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1)  batch"azeotropic–extractive"distillation
"共沸-萃取"精馏
2)  Adding salt extraction-azeotropic distillation
加盐萃取共沸精馏
3)  aceotropic extraction
共沸萃取
1.
The present artical provides a process for the production of pure acetaldehyde oxime by the principle of aceotropic extraction and the selected solvent.
介绍了通过所选用的溶剂,利用共沸萃取原理,制取纯乙醛肟的工艺过程。
4)  extraction distillation
萃取精馏
1.
A kind of optimal extraction agent is determined for extraction distillation of propane-propene process,based on the simulation results by the ASPEN PLUS software.
借助ASPEN PLUS软件,对丙烷?丙烯体系萃取精馏过程所用的溶剂进行了筛选,得到一种最佳的萃取剂。
2.
The emphasis of the review is put on the practical,environmental,economical and new technologies such as extraction distillation plus adsorption,extraction distillation plus reactive distillation and extracti.
结合作者的研究工作,概述了噻吩及其衍生物的应用前景,着重综述了实用性强、环保、经济可行的萃取精馏+吸附;萃取精馏+反应精馏;萃取精馏+离子液体络合萃取等新型组合工艺,对合理利用噻吩资源,减少焦化苯精制中的环境污染等具有十分重要的意义。
3.
method of separation for ethanol and water was simply discussed,Technology of extraction dis-tillation separation for ethanol and water was designed,separation results of which were modelled bycomputer,and extraction distillation experiment with ethylene glycol was researched.
简要介绍了乙醇和水分离的方法,设计了蒸馏和萃取精馏相结合分离乙醇和水的工艺,并模拟该工艺的分离结果,以乙二醇为萃取剂进行了萃取精馏试验,结果表明以乙二醇为溶剂萃取分离乙醇和水,分离后乙醇的质量含量可提高到99。
5)  extractive distillation
萃取精馏
1.
Mechanism of NMA as entrainer in separating acetic acid from water with extractive distillation;
N-甲基乙酰胺用于萃取精馏乙酸脱水过程机理
2.
Simulation method of batch extractive distillation;
间歇萃取精馏过程模拟计算
3.
Preparation of anhydrous tert-butanol by extractive distillation with alkali;
加碱萃取精馏制取无水叔丁醇
6)  azeotropic distillation
共沸精馏
1.
Study on production of dehydration ethanol with azeotropic distillation dividing-wall column;
用共沸精馏隔壁塔生产无水乙醇的研究
2.
Simulation of dividing-wall azeotropic distillation column for separation of tert-butanol from water
分隔壁共沸精馏塔分离叔丁醇水混合物的模拟研究
3.
Study of the entrainer of n-Butyl acetate in azeotropic distillation simulation for acetic Acid-water system
HAC-H_2O共沸精馏过程中共沸剂醋酸正丁酯的模拟研究
补充资料:共去污萃取段
分子式:
CAS号:

性质:指Putex流程第一循环共去污分离循环中共去污的萃取段。它是Purex流程的关键性换作单元,对铀钚的收率和去污,对镓的走向和溶剂的辐射降解起关键作用。共去污萃取段的料液有低酸进料和高酸进料两种方式。新建的后处理厂都采用高酸进料。萃取段常在室温中工作以减少溶剂的降阶。此外温度低时,铀的分配系数高。提高有机相铀的饱和度有利于裂变产物的去污,铀的饱和度选为60%~80%。提高共去污萃取段酸度有利于钌的去污。

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