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. 26, 1977
Filed:
Jul. 14, 1976
Applicant:
Inventor:
Eugene P Di Bella, Piscataway, NJ (US);
Assignee:
Tenneco Chemicals, Inc., Saddle Brook, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ;
U.S. Cl.
CPC ...
75108 ; 75 / ; 75121 ; 75117 ;
Abstract
A process for the removal of mercury from aqueous solutions that have dissolved therein mercuric salts, organomercury compounds, or mixtures thereof comprises (a) contacting the solutions with an amount of hypophosphorus acid, phosphorous acid, or a water-soluble salt of hypophosphorus acid or phosphorous acid that is sufficient to reduce the mercuric and organomercuric ions in the solution to mercury and (b) separating the precipitated mercury from the solution.