Experimental Study on Crystallization of lminodiacetonitrile

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Experimental Study on Crystallization of lminodiacetonitrile

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[1]YANG Libin,WANG Yanfei,ZENG Xiangdong,et al.Experimental Study on Crystallization of lminodiacetonitrile[J].Journal of Zhengzhou University (Engineering Science),2010,31(03):12-15.

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 31 Number of periods: 2010 No.03 Page number: 12-15 Column: Public date: 2010-03-01

Title:: Experimental Study on Crystallization of lminodiacetonitrile

Author(s):: YANG Libin; WANG Yanfei; ZENG Xiangdong; etc; 1．Tianjin Key Laboratory of Matin Resources and Chemistry，Tianjin University of Science and Technology，Tianjin 300457，China；2．School of Chemical Engineering and Technology，Tianjin University，Tianjin 300072，China

Keywords:: minodiacetonitrile; suspension crystallization; metastable zone; supersaturation

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Abstract:: The crystal habit of iminodiacetonitrile was determined in detail．The metastable zone and solubilityof iminodiacetonitrile in water was measured and the effects of cooling rate were investigated experimentally．Inaddition，the solubility of iminodiacetonitrile was studied in water，and rule of cooling crystallization was finally obtained．The solubility in water increases with increasing temperature and the growth rate at high temperatures increases．The metastable zone that is supersaturation of iminodiacetonitrile in crystallization process becomes wider while the cooling rate of crystallization process becomes larger．

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