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:
Jun. 11, 1985
Filed:
Feb. 10, 1984
Applicant:
Inventors:
Masahiko Ishida, Hitachi, JP;
Ryoichi Haga, Hitachi, JP;
Assignee:
The Agency of Industrial Science and Technology, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210603 ; 210610 ;
Abstract
The present invention relates to a treatment process of anaerobically digesting organic wastes under an anaerobic condition for recovering methane from the organic wastes by fermentation effect of anaerobic bacteria. This treatment process is carried out by the charging organic wastes of 50.about.70% water content and seed digestives alternately in strata in a digestion tank and then keeping the interior of said digestion tank under an anaerobic condition.