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. 24, 2024
Filed:
Aug. 19, 2020
Sichuan University, Chengdu, CN;
East China University of Science and Technology, Shanghai, CN;
Xia Jiang, Chengdu, CN;
Fengli Gan, Chengdu, CN;
Yi Liu, Shanghai, CN;
Yuxiao Sun, Shanghai, CN;
Hualin Wang, Shanghai, CN;
Yafang Han, Shanghai, CN;
SICHUAN UNIVERSITY, Chengdu, CN;
EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY, Shanghai, CN;
Abstract
A treatment system for domestic wastewater, relating to the technical field of wastewater treatment. The treatment system comprises a primary treatment system, a secondary treatment system, and a sludge treatment system; the secondary treatment system comprises a biochemical tank () and a sedimentation tank () that are sequentially connected; the biochemical tank () is connected to the primary treatment system; the secondary treatment system further comprises a second cylcone separator () and a power pump (); one end of the power pump () is connected to a sludge outlet of the sedimentation tank () by means of a pipeline, and the other end of the power pump () is connected to a second feed pipe () of the second cylcone separator (); a second underflow port () is connected to the biochemical tank () by means of the pipeline; a second overflow port () is connected to the sludge treatment system by means of the pipeline. After active sludge is treated by the second cylcone separator (), the activity of the active sludge is increased by at least 15%, thereby improving the utilization rate of a resource, reducing the cost of an overall treatment system, also improving degradation efficiency in the biochemical tank, and facilitating popularization.