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铝盐沉淀法制备低堆比假一水软铝石的研究

Study on Preparation of Low Bulk Density Pseudo - boehmite by Aluminum Salt Precipitation

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【作者】 刘冬叶志良曹晶王志斌许艺吴沛成沈文霞周钰明

【Author】 Liu Dong Ye Zhiliang Cao Jing Wang Zhibin Xu Yi Wu Peicheng Shen Wenxia Zhou Yuming(Research Institute of Jinling Petrochemical Limited Corp. .Nanjing,210046;Department of Chemistry,Nanjing University,Nanjing,210093; Department of Chemistry and Chemical Engineering. .Southeast University,Nanjing,210096)

【机构】 金陵石化有限责任公司研究院南京大学化学系东南大学化学化工系 南京210046 东南大学化学化工系南京210096南京210046 东南大学化学化工系南京210046南京210093南京210096

【摘要】 研究了铝盐沉淀法制备假—水软铝石过程中各因素对水合产物物性的影响规律。提出了制备低堆比的高纯假—水软铝石的方法。用NH4HCO3或(NH42/CO3溶液做洗涤介质有效降低了假—水软铝石中的杂质含量。采用加入晶种的方法制备了低堆比、含有大孔的假—水软铝石。

【Abstract】 The effects of factors on hydrated products in the preparation of pseudo - boehmite by aluminum salt precipitation was studied.A method of preparing low bulk density and extremely pure pseudo - boehmite was introduced. Washing by NHtHCO3 or (NH4)2CO3 solution decreased the impurity in pseudo - boehmite significantly.The low bulk density and large porous pseudo - boehmite was obtained by the addition of crystal seeds.

  • 【文献出处】 化工时刊 ,Chemical Industry Times , 编辑部邮箱 ,2003年07期
  • 【分类号】O614.31
  • 【被引频次】1
  • 【下载频次】139
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