Search results with tag "Mine drainage"
Acid Mine Drainage
www.dmp.wa.gov.auAcid Mine Drainage Environmental Notes on Mining, updated September 2009 Pyrite (FeS2) is commonly associated with coal and metal ore deposits. Its oxidation occurs spontaneously in nature, causing environmental problems like Acid Mine Drainage (AMD) and mine-tailing leachate containing heavy metals.
(1994) Passive Treatment of Acid Mine Drainage with …
www.hedinenv.comPassive Treatment of Acid Mine Drainage with Limestone Robert S. Hedin, George R. Watzlaf,* and Robert W. Nairn ABSTRACT The water treatment performances of two anoxic limestone drains
ENVIRONMENTAL AND HEALTH IMPACTS OF MINING IN …
www.unesco.orgtowards remediation of polluted mine sites. Desorption results showed that the adsorbent could be reusable. Keywords. Biosorbent, Penicillium simplicissimum, heavy metals, wastewaters, acid mine drainage, chemisorption 1 Introduction Wastes generated by the mining industry contain high concentrations of metals and metalloids which can be
EXPOSURE TO ARSENIC: A MAJOR PUBLIC HEALTH CONCERN
www.who.intremobilization of historic sources, such as mine drainage water; mobilization into drinking-water from geological deposits by drilling of tube wells. Drinking-water . Drinking-water poses the greatest threat to public health from arsenic. Inorganic arsenic is naturally present at high levels in the groundwater of a number of countries, such as
BIOAVAILABILITY OF METALS INTRODUCTION
pubs.usgs.govmetals in soil near and far from urban pollution (Pouyat and McDonnell, 1991); formation of acid mine drainage (Filipek and others, 1987); uptake of heavy metals by plants in lab experiments (Brown and others, 1995); and uptake of metals by vertebrates in the vicinity of zinc smelters (Storm and others, 1994).