| 催化精馏塔中有效比表面积的测定 |
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| 引用本文： | 邱挺,王良恩,吴燕翔,赵之山.催化精馏塔中有效比表面积的测定[J].福州大学学报(自然科学版),2001,29(1):93-96. |
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| 作者姓名： | 邱挺 王良恩 吴燕翔 赵之山 |
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| 作者单位： | 福州大学化学工程系, |
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| 摘 要： | 用化学法 ,以含AsO-2 催化剂的Na2 CO3-NaHCO3 缓冲溶液吸收空气中的少量CO2 来测定塔内催化剂床层中气液呈逆流流动时的气液有效比表面积 ,用Danckwerts的表面更新模型进行数据处理 .
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| 关 键 词： | 催化精馏 比表面积 传质 |
| 文章编号： | 1000-2243(2001)01-0093-04 |
| 修稿时间： | 2000年3月17日 |
Effective interfacial area within catalytic distillation column |
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| QIU Ting,WANG Liang-en,WU Yan-xiang,ZHAO Zhi-shan.Effective interfacial area within catalytic distillation column[J].Journal of Fuzhou University(Natural Science Edition),2001,29(1):93-96. |
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| Authors: | QIU Ting WANG Liang-en WU Yan-xiang ZHAO Zhi-shan |
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| Institution: | (Department of Chemical Engineering, Fuzhou University, Fuzhou Fujian 350002, China) |
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| Abstract: | Effective interfacial area is an important parameter in the simulation of catalytic distillation process by using the nonequilibrium stage rate model. Under gas and liquid flowing countercurrently through the catalyst bed within a distillation column, the effective interfacial area was measured by a chemical method in which CO 2 in the air was analyzed by Na 2CO 3-NaHCO 3 buffer solution with AsO 2-as catalyst. The surface renewal theory proposed by Danckwerts was applied satisfactorily for data processing. |
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| Keywords: | catalytic distillation interfacial area mass transfer |
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