Removal of trace elements from acid mine drainage
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Environmental Protection Agency, Office of Research and Development, [Office of Energy, Minerals, and Industry], Industrial Environmental Research Laboratory, for sale by the National Technical Information Service , Cincinnati, Ohio, Springfield, Va
Acid mine drainage, Trace elements in
|Statement||by Roger C. Wilmoth ... [et al.], Industrial Environmental Research Laboratory|
|Series||Interagency energy-environment research and development program report ; EPA-600/7-79-101, Research reporting series -- EPA-600/7-79-101|
|Contributions||Wilmoth, Roger C|
|The Physical Object|
|Pagination||ix, 77 p. :|
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Removal of trace elements from acid mine drainage Article (PDF Available) in Mine Water and the Environment 4(1) March with Reads How we measure 'reads'. Get this from a library. Removal of trace elements from acid mine drainage.
[Roger C Wilmoth; United States. Environmental Protection Agency. Industrial Environmental Research Laboratory.]. The mine drainages in some coal mines of North Eastern India, are found to be highly acidic and contain trace elements which are highly undesirable for drinking purposes. This water requires neutralization together with trace metal removal prior to its supply to the public.
This paper describes the results of a study conducted to determine the ability of lime neutralization to remove inorganic Cited by: EPA/ April REMOVAL OF TRACE ELEMENTS FROM ACID MINE DRAINAGE by Roger C. Wilmoth and James L.
Kennedy Industrial Environmental Research Laboratory Cincinnati, Ohio and Jack R. Hall and Charles W. Stuewe Hydroscience, Inc. Knoxville, Tennessee Contract No. Project Officer Roger C. Wilmoth Resource Extraction and Handling Division Industrial. Acid Mine Drainage. Mine-acid drainage (MAD) is the run-off produced when water comes into contact with exposed rocks containing sulfur-bearing minerals that react with water and air to form sulfuric acid, dissolved Fe and Al, and other chemical elements (Blowes et al., ).
From: Coal and Peat Fires: A Global Perspective, Related terms. The remediation of acid mine drainage (AMD) in terms of effluents/dumps treatment can be highly complicated due to several factors to be considered such as, but not limited to, its composition.
The majority of economically mine deposits are associated with Cited by: 4. Acid rock drainage (ARD) and metal leaching affect the quality of water, soil, plant, and fish habitat in terms of trace elements, in both toxic or nontoxic, and Removal of trace elements from acid mine drainage book or nonavailable forms.
Trace element geochemistry should not be limited to acid rock generation sites but also be applied to any project that involves creating, removal Author: Bruce W. Downing, John Gravel. Acid mine drainage, acid and metalliferous drainage (AMD), or acid rock drainage (ARD) is the outflow of acidic water from metal mines or coal mines.
Acid rock drainage occurs naturally within some environments as part of the rock weathering process but is exacerbated by large-scale earth disturbances characteristic of mining and other large construction activities, usually within rocks.
Description Removal of trace elements from acid mine drainage FB2
MAJOR AND TRACE-ELEMENT ANALYSES OF ACID MINE WATERS IN THE LEVIATHAN MINE DRAINAGE BASIN, CALIFORNIA/NEVADA OCTOBER, TO OCTOBER, By James W. Ball and D. Kirk Nordstrom U.S. GEOLOGICAL SURVEY Water-Resources Investigations Report Prepared in cooperation with CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD Menlo Cited by: Acid mine drainage (AMD) occurs primarily when the mineral ore pyrite (FeS 2) is exposed to water and oxygen from air, producing soluble iron and sulfuric reason that pyrite is important in AMD generation is that it forms under a variety of conditions and is widespread in different rock types.
In sulfide mines, acid mine drainage (AMD) is a natural phenomenon in which sulfide minerals easily react with meteoric agents with generation of sulfuric acid, thus resulting in the acidification. A few researchers have also used steel slag materials for removal of metals from acid mine drainage.
Feng et al. investigated removal of Cu, Pb and Cr, and precious metals like Au, Ag, Pt, Pd, Rh and Ru present in acid mine drainage from an a South African gold mine, by iron slag and steel slag. The initial pH of the AMD wasbut it Cited by: Mn is a common component of acid mine drainage (AMD), and in AMD impacted streams on the West Coast of New Zealand, Mn concentrations range from – 13 mg/L, up to four orders of magnitude above background levels (Pope, ).
Treatment of mine water for Mn removal can be performed via active or passive treatment systems. ACID MINE DRAINAGE PREVENTION AND CONTROL OPTIONS Nural Kuyucak Golder Associates Ltd.
Courtwood Crescent Ottawa, Ontario, Canada K2C 2B5 Phone:+ 1Fax:+ 1 e-mail: [email protected] ABSTRACT Acid mine drainage (AMD) is one of most significant environmental challenges facing the mining industry worldwide.
This SpringerBrief focuses on Acid Mine Drainage (AMD) in the three basins in the Witwatersrand, South Africa. It provides a background to AMD and its impactsfrom a social science South African government and non-governmental organizations’ response to AMD is assessed, as well the socio-economic and developmental effects of AMD.
water resources and environment.
