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:
Apr. 24, 2001
Filed:
Mar. 12, 1998
Tetsuro Fukase, Kanagawa, JP;
Hidenari Yasui, Kanagawa, JP;
Kurita Water Industries Ltd., , JP;
Abstract
A powder of magnetized material is added to an aeration chamber, and aeration is conducted. The mixture is then sent to a sedimentation chamber, and solid-liquid separation is conducted. A portion of the precipitated sludge is returned to the aeration chamber as return sludge and reused. Sedimented sludge is highly concentrated, due to the action of the magnetized material. By returning a portion to the aeration chamber as return sludge, the biomass concentration becomes high, and high load operation in the aeration chamber can be achieved.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile