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.

Date of Patent:
Sep. 09, 1980

Filed:

Aug. 24, 1978
Applicant:
Inventors:

Tohru Shimizu, Atsugi, JP;

Hideki Haji, Yokohama, JP;

Fujiaki Mochizuki, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210721 ; 210 51 ; 210 56 ; 210 / ; 210 71 ; 210759 ;
Abstract

A method of dehydrating an organic sludge, which comprises adjusting the pH value of a sludge having a solids concentration in the range of from 0.5 to 8% by weight, to a pH of 5 or less, heating the thus adjusted sludge, mixing with the sludge an oxidizer capable of displaying oxidation ability within the acid region, and dewatering the sludge with a dehydrator.


Find Patent Forward Citations

Shimizu, Tohru. (1980). Method of dehydrating organic sludge (U.S. Patent No. 4221661). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4221661

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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