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Chemcial Industry and Engineering 2002, Vol. 19 Issue (2) :197-200    DOI:
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Study on the Purification and Impurity Removing in the Preparation of Active Zinc Oxide by Ammonia Complex Leaching Technique
WANG Ya-qiong, XU Wen-lin, LU Ping (Department of Chemistry and Chemical Engineering,Yangzhou University,Jiangsu Yangzhou 225002,China)
(Department of Chemistry and Chemical Engineering,Yangzhou University,Jiangsu Yangzhou 225002,China

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Abstract Active zinc oxide was produced from crude zinc oxide by using ammonia leaching technique.Manganiferous ions was removed by using H 2O 2 as a oxidant and copper ions was removered by (NH\-4)\-2S in order to purify the zinc complex liquor in the purification process. The experimental results showed that this technological process was suitable for treating zinc complex solution to produce high grade zinc oxide.
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Received 2002-03-15; published 2002-03-15
Cite this article:   
WANG Ya-qiong, XU Wen-lin, LU Ping .Study on the Purification and Impurity Removing in the Preparation of Active Zinc Oxide by Ammonia Complex Leaching Technique[J]  Chemcial Industry and Engineering, 2002,V19(2): 197-200
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