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| IMPROVEMENT OF PRODUCING PROCESS OF COMPOSITE POWDERS BY HYDROTHERMAL HYDROGEN REDUCTION |
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Received:June 04, 2007
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| DOI： |
| KeyWord:hydrothermal hydrogen reduction; composite powders; reaction-finished solution; clean up autoclave |
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YIN Chun-lei,CHEN Shu-yu,WANG Feng-e(Beijing General Research Institute of Mining , Metallurgy,Beijing 100044,China)
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| Abstract: |
| The producing process of composite powders by hydrothermal hydrogen reduction is improved. The concentration of ammonium sulfate in reaction-finished solution is ascertained by measure conductance of the solution. After that, the reaction-finishedsolution is cycled to avoid draining and save ammonium sulfate. The nickel deposited on autoclave is dissolved and used by applying oxygen to clean up the autoclave, simultaneously, and the labor intensity is decreased evidently. |
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