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. 02, 1996
Filed:
Aug. 30, 1994
Applicant:
Inventors:
Paul J Williams, Cheshire, GB;
Susan Tolkien, Cheshire, GB;
Assignee:
Nalco Limited, Cheshire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210727 ; 210728 ; 210736 ; 210903 ; 210906 ; 210735 ;
Abstract
The present invention provides a method for purifying agricultural waste. The method includes the steps of adding effective amounts of at least one polymer flocculent, at least one coagulant, and at least one precipitant. The combined effect of the various components of the present invention not only purifies the agricultural waste but also yields a dewatered organic mass for composting to act as a peat replacement.