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Eka Nobel Inc. Patents
Assignee:
Eka Nobel Inc.
Address:
Marietta, GA
No. of patents:
11
Patents:












Patent Number Title Of Patent Date Issued
5858322 Process of producing chlorine dioxide January 12, 1999
The invention relates to a process of producing chlorine dioxide comprising the steps: Providing a reactor with an aqueous acidic reaction medium containing alkali metal chlorate and sulfate; reducing chlorate ions in said reaction medium to form chlorine dioxide; maintaining the reactio
5770171 Process for production of chlorine dioxide June 23, 1998
A process for production of chlorine dioxide which is substantially free of by product chlorine. Chlorine-dioxide is produced from an alkali metal chlorate, a mineral acid and a reducing agent such as methanol in a reaction medium maintained at an acid normality of less than 9 and with a
5641530 Method of disinfection June 24, 1997
A method of disinfection of foodstuff involving the use of hydrogen peroxide in combination with anti-microbial agents selected from the group consisting of benzoic acid, and phosphoric acid, at low concentration, to substantially reduce the microbial count in food-related application.
5624545 Production of polysulphide by electrolysis of white liquor containing sulphide April 29, 1997
Sulphide-containing white liquor is treated in a continuously operating electrolytic cell having separate anode and cathode compartments separated by a partially permeable barrier. White liquor is introduced into the anode compartment of the cell, and an aqueous solution of alkali metal
5523072 Process of producing chlorine dioxide June 4, 1996
Disclosed is a process of producing chlorine dioxide having the steps of providing a reactor with an aqueous acidic reaction medium containing alkali metal chlorate and phosphate; reducing chlorate ions in the reaction medium to form chlorine dioxide; withdrawing chlorine dioxide gas
5487881 Process of producing chlorine dioxide January 30, 1996
The invention relates to a process of producing chlorine dioxide using, in a first alternative atmospheric pressure and hydrogen peroxide in the reaction medium optionally with an electrolytic cell. In a second alternative, either atmospheric or subatmospheric pressure is used in the
5486344 Method of producing chlorine dioxide January 23, 1996
The invention relates to a method of producing chlorine dioxide, which method comprises reacting chloric acid with hydrogen peroxide as a reducing agent in such proportions that chlorine dioxide is produced.
5478446 Electrochemical process December 26, 1995
The invention relates to a method of producing an acidified aqueous solution containing alkali metal sulfate and chlorate comprising the steps of introducing an aqueous solution containing alkali metal sulfate and chlorate into an electrochemical cell and electrochemically increasing the
5470480 Process for treating waste water effluent November 28, 1995
Waste water effluent streams are treated with hydrogen peroxide and ultraviolet radiation. Hydroxyl ions formed by action of UV on H.sub.2 O.sub.2 reduces BOD, COD, AOX and color in effluent. In the case of pulp mill effluent, some or all of the effluent can then be recycled to the p
5380517 Process for continuously producing chlorine dioxide January 10, 1995
A process for continuously producing chlorine dioxide by reacting an alkali metal chlorate, sulfuric acid or another chlorine free mineral acid and hydrogen peroxide as reducing agent to produce chlorine dioxide in an aqueous reaction medium. In the process chlorine dioxide is generated
5273733 Process for the production of chlorine dioxide December 28, 1993
A process for the production of chlorine dioxide by reacting at least one of chloric acid and an alkali metal chlorate, and hydrogen peroxide as the reducing agent in such proportions that chlorine dioxide is produced in a reaction medium. A mixture comprising chlorine dioxide and oxygen

 
 
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