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Chemcial Industry and Engineering 2002, Vol. 19 Issue (6) :458-461    DOI:
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Progress in Formation of Ultrafine Powder by Supercritical Fluid
GAO Yao lai, WEN Qi biao (College of Food engineering and Biotechnology, South China University of Technology, Guangdong Guangzhou 510641,China)
(College of Food engineering and Biotechnology, South China University of Technology, Guangdong Guangzhou 510641,China

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Abstract Supercritical fluid is applied to the formation of ultrafine powder as a new technology. With the better ability of dissolving, difusing and transferring, high-quality ultrafine powder can be prepared. It includes the methods of Rapid Expansion of Supercritical Solution (RESS), the method of Gas Anti-Solvent (GAS) and the method of Water-in-Supercritical fluid Microemulsion. In this article the principles of RESS, GAS and Water-in-Supercritical fluid Microemulsion are reviewed, and the reseach status quo in food, pharmacy and chemical materials and so on is presented in detail.
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Received 2002-11-15; published 2002-11-15
Cite this article:   
GAO Yao lai, WEN Qi biao .Progress in Formation of Ultrafine Powder by Supercritical Fluid[J]  Chemcial Industry and Engineering, 2002,V19(6): 458-461
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