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:
Jan. 19, 1993
Filed:
Oct. 05, 1990
Applicant:
Inventors:
Makoto Yamaguchi, Tokyo, JP;
John Hake, Oakland, CA (US);
Kazuo Okamura, Tokyo, JP;
Kiyoshi Minami, Tokyo, JP;
Assignee:
Shimizu Construction Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210603 ; 210614 ; 210739 ;
Abstract
A method for monitoring and regulating waste water treatment by anaerobic fermentation by measuring enzymatic activity or adenosine triphosphate (ATP) concentration. The method provides for earlier detection of abnormal fermentation conditions and allows adjustment of controllable variables prior to the appearance of abnormal effluents. Also described is an apparatus for controlling waste water treatment by a device which continuously measures the enzyme or ATP concentration in the treated water.