By James A. Jacobs

ISBN-10: 1118749243

ISBN-13: 9781118749241

Provides the instruments had to learn and clear up acid drainage problems

Featuring contributions from best specialists in technology and engineering, this e-book explores the complicated biogeochemistry of acid mine drainage, rock drainage, and acid sulfate soils. It describes the right way to are expecting, hinder, and remediate the environmental influence of acid drainage and the oxidation of sulfides, providing the newest sampling and analytical equipment. furthermore, readers will notice new ways for getting better worthwhile assets from acid mine drainage, together with bioleaching.

Acid Mine Drainage, Rock Drainage, and Acid Sulfate Soils stories the most up-tp-date findings within the box, supplying new insights into the underlying factors in addition to new instruments to reduce the damage of acid drainage:

  • Part I: Causes of Acid Mine Drainage, Rock Drainage and Sulfate Soils makes a speciality of the biogeochemistry of acid drainage in several environments.
  • Part II: Assessment of...
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    Additional info for Acid Mine Drainage, Rock Drainage, and Acid Sulfate Soils. Causes, Assessment, Prediction, Prevention, and Remediation

    Example text

    2 Relationships between pH and Eh: (a) environmental changes; (b) resulting metal mobility and form. 3 Distribution of metals in solid phases in soils. 4 Relationship between organism growth or health and dietary concentration for an essential element (a) and a nonessential element (b). 5 Copper speciation with (a) varied acidity (pH) and copper concentration, and (b) varied pH and oxidation–reduction (Eh). 6 Conceptual aquatic food chain showing methylmercury bioaccumulation. S. 7 Schematic diagram of metal uptake, with several scenarios.

    2 Thiobacilli (a,b) from bacterial generator (no flagella) and (c) grown on ferrous iron (flagella). Magnification about ×5000 (a), ×20,000 (b), ×15,000 (c). 3 Eh–ph diagram for a Cu–H2O–O2–S–CO2 system. 4 Effects of bacteria on the rate of disolution of copper from chalcopyrite. 1 Formation of mineral zones derived from hypogene material. 2 Mature gossan profile. 3 Weathering and acid rock generation and drainage cycle of mineralization and their impact on the geochemistry of the environment. 4 Mechanisms of sulfide oxidation and gossan formation.

    Bacteria secrete extracellular polymers to attach to the mineral surface. Not to scale. 27 Step 3: Microcolonies of A. ferrooxidans develop, biofilm formation begins, and the pH in the pore water drops. Not to scale. 28 Step 4: Microcolonies of A. ferrooxidans expand, biofilm formation matures, and the pH in the pore water stabilizes. Not to scale. 29 Step 5: Bacteria clusters detach from the main microcolony. Not to scale. 1 Variation of molybdenum concentration with depth for a diamond drill hole in nickeliferous dunite.

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    Acid Mine Drainage, Rock Drainage, and Acid Sulfate Soils. Causes, Assessment, Prediction, Prevention, and Remediation by James A. Jacobs


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