By James A. Jacobs
Provides the instruments had to examine and remedy acid drainage problems
Featuring contributions from top specialists in technology and engineering, this booklet explores the advanced biogeochemistry of acid mine drainage, rock drainage, and acid sulfate soils. It describes find out how to expect, hinder, and remediate the environmental impression of acid drainage and the oxidation of sulfides, delivering the most recent sampling and analytical equipment. furthermore, readers will become aware of new techniques for recuperating worthwhile assets from acid mine drainage, together with bioleaching.
Acid Mine Drainage, Rock Drainage, and Acid Sulfate Soils experiences the most up-tp-date findings within the box, providing new insights into the underlying explanations in addition to new instruments to lessen the damage of acid drainage:
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Extra resources for Acid Mine Drainage, Rock Drainage, and Acid Sulfate Soils. Causes, Assessment, Prediction, Prevention, and Remediation
Lime and organic matter were tilled into the contaminated soil and the area was revegetated. 8 Wetland in a reclaimed area; the silt fence needs maintenance or removal, depending on the erosional characteristics of the adjacent area. 9 Acid mine drainage discharging into a clear stream. Notice that vegetation is poorly established on the streambank near the acid water. 10 Dead and dying streambank vegetation in a reclaimed area. 11 Temporarily closed mine shaft. 12 The mine adit closure bulkhead at this reclaimed site is located several feet inside the opening, creating an attractive nuisance and a risk to site visitors.
20 Approximate free energy for major terminal electron acceptors. Not to scale. 21 Starting point conceptual diagram of colonization of pyrite under circumneutral pH. Not to scale. 22 Conceptual diagram of the colonization of pyrite under circumneutral pH. Not to scale. 23 Conceptual diagram of the colonization of pyrite. Not to scale. 24 Conceptual diagram of the colonization of pyrite. Not to scale. 25 Step 1: Planktonic bacteria cells in pore fluids or surface waters. Including movement toward the pyrite surface.
9 Stream cross section for flow estimation exercise. 1 Hypothetical curve to determine the number of samples required to characterize geological units. 2 Scope of characterization and analysis for each mine component. 3 Note change in color due to alteration; each unit must be sampled. 4 Linear (a) and panel (b) sample examples. 5 Drill-hole sampling to generate minable blocks of ore and nonore material. Profile view. 6 Profile sample. 7 Sample banks (soil and vegetation) on either side to determine possible migration of elements.
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