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. 05, 2001
Filed:
May. 04, 2000
Applicant:
Inventors:
Terrence J. Collins, Pittsburgh, PA (US);
Colin P. Horwitz, Pittsburgh, PA (US);
Assignee:
Carnegie Mellon University, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06L 3/02 ; D06L 3/06 ; C01B 1/500 ; C01B 1/5055 ; C11D 3/39 ;
U.S. Cl.
CPC ...
D06L 3/02 ; D06L 3/06 ; C01B 1/500 ; C01B 1/5055 ; C11D 3/39 ;
Abstract
The invention provides a novel composition and method for removing or reducing levels of recalcitrant constituents from an effluent, such as lignin chromophores, AOX species, such as chlorinated phenols, dioxins, dibenzofurans, biphenyls, and high molecular weight material produced in the pulp and paper bleaching operations which includes using a composition comprised of (a) an amount of a source of an oxidant effective for oxidizing and thereby reducing the levels of such constituents and (b) an oxidatively stable oxidant activator having the structure