mine drainage
Potential application of sludge produced from coal mine drainage treatment for removing Zn(II) in an aqueous phase
... been studied at various pH levels (Nita et al. 2007). In this study, the objective is to study the possibility of sludge produced from a full-scale electrolysis process for treating coal mine drainage as a ...
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Bentonite and Bentonite Fe3O4 composites as adsorbent for treatment acid mine drainage synthetic
... drainage. The adsorption efficiency for all adsorbent increases in the order Mn 2+ < Zn 2+ < Cu 2+ < Fe 2+ . The same result in the adsorption process using bentonite blended limestone while adsorption ...
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A continuous pilot scale system using coal mine drainage sludge to treat acid mine drainage contaminated with high concentrations of Pb, Zn, and other heavy metals
... Acid mine drainage (AMD), a highly acidic aqueous solution, is formed through the chemical reaction of surface and shallow subsurface water with rocks containing sulfur-bearing minerals to give sulfuric ...
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Characterization of Coal Spoil Recovered from Coal Mine Drainage Water
... Coal Mine situated in the district ...mining, mine waste is also generated called coal ...coal mine drainage water were investi- gated to determine the quality of the samples by ...
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A Study of Environmental Assessment of Acid Mine Drainage in Ngwenya, Swaziland
... Ore Mine Quarry Dam was used as the study site to establish whether or not AMD was pro- duced in the old mine since it is located in one of the mine ...acid mine drainage phenomenon ...
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Removal of Sulphates from Acid Mine Drainage using TDTMA Modified Bentonite
... Abstract— Mozambican bentonite (MB) was modified using trimethyldecylammonium bromide (TDTMA) to enhance the removal capacity of sulphates from acid mine drainage (AMD). Through the modification process the ...
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The Application of a Natural Zeolite for Acid Mine Drainage Purification
... A natural zeolite from Serbia was employed for the removal of heavy metals from acid mine drainage (AMD) generated in the area of copper mine. The ef fi ciency of the natural zeolite samples was ...
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Ladle Slag of Electric Steelmaking as Alkaline Agent on Controlling of Acid Mine Drainage Generation
... Commercial coal production in the southern region of Brazil (comprising the Paraná, Santa Catarina, and Rio Grande do Sul states) has been occurring since the beginning of the twentieth century. Regarding the Santa ...
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Assessment of passive treatment and biogeochemical reactors for ameliorating acid mine drainage at Stockton coal mine
... Cu mine tailing ...treating mine waters evolved from observations that water quality of coal mine drainage improved once passing through Sphagnum bogs (Huntsman et ...
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Environmental Assessment of Acid Mine Drainage Pollution on Surface Water Bodies around Ngwenya Mine, Swaziland
... acid mine drainage from the Ngwenya Mine ore and dumping sites deteriorates the quality of water in their vicinity ...Ngwenya Mine that can be potentially affected by the AMD stands at 11147 ...
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Construction of Dry Cover System for Prevention of Acid Mine Drainage at Mine Waste Dump in Open Cast Coal Mines, Indonesia
... Acid Mine Drainage (AMD) which occurs when sulfide minerals are exposed to water and oxygen with an excavation is one of the serious environmental problems in the ...coal mine in Indonesia with the ...
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Fundamental Study on the Removal of Mn2+ in Acid Mine Drainage using Sulfate Reducing Bacteria
... Abandoned Mn mines in Hokkaido, Japan, leak acid mine drainage (AMD) containing 100 to 200 gm 3 of Mn 2þ . 1) The removal of Mn 2þ has been achieved by a conventional method precipitating Mn 2þ at around pH ...
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Chemical characteristics of coal mine drainage and its impact on the environment in Shandong province, China
... Shandong province is located in the East China, faces the Bohai sea and the Yellow sea on the east, with total area of 1.57×10 5 km 2 and it is one of the 14 large coal-producing regions that had been assigned as focus ...
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Pilot scale tests to optimize the treatment of net alkaline mine drainage
... acid drainage discharges into water streams, and are continuously contaminating surface and ...of mine drainage is being discharged from these mines into water streams (CIPB 1995; Jung ...Acid ...
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Field Study on Heavy Metal Accumulation in a Natural Wetland Receiving Acid Mine Drainage
... The mechanism of surface water remediation in a natural wetland that is receiving heavy metal-rich acidic mine drainage was investigated. Selective sequential extraction was useful to derive the mechanisms ...
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Phosphate stabilisation of partly oxidised, polyminerallic mine wastes
... Morin, K. A., and Hutt, N. M., 1994, Observed preferential depletion of neutralisation potential over sulfide minerals in kinetic tests: site-specific criteria for safe NP/AP ratios, Proceedings of the International Land ...
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Fuzzy controlled mine drainage system based on embedded system
... coal mine water control system are non- linear, complex and difficult to establish the mathematical model this article applies the fuzzy control theory into the system and successful solves the problem which the ...
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Phosphate stabilisation of partly oxidised, polyminerallic mine wastes
... The ochreous precipitates occur as yellow-brown (Munsell colour value 7.5YR 5/8), honeycombed encrustations (i.e. schwertmannite and amorphous Fe- oxyhydroxides) (representative XRD trace in Appendix A6), dark red-brown ...
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Abstract — Issues of acid mine drainage (AMD) from mining
... of mine water is also of concern to the environment as the water, in accordance with well-known and researched chemical and geochemical reactions between the mine rock strata, wastes and oxygen, readily ...
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Fly Ash for Removal of Contaminates from Coal Mine Drainage
... In this study, fly ash obtained from a coal burning power plant was used to remove iron from coal mine drainage as well as raising the pH to acceptable limits for natural water using column chromatography. ...
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