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. 23, 2021
Filed:
Jul. 23, 2020
Guangxi University, Nanning, CN;
Shuangfei Wang, Nanning, CN;
Zhiwei Wang, Nanning, CN;
Hui Liu, Nanning, CN;
Chengrong Qin, Nanning, CN;
Chen Liang, Nanning, CN;
Xueping Song, Nanning, CN;
Lianxin Luo, Nanning, CN;
Xinliang Liu, Nanning, CN;
Meiling Li, Nanning, CN;
Other;
Abstract
A method may add whey to high calcium papermaking industrial wastewater blended and pre-acidification treatment to promote anaerobic reaction and inhibit calcification. The method includes, before anaerobic treatment of papermaking wastewater, mixing whey wastewater with the papermaking wastewater. The method also includes pre-treating the papermaking wastewater by acidification to stabilize the papermaking wastewater prior to entering an anaerobic reaction system.