The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 03, 2024
Filed:
Dec. 24, 2021
Quzhou Juhua Polyamide Fibre Llc., Zhejiang, CN;
Beijing University of Chemical Technology, Beijing, CN;
Juhua Group Co., Ltd., Hangzhou Zhejiang, CN;
Liangliang Zhang, Beijing, CN;
Liyang Zhou, Hangzhou Zhejiang, CN;
Guangwen Chu, Beijing, CN;
Bibo Xia, Zhejiang, CN;
Jianfeng Chen, Beijing, CN;
Yutu Jiang, Zhejiang, CN;
Jihong Tong, Hangzhou Zhejiang, CN;
Baochang Sun, Beijing, CN;
Wei Mao, Zhejiang, CN;
Yanchun Zheng, Zhejiang, CN;
QUZHOU JUHUA POLYAMIDE FIBRE LLC., Quzhou, CN;
JUHUA GROUP CO., LTD, Zhejiang, CN;
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY, Beijing, CN;
Abstract
A system and method for preparing epoxy chloropropane is provided in that by coupling three stages of high gravity reactors, the product epoxy chloropropane and water vapor are distilled from a reaction system in form of an azeotrope by adopting a water vapor steam stripping method. Further, by combining the azeotrope with the multiples stages of high gravity reactors, the gas phase mass transfer and the liquid phase mass transfer of the azeotrope are improved aiming at the features of the azeotrope in the reaction system, thus making the overall conversion rate higher. In addition, by combining steam stripping and high gravity, dichloropropanol and alkali solution are rapidly mixed for mass transfer, and the product epoxy chloropropane is rapidly distilled from the reaction system in the form of the azeotrope, such that the reaction proceeds continuously towards the direction of producing epoxy chloropropane, thus significantly improving the conversion rate.