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:
Feb. 18, 1997
Filed:
May. 26, 1995
Applicant:
Inventors:
Manoranjan Misra, Reno, NV (US);
Deba C Nayak, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; C02F / ;
U.S. Cl.
CPC ...
210665 ; 210669 ; 210679 ; 210683 ; 210911 ;
Abstract
A process for removing selenium and/or arsenic from aqueous streams including industrial process waters and drinking water is provided comprising contacting the stream with a composition comprising lanthanum oxide whereby selenium and/or arsenic are adsorbed. Preferred compositions comprise lanthanum oxide and alumina.