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. 29, 2020
Filed:
May. 15, 2017
Tianhua Institute of Chemical Machinery and Automation Co., Ltd, Gansu, CN;
Xu Zhao, Gansu, CN;
Tao Shen, Gansu, CN;
Tianbao Wang, Gansu, CN;
Wanyao Zhang, Gansu, CN;
Yuanrui Lu, Gansu, CN;
Lilong Xu, Gansu, CN;
Min Jia, Gansu, CN;
Dongzhao Han, Gansu, CN;
Xiaoling Xie, Gansu, CN;
Yongning Qiu, Gansu, CN;
TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION CO., LTD, Lanzhou, Gansu, CN;
Abstract
The present invention relates to a method of recycling mother liquid of a PTA refining unit. The present invention recycles waste heat and PT acids of a PTA mother liquid to effectively utilize heat in the PTA mother liquid, solves influence of crystallization of the PT acids on subsequent system, reduces pollution to the environment, and can produce huge economic benefits by using high efficient multistage flash distillation technology, low temperature cogeneration technology, heat pump heating and cooling technology, and low temperature crystallization technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile