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:
Oct. 13, 2020
Filed:
Oct. 08, 2018
South China Institute of Environmental Sciences. Mep, Guangzhou, CN;
Anhui Normal University, Wuhu, CN;
Dongyang Wei, Guangzhou, CN;
Yonggang Wu, Wuhu, CN;
Xiang Wei, Guangzhou, CN;
Wenting Jiang, Wuhu, CN;
Tao He, Guangzhou, CN;
Xiaowen Liu, Guangzhou, CN;
Xi Chen, Guangzhou, CN;
Wen Zhou, Guangzhou, CN;
Jialiang Zhu, Guangzhou, CN;
Other;
Abstract
An apparatus and a method for removing nitrogen and phosphorus from sewage by using sponge iron and activated sludge are disclosed herein. The apparatus comprises a raw tank, a pH adjusting tank, a primary SBR reactor, a secondary SBR reactor, an intermediate tank, and a discharge tank; by modification of sponge iron, preparation of composite filler, sludge inoculation and domestication, and sewage treatment, an effect of simultaneous denitrification and dephosphorization is achieved in one reactor using the combined action of sponge iron and activated sludge with high nitrogen and phosphorus removal efficiency.