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8168153 |
Process for the production of chlorine dioxide
The invention concerns a process for the production of chlorine dioxide comprising generating chlorine dioxide in an aqueous reaction medium in a reaction vessel maintained at super-atmospheric...
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7645436 |
Tractable metal oxide sols and nanocomposites therefrom
Tractable metal oxide sols are made by combining at least one metal oxide compound, at least one organofunctional silane, at least one boron oxide compound, and a liquid, or metal oxide sols are...
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6921521 |
Method of producing chlorine dioxide employs alkaline chlorate in a mineral acid medium and urea as a reducing agent
A method of producing chlorine dioxide (ClO2) is described which employs Urea as a reducing agent to reduce alkaline chlorate (NaClO3 or KClO3) in a mineral acid medium. The method of the invention...
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6287533 |
Production of chlorine dioxide by chemical reduction of ammonium chlorate in aqueous acidic solution
A novel method is described whereby chlorine dioxide is produced through the chemical reduction of ammonium chlorate in an aqueous acidic solution. The reduction reaction takes place at elevated...
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5770171 |
Process for production of chlorine dioxide
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...
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5593653 |
Metathesis of acidic by-product of chlorine dioxide generating process
Sodium sesquisulfate produced in crystalline form in a high acidity highly efficient chlorine dioxide generating process is converted by metathesis to crystalline anhydrous neutral sodium sulfate...
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5378447 |
Method for the preparation of chlorates from waste gas streams obtained from the production of chlorine dioxide
A process is disclosed for producing a dilute solution of an alkali or alkaline earth metal chlorate from a chlorine and carbon dioxide waste gaseous stream. The process of the invention can be...
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5376350 |
Plug flow process for the production of chlorine dioxide
A plug flow process for the production of chlorine dioxide by reacting chloric acid and/or an alkali metal chlorate, optionally a mineral acid and a reducing agent in such proportions that chlorine...
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5154910 |
Process for the production of chlorine dioxide
A process for the production of essentially chlorine free chlorine dioxide whereby a flow of chlorine dioxide obtained from reduction of alkali metal chlorate and containing by-product of chlorine...
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5110581 |
Chlorine dioxide generation
A process for the generation of chlorine dioxide from an alkali metal chlorate is provided that employs a waste sulphuric acid containing oxidizable organic material. Alkylation waste sulphuric...
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5066477 |
Production of chlorine dioxide
Chlorine dioxide is produced from sodium chlorate, sulphuric acid and methanol at the boiling point of the reaction medium under a subatmospheric pressure applied to a reaction zone. High purity of...
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5002746 |
Process for production of chlorine dioxide
The present invention relates to a process for production of chlorine dioxide by reacting in a reaction vessel an alkali metal chlorate, a mineral acid and methanol as a reducing agent in...
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4986973 |
Process for the production of chlorine dioxide
A process for producing chlorine dioxide by reacting in a reaction vessel an alkali metal chlorate, mineral acid and a reducing agent in such proportions that chlorine dioxide is produced in a...
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4931268 |
Production of chlorine dioxide
Chlorine dioxide is generated at high efficiency from feeds of chlorate cell liquor, sulphuric acid and methanol by a hybrid of reaction of sodium chlorate with sulphuric acid and methanol and...
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4929434 |
Catalytic generation of chlorine dioxide
A process for producing chlorine dioxide by reducing a chlorate in sulphuric acid of at least 4N with a reducing agent. An oxygen containing organic compound is introduced into the process.
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4609472 |
Process for removal of alkali metal chlorate from alkali metal chloride brines
A process for removing chlorate ions from an impure alkali metal chloride brine removed from an electrolytic cell comprises acidifying the impure brine to a pH of less than about 2. The acidified...
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4578261 |
Method to reduce the potential salt cake content of chlorine dioxide generator spent acids
A method of generating chlorine dioxide that comprises forming chloric acid by the action of sulphuric acid on a chlorate in a generator in the liquid phase. The chloric acid is reduced to produce...
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4473540 |
High efficiency chlorine dioxide process
Chlorine dioxide is formed at high efficiency from a solution of acid sodium chlorate at high sulphuric acid normality to which methanol is fed. The reaction medium is at its boiling point under a...
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4465658 |
Chlorine dioxide process
Chlorine dioxide is formed at high efficiency from a solution of acid sodium chlorate at high sulphuric acid normality in excess of 9 normal to which methanol is fed. The reaction medium is at its...
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4325934 |
Production of chlorine dioxide with conversion of by-product solid phase sodium acid sulphate to its neutral form
A highly efficient chlorine dioxide generating process which produces chlorine-free chlorine dioxide and neutral solid phase sodium sulphate from sodium chlorate, sulphuric acid and methanol is...
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4201687 |
Chloroimide fabric bleaches
A fabric bleaching composition is provided which consists essentially of water and a bleach selected from the group consisting of disodium chloroimidodisulfate, dipotassium chloroimidodisulfate and...
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4156713 |
Production of chlorine dioxide
There is provided an improved process for the production of chlorine dioxide wherein an alkali metal chlorate a reducing agent, and a mineral acid are reacted in a vessel, and the salt crystals are...
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4154809 |
High efficiency chlorine dioxide production using HCl as acid and methanol addition
The efficiency of a low actual hydrogen ion concentration chlorine dioxide producing process in which a chlorate and hydrochloric acid or hydrogen chloride are fed to a reaction medium in a single...
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4115217 |
Process for electrolytic preparation of chlorites
This invention relates to a process for the preparation of chlorite from chlorate.
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4105751 |
Process and installation for the manufacture of chlorine dioxide
Chlorine dioxide is manufactured by reducing an alkali metal chlorate in an acid medium by means of a gaseous or liquid reducing agent in at least one production reactor, with recycling of the tail...
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3828097 |
PROCESS FOR THE PREPARATION OF CHLOROUS ACID
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3695839 |
PROCESS OF PRODUCING CHLORINE DIOXIDE
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3754079 |
PROCESS OF PREPARING CHLORINE DIOXIDE
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3322497 |
Process for the production of diluted chlorine dioxide
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3058808 |
Production of chlorine dioxide
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2881052 |
Production of chlorine dioxide
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2834649 |
Manufacture of chlorine dioxide
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