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Author |
Kuyucak, N. |
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Title |
Acid mine drainage; treatment options for mining effluents |
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Journal Article |
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Year |
2001 |
Publication |
Mining Environmental Management |
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Volume |
9 |
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2 |
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12-15 |
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acid mine drainage; alkalinity; cadmium; chemical reactions; copper; cyanides; decontamination; degradation; effluents; flotation; heavy metals; lead; lime; metals; mines; nickel; oxidation; pH; physicochemical properties; pollution; reagents; reduction; remediation; seepage; sludge; solid waste; solvents; stability; tailings; toxic materials; toxicity; waste disposal; water quality; zinc |
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0969-4218 |
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Acid mine drainage; treatment options for mining effluents; 2001-050827; References: 23; illus. United Kingdom (GBR); GeoRef; English |
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CBU @ c.wolke @ 5723 |
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324 |
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Author |
Jage, C.R.; Zipper, C.E. |
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Title |
Acid-mine drainage treatment using successive alkalinity-producing systems |
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RPT |
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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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CBU @ c.wolke @ 5882 |
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343 |
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Srivastave, A.; Chhonkar, P.K. |
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Title |
Amelioration of coal mine spoils through fly ash application as liming material |
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Journal Article |
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Year |
2000 |
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J. Ind. Res. |
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59 |
Issue |
4 |
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309-313 |
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Groundwater problems and environmental effects Pollution and waste management non radioactive geomechanics abstracts: excavations (77 10 10) geological abstracts: environmental geology (72 14 2) mitigation fly ash feasibility study acid mine drainage lime |
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Abstract |
The feasibility of fly ash as compared to lime to ameliorate the low pH of acidic coal mine spoils under controlled pot culture conditions are reported using Sudan grass (Sorghum studanens) and Oats (Avena sativa) as indicator crops. It is observed that at all levels of applications, fly ash and lime significantly increase the pH of mine spoils, available phosphorus, exchangeable potassium, available sulphur and also uptake of phosphorus, potassium, sulphur and oven-dried biomass of both these test crops. The fly ash significantly decreases the bulk density of coal mine spoils, but, there is no effect on bulk density due to lime application. However, when the spoils are amended with either fly ash or lime, the root growth occurs throughout the material. Fly ash and lime do not cause elemental toxicities to the plants as evidenced from the dry matter production by the test crops. The results indicate that fly ash to be a potential alternative to lime for treating acidic coal mine spoils. |
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P.K. Chhonkar, Div. of Soil Sci. and Agr. Chem., Indian Agricultural Research Inst., New Delhi 110 012, India |
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0022-4456 |
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Amelioration of coal mine spoils through fly ash application as liming material; 2364216; India 18; Geobase |
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Call Number |
CBU @ c.wolke @ 17535 |
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234 |
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Author |
Sato, D.; Tazaki, K. |
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Title |
Calcification treatment of mine drainage and depositional formula of heavy metals |
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Journal Article |
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Year |
2000 |
Publication |
Chikyu Kagaku = Earth Science |
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54 |
Issue |
5 |
Pages |
328-336 |
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Keywords |
acid mine drainage Asia calcification deposition ettringite Far East heavy metals Ishikawa Japan Japan lime Ogoya Mine pollution sulfates waste water water treatment 22, Environmental geology |
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Abstract |
Depositional formula of heavy metals after disposal of the mine drainage from the Ogoya Mine in Ishikawa Prefecture, Japan, was mineralogically investigated. Strong acidic wastewater (pH 3.5) from pithead of the mine contains high concentration of heavy metals. In this mine, neutralizing coagulation treatment is going on by slaked lime (calcium hydroxides: Ca(OH) (sub 2) ). Core samples were collected at disposal pond to which the treated wastewater flows. The core samples were divided into 44 layers based on the color variation. The mineralogical and chemical compositions of each layer were analyzed by an X-ray powder diffractometer (XRD), an energy dispersive X-ray fluorescence analyzer (ED-XRF) and a NCS elemental analyzer. The upper parts are rich in brown colored layers, whereas discolored are the deeper parts. The color variation is relevant to Fe concentration. Brown colored core sections are composed of abundant hydrous ferric oxides with heavy metals, such as Cu, Zn, and Cd. On the other hand, S concentration gradually increases with depth. XRD data indicated that calcite decreases with increasing depth, and ettringite is produced at the deeper parts. Cd concentration shows similar vertical profile to those of calcite and ettringite. The results revealed that hydrous ferric oxides, calcite and ettringite are formed on deposition, whereby incorporating the heavy metals. |
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0366-6611 |
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Calcification treatment of mine drainage and depositional formula of heavy metals; 2001-032610; References: 19; illus. incl. 1 table, sketch map Japan (JPN); GeoRef; Japanese |
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CBU @ c.wolke @ 16543 |
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252 |
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Author |
Swoboda-Colberg, N.; Colberg, P.; Smith, J.L. |
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Title |
Constructed vertical flow aerated wetlands |
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RPT |
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Year |
1994 |
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acid mine drainage; aeration; Butte Montana; carbonate rocks; case studies; clastic sediments; Clear Creek County Colorado; Colorado; construction; controls; fluid dynamics; gravel; heavy metals; Idaho Springs Colorado; limestone; Montana; pollution; rates; sedimentary rocks; sediments; Silver Bow County Montana; substrates; tailings; United States; waste water; water; water management; water quality; water treatment; wetlands 22, Environmental geology |
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In the report, wetland technology is described in which the main reactive layer is limestone gravel (rather than organic material) which is overlain by a fine gravel filter and soil. The three-year project included laboratory and field studies. Vertical aerated wetlands, simulated by columns, constructed in the field and in the laboratory, were operated during the project. The report presents a summary of results given in previous reports and summaries of results obtained using water from Butte, MT, and field studies at the Rockford Tunnel, near Idaho Springs, CO. |
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University of Wyoming, L.W.Y.U.S. performer |
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Constructed vertical flow aerated wetlands; 1998-003373; GeoRef; English; Final report. Grant DI-196561 National Technical Information Service, (703)605-6000, order number PB96-196811NEG, Springfield, VA, United States |
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CBU @ c.wolke @ 6506 |
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226 |
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