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微孔分散法制备超细CaCO3

Preparation of ultrafine calcium carbonate with micropore dispersion

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【作者】 吴国华朴香兰王玉军朱慎林

【Author】 WU Guohua, PIAO Xianglan, WANG Yujun, ZHU Shenlin (State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084,China)

【机构】 化学工程联合国家重点实验室(清华大学)化学工程联合国家重点实验室(清华大学) 北京100084北京100084

【Abstract】 Ultrafine particles of CaCO3 were synthesized with micropore dispersion in gas-liquid (slurry) systems.Experiments was conducted on carbonation of Ca(OH)2/H2O system.Micropore plate was used for the dispersion of mixed gas containing CO2.Therefore,the processes of momentum transfer, mass transfer and reaction were enhanced.The results showed that ultrafine particles with diameter about 40nm and specific surface area more than 30 m2·g -1 were prepared successfully.The crystal structure of particles was characterized with BET, FTIR and TEM.

  • 【文献出处】 化工学报 ,Journal of Chemical Industry and Engineering(China) , 编辑部邮箱 ,2006年06期
  • 【分类号】TQ132.32
  • 【被引频次】6
  • 【下载频次】157
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