2 edition of rapid analysis of acid mine drainage found in the catalog.
rapid analysis of acid mine drainage
Barry G. McMillan
by Coal Research Bureau, College of Mineral and Energy Resources, West Virginia University in Morgantown
Written in English
|Statement||by Barry G. McMillan David J. Akers, and John F. Colabrese.|
|Series||Technical report - Coal Research Bureau, West Virginia University ; no. 118, Technical report (West Virginia University. Coal Research Bureau) ;, rept. no. 118.|
|Contributions||Akers, David J., joint author., Colabrese, John F., joint author.|
|LC Classifications||TD899.M5 M3|
|The Physical Object|
|Pagination||35 p. :|
|Number of Pages||35|
|LC Control Number||77623337|
“Published by John Wiley & Sons, Inc., Acid Mine Drainage, Rock Drainage and Acid Sulphate Soils is more than a textbook. Illustrated with dozens of photographs, charts, tables and maps, the book is a compendium of 36 scientific papers written by . Keywords: acid mine drainage, heavy metals, metal-sulfides, wetlands, bioremediation, electron microprobe, bacterial sulfate reduction, sulfate-reducing bacteria Introduction A dynamic interplay of physical, chemical, and biological processes controls long-term metals speciation in wetlands (e.g., Wood and Shelley, ; Toevs et al., ).
Interdisciplinary Approach to the Analysis of Acid Mine Drainage at an Underground Lead Zinc Mine By J. A. RILEY, D. R. RALSTON and R. E. WILLIAMS ABSTRACT Acid mine drainage is a serious environmental and economic concern, resulting in regulation of the . Acid mine drainage ABT analysis indicated that pH was the major factor for the patterns ) to investigate how rapid adaptive evolution may have assisted in the maintenance of the dominant populations in local AMD communities and how the physiologies of the dominant and less abundant organisms change along environmental gradients.
Abstract. The uncontrolled release of acid mine drainage (AMD) is perhaps the most serious impact mining can have on the environment. The cumulative length of streams worldwide affected by acid mine drainage is not known, but over km of streams in the eastern United States are seriously affected by acid drainage from coal mines (Kim et al. ). Process of Acid Mine Drainage • Geochemical and microbial reactions during weathering of sulfide minerals (pyrite) in coal, refuse, or mine overburden – Oxidation of sulfide minerals in the presence of air, water, and bacteria – Formation of sulfuric acid and increase in acidity – Solubilization of metals due to low pH 5.
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Joule Bergerson, Lester Lave, in Encyclopedia of Energy, Acid Mine Drainage. Acid mine drainage is the main cause of polluted water in the United States with devastating effects on biological activity in many streams.
Inof 54, miles of streams in Pennsylvania were polluted by acid mine drainage from old mining operations. Acid mine drainage (AMD), which can have pH values as low as – (Nordstrom et al., ), can contain high concentrations of many solutes, including iron and arsenic (see Chapter ).
The highest reported arsenic concentration, μg l −1, was found in an acid seep in Richmond mine, California (Nordstrom and Alpers, ). Acid Mine Drainage Acid Mine Drainage. Acid mine drainage (AMD) is typically characterized by low pH and high dissolved iron.
The acid mine drainage may also contain high amounts of CO2 which forms carbonic acid and further depresses the pH. There are four chemical reactions that represent the chemistry of pyrite weathering to form acid mine. Acid mine/rock drainage (AMD/ARD), effluents with low pH and high concentrations of hazardous and toxic elements generated when sulfide-rich wastes are exposed to the environment, is considered as a serious environmental problem encountered by the mining and mineral processing industries around the by: 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 pollution. Acid mine drainage (AMD) continues to be a concern in coal mining because it reduces surface water and groundwater quality (Verburg et al., ) and may perhaps persist for several years.
In the U.S. only, AMD pollutes o km of streams (Skousen et al., ). Blasting and dewatering exposes sulfide minerals, posing threats to environment.
Many researchers have studied environmental problems in soil and aquatic ecosystems that have arisen from acid mine drainage in China and elsewhere [5,14,15,16,17,18]. In fact, soil that has been polluted by iron and sulfate has attracted extensive attention around the world.
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. An Overview of Acid Mine Drainage.
Acid mine drainage or Acid rock drainage (ARD) refers to the acidic water that is formed when sulphide minerals are exposed to air and water and, through a natural chemical reaction, produce sulphuric acid. Acid mine drainage has the capability to introduce acidity and dissolved metals into water.
1. Introduction. Sincebillion tons of coal have been mined in Ohio, exposing numerous abandoned mine voids to oxygen and water leading to several harmful environmental impacts (Crowell, ).Acid mine drainage (AMD) is produced when O 2-rich surface water infiltrates mine works or waste seam- and adjacent rock-associated FeS 2 phases are oxidized by series of.
According to researchers at Penn State, a new method for treating acid mine drainage (AMD) could enable the conversion of the environmental pollution issue into a vital domestic source of the critical rare earth elements that are required for the manufacture of technology varying right from smartphones to fighter : Azocleantech.
Costs in of five chemicals to treat acid mine drainage in West Virginia. The analysis is based on a five-year operation period and includes chemical reagent costs, installation and.
A site in the former uranium mining area of Eastern Thuringia near Ronneburg was investigated with regard to effects of acid mine drainage (AMD) on reactive transport and bioattenuation. With a combined pumping and treatment capacity of Mℓ/day, the successful delivery of three acid mine drainage treatment plants across the Witwatersrand Western, Central and Eastern Basins between and are today effectively preventing millions of litres of toxic water from decanting to surface.
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. 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.
Acid mine drainage (AMD) is a well-known environmental problem arising from both working and abandoned mines. This process happens when minerals, especially sulphide minerals, are exposed to. Acid Mine Drainage: Chemistry Acid mine drainage impacts stream and river ecosystems through acidity, ferric ion (Fe 3+) precipitation, oxygen depletion, and release of heavy metals associated with coal and metal mining, such as aluminum (Al 3+), zinc (Zn 2+), and manganese (Mn 2+).
When mineral deposits that contain sulfides are mined, they have the potential to produce acid mine drainage. Table of ContentsRestriction of Water EntryTreatment by NeutralizationTreatment by Reverse OsmosisTreatment by Ion Exchange In past years, water drainage control in coal mines has been primarily directed on the basis of water quantity rather than quality.
Due to the recent intense interest in total ecology and environment, emphasis has shifted to the point where the water exiting from a. Acid mine drainage (AMD) is a worldwide environmental problem representing a primary source of contamination by heavy metals in both active and abandoned mining areas   .
The. ABSTRACT: 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 world. A dry cover system is generally constructed in waste dump for the prevention of AMD in Indonesia by virtue of low cost and availability of waste rocks for a cover layer.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 active mining. AMD degrades more than 4, stream miles.Acid mine drainage (AMD) is a very acidic effluent containing high levels of sulphates, metals, sulphides, and salts.
AMD management requires particular attention in order to avoid environmental.