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.:

US 6800203 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 05, 2004

Filed:

May. 29, 2002
Applicant:
Inventors:

Baohua Gu, Oak Ridge, TN (US);

David R. Cole, Knoxville, TN (US);

Gilbert M. Brown, Knoxville, TN (US);

Assignee:

U.T. Battelle, Oak Ridge, TN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/28 ; C02F 1/70 ;
U.S. Cl.
CPC ...
C02F 1/28 ; C02F 1/70 ;
Abstract

A method is described to decompose perchlorate in a FeCl /HCl aqueous solution such as would be used to regenerate an anion exchange resin used to remove perchlorate. The solution is mixed with a reducing agent, preferably an organic alcohol and/or ferrous chloride, and can be heated to accelerate the decomposition of perchlorate. Lower temperatures may be employed if a catalyst is added.


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Gu, Baohua. (2004). Catalytic destruction of perchlorate in ferric chloride and hydrochloric acid solution with control of temperature, pressure and chemical reagents (U.S. Patent No. 6800203). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6800203

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