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:
Jul. 25, 1995
Filed:
Nov. 05, 1993
Applicant:
Inventor:
Mark Girovich, Baltimore, MD (US);
Assignee:
Bio Gro Systems, Inc., Annapolis, MD (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210770 ; 210751 ; 210609 ; 210764 ; 210774 ; 210742 ;
Abstract
A process for the production of a durable granular or pelletized sludge product is disclosed whereby a minimal amount of high calcium oxide material is utilized for pathogenic stabilization, a portion of the resulting hot mixture being recycled back to the mixing stage to reduce the requisite lime consumption by utilizing unreacted lime, for energy recovery and to increase dryness.