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:
Oct. 27, 1992
Filed:
Feb. 25, 1991
Applicant:
Inventor:
Mark Y Kigel, East Brunswick, NJ (US);
Assignee:
Envar Services, Inc., Cranford, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ; C02F / ; C02F / ;
U.S. Cl.
CPC ...
210713 ; 210721 ; 210726 ; 210738 ; 210803 ; 210805 ; 210197 ; 210912 ;
Abstract
A process and associated apparatus for removing contaminants such as heavy metals from contaminated water, waste water, sludge or flushed soil elutriates, or leachates. The remediation method utilizes a combination of chemical oxidation/reduction reactions and physical separation techniques employing a pseudofluidized bed and is carried out in a unitary reactor comprising zones for activation, flocculation and phase separation.