Details Removal of trace elements from acid mine drainage FB2
Mine water (M W) also known as acid mine drainage (A MD) or acid rock drainage (A RD) is one of the very serious challenges of mining industries worldwide. This literature review summarises the removal of toxic metals from the. Constructed Wetlands for Treating Acid Mine Drainage.
By Kathryn Smith. Introduction. The mining industry has felt the burden of both negative environmental criticism and strong governmental regulations.
In the past, mineral extraction and processing has been a source of many contaminants entering our water, soil, and air. In a nutshell, acid mine drainage is a form of water pollution that happens when rain, runoff, or streams come in contact with rock that is rich in sulfur.
As a result, the water becomes very acidic and damages downstream aquatic ecosystems. In some regions, it is the most common form of stream and river : Frederic Beaudry. Acid mine drainage is the second most important source of stream impairment in the Appalachian Basin.
Most is the result of untreated, pre-law mining. Development of an REE recovery industry around pre and post-law mines will incentivize capture of these drainage sources, treatment of AMD and.
Acid Rock Drainage and Acid Mine Drainage Acid rock drainage (ARD) is a natural process in which sulfuric acid is produced when sulfides in rocks—for example, pyrite (FeS 2)—are exposed to air and occurs along outcrops or scree slopes where sulfide-bearing rock is naturally weathered. Acid Mine Drainage (AMD) is currently the main pollutant of surface water in the mid-Atlantic region.
AMD is caused when water flows over or through sulfur-bearing materials forming solutions of net acidity. AMD comes mainly from abandoned coal mines and currently. Neuware - Acid mine drainage (AMD) isamong the most significant environmental challenges facing the mining industry occurs as a result of natural oxidation of sulphide minerals contained in mining wastes at operating and decommissioned mine may adversely impact the surface water and groundwater quality and land use due to.
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Acid Mine Drainage Prediction compares acid rock drainage factors of waste rock piles and tailings impoundments. In examining this table, it is important to note that diffusion of oxygen into water is slow and, therefore, oxidation of iron sulfide is inhibited until the water level drops, which can occur periodically or seasonally in some cases.
Mn removal was increased with the increase of pH from to Adsorption of these elements by activated carbons, gibbsite, zeolite and apatite was lower if compared to the biological material. Keywords: manganese, uranium, adsorption, removal, acid by: 6. The presence of high concentrations of trace elements dissolved in surface and ground waters is one of the main problems associated with acid drainage generated in coal and sulfide mining areas.
Acid mine drainage (AMD) results from the oxidation of sulfides, typically pyrite, and is characterized by low pH and high concentrations of SO 4 2. Modeling Metal Removal onto Natural Particles Formed during Mixing of Acid Rock Drainage with Ambient Surface Water by Jennifer W.
Tonkin, Laurie S. Balistrieri and James W. Murray The researchers examine the partitioning of trace metals onto natural particles within a complex natural system. They found that Fe, PB and Cu behavior were.
APES Ch. 15 Vocab. STUDY. Flashcards. Learn. Write. Spell. Test. PLAY. Match. Gravity. Created by. mtmarble Terms in this set (29) Acid mine drainage. Occurs when rainwater seeping through a mine or mine wastes carries sulfuric acid to nearby streams and groundwater. Contaminates water supply and destroys some forms of aquatic life.
Removal and recycling of metal contaminants and other by-products from acid mine drainage is the subject of this MEND project. Critical literature surveys and investigations in several selected research alternatives such as chemical treatment (that is modifications to limeFile Size: KB. yield AMD more than years after closure.
An example of an extreme case is a tin mine in England that was mined by the Romans more than 2, years ago and it still produces AMD from pyrite oxidation.
When the acid-forming materials of a surface or underground mine are completely flooded, the acid production tends to Size: KB. Treatment of Acid Mine Drainage by Ozone Oxidation Department of Applied Science Brookhaven National Laboratory, Associated Universities, Inc, U.S.
Atomic Energy Commission Upton, New York for the ENVIRONMENTAL PROTECTION AGENCY Contract No. Project No. FMH December For sale by the Superintendent of Documents, U.S. Government Printing Office.
Acid mine drainage (AMD) from mining wastes is one of the current environmental problems in the field of mining pollution that requires most action measures. This term describes the drainage generated by natural oxidation of sulfide minerals when they are exposed to the combined action of water and atmospheric oxygen.A Message Concerning Acid Mine Drainage The prevention of future acid and toxic discharges from coal mining operations into surface and ground waters and the remediation of miningrelated pollutional discharges are high - priorities of the Office of Surface Mining Reclamation and .Tailings and Mine Waste ' Paper from Proc.
6th Int. Conf. on Tailings and Mine Waste, held Fort Collins, CO, USA, Jan. AA Balkema, (). pp. ISBN DOCUMENT TYPE: Conference LANGUAGE: ENGLISH Metal removal efficiencies of substrates for treating acid mine drainage of the Dalsung mine, South Korea.
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