ c.wolke @ 9836 |
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277 |
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Author |
Jage, C.R.; Zipper, C.E. |
Title |
Acid-mine drainage treatment using successive alkalinity-producing systems |
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RPT |
Year |
2000 |
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acid mine drainage; alkalinity; Appalachians; carbonate rocks; decontamination; dissolved materials; dissolved oxygen; limestone; North America; oxygen; pH; pollution; reclamation; sedimentary rocks; United States; Virginia; waste management; water treatment 22, Environmental geology |
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Virginia Polytechnic Institute and State University, P.R.P.B.V.A.U.S. |
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Powell River Project research and education program reports |
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Acid-mine drainage treatment using successive alkalinity-producing systems; 2002-029549; GeoRef; English; References: 12; illus. incl. 2 tables U. S. Geological Survey, Library, Reston, VA, United States |
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no |
Call Number |
CBU @ c.wolke @ 5882 |
Serial |
343 |
Permanent link to this record |
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Author |
Gusek, J.J.; Wildeman, T.R. |
Title |
New developments in passive treatment of acid rock drainage Pollution prevention for process engineering |
Type |
Book Chapter |
Year |
1995 |
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Abbreviated Journal |
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Issue |
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Pages |
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Keywords |
acid mine drainage; aerobic environment; alkalinity; bioaccumulation; bioremediation; constructed wetlands; decontamination; disposal barriers; geomembranes; heavy metals; hydroxides; nutrients; oxides; pH; physical properties; pollution; reclamation; remediation; soils; tailings; techniques; toxic materials; vegetation; waste disposal; water quality; wetlands 22, Environmental geology |
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Engineering Foundation |
Place of Publication |
New York |
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Richardson, P.E.; Scheiner, B.J.; Lanzetta, F., Jr. |
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0939204533 |
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New developments in passive treatment of acid rock drainage Pollution prevention for process engineering; GeoRef; English; 2000-063657; Engineering Foundation conference on Technical solution for pollution prevention in the mining and mineral processing industries, Palm Coast, FL, United States, Jan. 22-27, 1995 References: 3; illus. incl. 1 table |
Approved |
no |
Call Number |
CBU @ c.wolke @ 6447 |
Serial |
363 |
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