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:
Dec. 20, 2022
Filed:
Oct. 22, 2020
Xuebing Zhao, Beijing, CN;
Dehua Liu, Beijing, CN;
Ziyuan Zhou, Beijing, CN;
Lingmei Dai, Beijing, CN;
Chenghua Zou, Sichuan, CN;
Xuebing Zhao, Beijing, CN;
Dehua Liu, Beijing, CN;
Ziyuan Zhou, Beijing, CN;
Lingmei Dai, Beijing, CN;
Chenghua Zou, Sichuan, CN;
TSINGHUA UNIVERSITY, Beijing, CN;
SICHUAN ZIGONG CHI YU SALT PRODUCTCO., LTD., Sichuan, CN;
Abstract
The invention provides a method for preparing drinking weak alkali water and strontium-rich electrolyte raw water from distilled water obtained in the process of producing salt from well and mine brine, which comprises procedures of pressure reduction treatment, primary filtration, membrane separation treatment, activated carbon adsorption treatment, secondary filtration treatment, sterilization and disinfection treatment and the like on the salt-making distilled water in sequence so as to remove insoluble solid impurities, sulfides, microorganisms and other substances in the raw water, and separate or enrich ions, thereby preparing the weak alkali water suitable for drinking and the strontium-rich electrolyte raw water capable of being used for functional beverage production. The method provided by the invention can not only realize the comprehensive utilization of resources, but also obtain new products, significantly improving the economical efficiency of the process.