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:
Nov. 20, 1990
Filed:
Aug. 22, 1989
Applicant:
Inventor:
Russell Renk, Laramie, WY (US);
Assignee:
Western Research Institute, Laramie, WY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210684 ; 210912 ;
Abstract
Selenium can be removed from wastewater by contacting the wastewater with an adsorbent which is fly ash, peat moss, or a mixture thereof. The treated wastewater can then be discharged to the ground, and the spent adsorbent can be used as landfill or to enrich soils which are depleted in selenium.