Record Display for the EPA National Library Catalog
RECORD NUMBER: 135 OF 149Main Title | Sulfide treatment of acid mine drainage / | ||||||||||||||||
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CORP Author | Bituminous Coal Research, Inc. | ||||||||||||||||
Publisher | Federal Water Pollution Control Administration, Dept. of the Interior, | ||||||||||||||||
Year Published | 1969 | ||||||||||||||||
Report Number | FWPCA-14010-DLC; 01488,; 2 | ||||||||||||||||
Stock Number | PB 187 866 | ||||||||||||||||
OCLC Number | 54346905 | ||||||||||||||||
Subjects | Acid mine drainage ; Sulfides ; Sulphides | ||||||||||||||||
Additional Subjects | ( Water pollution ; Iron compounds) ; ( Chemical precipitation ; Sulfides) ; Limestone ; X-ray diffraction analysis ; Cost effectiveness ; Coal ; Water treatment ; Mine waters ; Chemical removal(Water treatment) ; Coal mines ; Iron sulfides ; Hydrogen sulfide | ||||||||||||||||
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Collation | vii, 65 pages : illustrations ; 28 cm. | ||||||||||||||||
Abstract | During an earlier program a process for the treatment of coal mine drainage was conceived, involving the combined addition of limestone and hydrogen sulfide to effect precipitation of iron sulfides (LHS process). The black sludge formed during treatment undergoes oxidation at a rate depending on drying conditions with formation of elemental sulfur. X-ray diffraction analyses indicate the iron sulfide sludge component is an amorphous material. The unstable nature of the sulfide sludge, possibility of polysulfide formation during treatment, instability of mine waters of the type amenable to treatment, and inadequacies of available gas metering equipment are among the factors which militate against the controlled regulation of hydrogen sulfide feed necessary for successful operation of the process. These factors, and additional disadvantages revealed by an updated cost evaluation, lead to the conclusion that the LHS process is less attractive than accepted methods of mine drainage treatment. (Author) |
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Notes | "Program number FWPCA Grant no. 14010 DLC." Includes bibliographical references (pages 61-65). Microfiche. |