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Chemcial Industry and Engineering 2010, Vol. 27 Issue (1) :30-33    DOI:
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Preparation of the Leached Type Mg(OH)_2 by Brine-Ammonia Precipitation
GUO Shu-yuan, ZHANG Yu-shan, HUANG Xi-ping, ZHANG Jia-kai, LIU Luo-feng, WANG Yu-qi,WU Hai-hong(Tianjin Institute of Seawater Desalination and Multi-Purpose Utilization,State Oceanic Administration,Tianjin 300192,China)
(Tianjin Institute of Seawater Desalination and Multi-Purpose Utilization,State Oceanic Administration,Tianjin 300192,China

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Abstract With brine and ammonia aqueous solution as raw material, preparation of the leached type Mg(OH)_2 was studied. Effect of the temperature and time of the reaction, the aging time and temperature, and the raw material ratio on the preparation was discussed. The optimum technologic conditions were obtained based on experimental results. Under optimized conditions, the quality of the leached type Mg(OH)_2 reached the standard of HY/T111-2008, and the conversion of Mg~ 2+ in brine was up to 95%.
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Received 2010-01-15; published 2010-01-15
Cite this article:   
GUO Shu-yuan, ZHANG Yu-shan, HUANG Xi-ping, ZHANG Jia-kai, LIU Luo-feng, WANG Yu-qi,WU Hai-hong.Preparation of the Leached Type Mg(OH)_2 by Brine-Ammonia Precipitation[J]  Chemcial Industry and Engineering, 2010,V27(1): 30-33
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