| 纳米碳酸钙碳化过程中“四膜模型”的研究 |
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| 引用本文： | 颜鑫,邓新云,欧阳楚理,徐明.纳米碳酸钙碳化过程中“四膜模型”的研究[J].化学世界,2011,52(12):716-719. |
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| 作者姓名： | 颜鑫 邓新云 欧阳楚理 徐明 |
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| 作者单位： | 1. 湖南化工职业技术学院化工系,湖南株洲,412004
2. 广东连州伟信硅灰石有限公司,广东连州,513432 |
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| 基金项目： | 广东省教育厅产学研结合项目(2009B090300154) |
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| 摘 要： | 在双膜理论基础上,探讨建立了纳米碳酸钙碳化过程的“四膜模型”；用“四膜模型”来解释超细碳酸钙生产过程中碳化前期、中期、末期及过度碳化等各阶段的动力学区域和碳化机理,解释碳化过程中包裹返碱现象发生的规律和预防机理,都取得了理想的效果.
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| 关 键 词： | 气液固多相反应体系 双膜理论 四膜模型 超细碳酸钙 碳化过程 |
Research on Four Films Model of Carbonization Process of Nano Calcium Carbonate |
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| YAN Xin,DENG Xin-yun,OUYANG Chu-li,XU Ming.Research on Four Films Model of Carbonization Process of Nano Calcium Carbonate[J].Chemical World,2011,52(12):716-719. |
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| Authors: | YAN Xin DENG Xin-yun OUYANG Chu-li XU Ming |
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| Affiliation: | YAN Xin1,DENG Xin-yun1,OUYANG Chu-li2,XU Ming2(1.Chemical Engineering Department of Hunan Chemical Engineering College,Hunan Zhuzhou 412004,China,2.Guangdong Nianzhou Weixing Wollastonite Co.,LTD Guangdong Nianzhou 513432,China) |
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| Abstract: | On the base of double films theory a four films model suiting for gas-liquid-solid multiphase reaction system was buiet.The dynamics area of each phase and the carbonization mechanism of superfine calcium carbonate prodection process in the early,middle,late and excessive carbonization stages were explained.The laws and prevention mechanism of package fanjian phenomenon were discussed.The result showed that the four films modelwas ideal. |
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| Keywords: | gas-liquid-solid multiphase reaction system double films theory four films model superfine calcium carbonate carbonization process |
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