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. 08, 1993
Filed:
Dec. 17, 1991
Applicant:
Inventors:
Steven P Duncan, Taylorsville, UT (US);
Robert C Emmett, Jr, Salt Lake City, UT (US);
Gunter H Brox, Salt Lake City, UT (US);
William J Grove, Jr, Salt Lake City, UT (US);
Douglas E Hanify, West Valley City, UT (US);
Assignee:
Baker Hughes Incorporated, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ; C02F / ;
U.S. Cl.
CPC ...
210620 ; 210629 ; 210194 ; 210197 ; 210201 ; 210218 ; 210219 ; 210220 ; 435262 ; 435264 ;
Abstract
A transportable apparatus for biological treatment of a slurry of contaminated materials, including a series of square reactor cells having substantially parabolic lower portions, set at the same elevation and communicating in series. Gas diffusers are placed in each cell for aerating and mixing the slurry, and an airlift slurry transport system is employed for recirculating the slurry. The apparatus also has applicability to the treatment of water and waste water.