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:
Feb. 06, 2024
Filed:
Nov. 17, 2020
Zhejiang Nhu Company Ltd., Shaoxing, CN;
Zhejiang Nhu Pharmaceutical Co., Ltd., Shaoxing, CN;
Shangyu Nhu Bio-chem Co., Ltd., Shaoxing, CN;
Xiaoxiang He, Shaoxing, CN;
Junhua Peng, Shaoxing, CN;
Xianghua Yao, Shaoxing, CN;
Songhua Xu, Shaoxing, CN;
Lihuan Cheng, Shaoxing, CN;
Yinbing Wang, Shaoxing, CN;
Yinjiang Song, Shaoxing, CN;
Lei Wang, Shaoxing, CN;
ZHEJIANG NHU COMPANY LTD., Shaoxing, CN;
ZHEJIANG NHU PHARMACEUTICAL CO., LTD., Shaoxing, CN;
SHANGYU NHU BIO-CHEM CO., LTD., Shaoxing, CN;
Abstract
The present disclosure relates to a method for preparing taurine and a method for recovering a mother liquor thereof. The method for recovering the taurine mother liquor comprises: providing a taurine mother liquor, and mixing the taurine mother liquor and a treating agent to obtain a solid-containing suspension, wherein the treating agent is a water-soluble organic solvent or a mixture of the water-soluble organic solvent and water; filtering the suspension to obtain a first solid product and a first filtrate; and dissolving the first solid product with an ammonia source, and then filtering same to obtain a second solid product and a second filtrate.