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050296A.CHM  + Source:  ONR Asia +
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Contributory Categories: ENG,ENV,GEO

Country: Japan 

From:  Proceedings of the First (1995) ISOPE
       Ocean Mining Symposium
       Tsukuba, Japan
       21-22 November 1996
       ISBN: 1-880653-21-4
       233 pp. 

KEYWORDS: Japan; Ocean Mining, ferro-managanese nodules,
polymetallic sulfides. ***ADDITIONAL KEYWORDS WITH EACH
ITEM***
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Abstracts and References for Topic:
Materials and Processing
Part I/II

4 Items
o  REDUCTION LEACHING OF MANGANESE NODULES WITH SODIUM SULFITE
    IN AMMONIUM CHLORIDE SOLUTION
o  BIOLEACHING OF MARINE MANGANESE NODULES BY ACIDOPHILIC 
    SULFUR-OXIDIZING BACTERIA
o  CARBON DIOXIDE FIXING-TYPE HYDROGEN REDUCTION LEACHING OF
    DEEP-SEA OXIDE MINERALS USING A PT/PTFE CATALYST IN 
    AMMONIUM CARBONATE SOLUTION AT MODERATE TEMPERATURE AND
    ATMOSPHERIC PRESSURE
o  LEACHING OF COBALT-RICH FERROMANGANESE CRUST WITH AMMONIACAL
    SOLUTIONS USING AMMONIUM SULFITE AND AMMONIUM THIOSULFATE 
    AS REDUCING AGENTS

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