| 硅藻土-木桨纤维为助滤剂强化过滤过程的研究(英文) |
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| 引用本文： | 都丽红,陈旭,李文苹,朱企新.硅藻土-木桨纤维为助滤剂强化过滤过程的研究(英文)[J].中国化学工程学报,2011,19(5):792-798. |
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| 作者姓名： | 都丽红 陈旭 李文苹 朱企新 |
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| 作者单位： | 1. Chemical Industry Academy, Tianjin University, Tianjin 300072, China;2. Shanghai Research Institute of Chemical Industry, Shanghai 200062, China;3. Agrilectric Research Company, Lake Charles, USA |
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| 摘 要： | In this paper, a study to enhance the filtration for solid/liquid materials difficult to be filtered, such as highly viscous, highly compactible or gel like materials, is presented. Filter aids diatomaceous earth and wood pulp cellulose are used to enhance the filtration by improving filter cake structure and properties in the filtration of a biological health product and a highly viscous chemical fiber polymer melt product. The property of solid/liquid systems, filtration at different flow rates, specific cake resistance, cake wetness, filtration rate, filtrate turbidity for filter aid selection and evaluation, and operation optimization are investigated. The results are successfully applied to industrial process, and can be used as a reference for similar filtration applications.
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| 关 键 词： | 过滤过程 助滤剂 纤维素 硅藻土 木浆 工业生产过程 过滤材料 聚合物熔体 |
| 收稿时间： | 2011-6-2 |
| 修稿时间： | 2011-6-2
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A study on enhancement of filtration process with filter aids diatomaceous earth and wood pulp cellulose |
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| DU Lihong,CHEN Xu,LI Wenping,ZHU Qixin.A study on enhancement of filtration process with filter aids diatomaceous earth and wood pulp cellulose[J].Chinese Journal of Chemical Engineering,2011,19(5):792-798. |
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| Authors: | DU Lihong CHEN Xu LI Wenping ZHU Qixin |
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| Affiliation: | 1. Chemical Industry Academy, Tianjin University, Tianjin 300072, China;2. Shanghai Research Institute of Chemical Industry, Shanghai 200062, China;3. Agrilectric Research Company, Lake Charles, USA |
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| Abstract: | In this paper, a study to enhance the filtration for solid/liquid materials difficult to be filtered, such as highly viscous, highly compactible or gel like materials, is presented. Filter aids diatomaceous earth and wood pulp cellulose are used to enhance the filtration by improving filter cake structure and properties in the filtration of a biological health product and a highly viscous chemi-cal fiber polymer melt product. The property of solid/liquid systems, filtration at different flow rates, specific cake resistance, cake wetness, filtration rate, filtrate turbidity for filter aid selection and evaluation, and operation optimization are investigated. The results are successfully applied to industrial process, and can be used as a reference for similar filtration applications. |
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| Keywords: | filter aid specific cake resistance cake compressibility coefficient diatomaceous earth wood pulp cellulose |
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