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. 03, 2015
Filed:
Aug. 22, 2008
Katherine Huddersman, Leicester, GB;
Katherine Huddersman, Leicester, GB;
De Montfort University, , GB;
Abstract
The present invention provides a method for preparing a fibrous catalyst for the treatment of a waste stream, the method comprising the steps of: (i) treating a fabric comprising polyacrylonitrile fibers with a hydrazine salt and a hydroxylamine salt in the presence of a base to provide a modified fabric; (ii) treating the modified fabric with a base; and (iii) treating the modified fabric with an aqueous solution comprising a sulfate salt of a first metal cation and a salt of a second metal cation, wherein the first metal cation is selected from an iron and nickel cation, and mixtures thereof, and wherein the second metal cation is selected from a lithium, sodium, potassium, rubidium, caesium, beryllium, magnesium, calcium, strontium, barium, zinc, cadmium, mercury, aluminum, gallium, indium, thallium, tin, lead, antimony and bismuth cation, and mixtures thereof.