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:
Aug. 09, 1988
Filed:
Mar. 19, 1987
Kurita Water Industries Ltd., Tokyo, JP;
Abstract
Disclosed is an anaerobic fluidized bed which comprises a fluidized bed type reaction tank, a bed of fluidized carries in the reaction tank, and means for recycling a part of treated water from the upper portion of the reaction tank to the lower portion of the same. The reaction tank has raw wastewater introduction means at the lower portion, treated water removing means and produced gas exhaust means at the upper portion. The bed is formed by filling in the reaction tank with granular carriers not larger than 300 .mu.m in diameter and not smaller than 1.1 in specific gravity, and is established so that the ratio h/H of the initial bed height h to the reaction tank effective height H is within a range of from 0.05 to 0.3.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile