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旋转填充床中微观混合实验研究

EXPERIMENTAL STUDY ON MICROMIX ING IN ROTATING PACKED BEDS

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【作者】 刘骥; 陈建峰; 宋云华; 郑冲;

【Author】 L I U Ji, C H E N Jian feng, S O N G Yun hua, Z H E N G Chong( Research Center of High Gravity Engineering and Technology, Beijing University of Chem ical Technology, Beijing 100029, China)

【机构】 北京化工大学超重力工程技术中心!北京100029;

【摘要】 采用 1萘酚与对氨基苯磺酸重氮盐偶合竞争串联反应体系,对旋转填充床内的微观混合进行了实验研究,得到了转速、浓度、流量、体积比等因素对离集指数影响规律,并对之进行了合理的解释和分析。结果表明,旋转填充床中微观混合能被极大地强化,可成为适合快速反应的新一代反应器

【Abstract】 Microm ixing in a Rotating Packed Bed w as experim entally studied usingthe com petitive and consecutitive reaction betw een 1 naphthol and diazotised sulphanilicacid. The influence ofvolum etric ratio, rotating speed, concentration and volum e of flowon segregation index ( X S) has been investigated. The results show ed that w hen volum et ric ratio is sm all, the reaction is in the chem ical controlled regim e, and w hen volum etricratio is large, the reaction is in the m ixing controlled regim e. In the latter, X S decreasesw hile increasing rotating speed, concentration and volum e offlow . Itw as also proved that Rotating Packed Bed is a m ore suitable reactor for fast reactions as com pared to stirredtank, “ Tee”m ixer etc.

【关键词】 旋转填充床; 微观混合; 离集指数;
【Key words】 rotating packed bed; m icrom ixing; fast reaction;
【基金】 国家自然科学基金
  • 【文献出处】 化学反应工程与工艺 ,CHEMICAL REACTION ENGINEERING AND TECHNOLOGY , 编辑部邮箱 ,1999年03期
  • 【分类号】TQ027.1
  • 【被引频次】48
  • 【下载频次】232
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