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4081520 |
High efficiency production of chlorine dioxide by solvay process
The efficiency of the Solvay chlorine dioxide producing process is enhanced by the use of a high total acid normality and a single vessel generator-evaporator-crystallizer.
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4079123 |
Process for the production of chlorine dioxide
An improved process is provided for the production of chlorine dioxide and chlorine wherein an alkali metal chlorate and a strong acid selected from the group sulfuric acid, hydrochloric acid,...
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4075308 |
Production of chlorine dioxide at high efficiency
Chlorine dioxide is produced in a continuous process by reaction of sodium chlorate and hydrochloric acid. The reaction medium is maintained at its boiling point under subatmospheric pressure and...
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4051229 |
Process for manufacturing chlorine dioxide
Chlorine dioxide is generated very efficiently and safely by reducing a chlorate in a strong acid in the presence of a complex catalyst consisting of palladium (II) and a β-diketone.
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4049785 |
Production of chlorine dioxide with product slurry metathesis
An improved process for the production of chlorine dioxide wherein an alkali metal chlorate and a mineral acid are reacted in a single vessel, and the resultant alkali metal salt is converted to a...
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3975506 |
Production of chlorine dioxide
A chlorine dioxide-producing process is provided in which water vapor is used to dilute and remove the chlorine dioxide produced from sodium chlorate and hydrochloric acid from the reaction vessel....
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3933987 |
Simultaneous production of chlorine dioxide and a salt of a strong acid
A process for the production of chlorine dioxide, chlorine and an inorganic salt comprising reacting an aqueous solution of a chlorate with hydrochloric acid under reduced pressure at a temperature...
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3929974 |
Production of chlorine dioxide
A continuous cyclic process for the production of chlorine dioxide includes the formation of a gaseous mixture of chlorine dioxide, chlorine and steam from an aqueous reaction medium containing an...
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3904496 |
Electrolytic production of chlorine dioxide, chlorine, alkali metal hydroxide and hydrogen
Chlorine dioxide, chlorine, alkali metal hydroxide and hydrogen are produced from hydrogen chloride, alkali metal chlorate, alkali metal chloride and water in a three compartment electrolytic cell...
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3904495 |
Electrolytic-electrodialytic and chemical manufacture of chlorine dioxide, chlorine and chloride-free alkali metal hydroxide
Chlorine dioxide, chlorine, alkali metal hydroxide, alkali metal sulfate and hydrogen are made from alkali metal chloride, alkali metal chlorate, hydrogen chloride, sulfuric acid and water in an...
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3884777 |
Electrolytic process for manufacturing chlorine dioxide, hydrogen peroxide, chlorine, alkali metal hydroxide and hydrogen
Chlorine dioxide, hydrogen peroxide, chlorine, alkali metal hydroxide and hydrogen are produced from alkali metal chloride, alkali metal chlorate, sulfuric acid and water, utilizing an electrolytic...
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3864456 |
MANUFACTURE OF CHLORINE DIOXIDE, CHLORINE AND ANHYDROUS SODIUM SULPHATE
A process for generation of chlorine dioxide and chlorine is disclosed in which anhydrous sodium sulphate is produced as a byproduct. Sodium chlorate, sodium chloride and sulphuric acid are charged...
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3864457 |
PROCESS FOR THE PRODUCTION OF CHLORINE DIOXIDE
Disclosed is an improved process for the production of chlorine dioxide by the reaction of an alkali metal chlorate with sulfur dioxide in an acidic medium containing chloride ions. The improvement...
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3852033 |
PROCESS FOR CONTROLLING CHLORATE AND HYDROGEN ION CONTENT IN THE MANUFACTURE OF CHLORINE DIOXIDE FROM ALKALI METAL CHLORATE AND AN INORGANIC ACID
A process for controlling the chlorate and hydrogen ion content of the reaction mixture in the manufacture of chlorine dioxide from alkali metal chlorate and inorganic acid, to improve the yield of...
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3816077 |
CHLORINE DIOXIDE GENERATING SYSTEM
A chlorine dioxide producing system comprising a generator-evaporator-crystallizer reaction tower, a condenser, a chlorine dioxide absorption tower, vacuum producing means, a chlorine absorption...
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3764663 |
CHLORINE DIOXIDE PRODUCTION
A process for the manufacture of chlorine dioxide by the reaction of a non-oxidizable acid with chlorate and a chloride in the presence of a catalyst which is an ammonium salt.
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3607027 |
PROCESS FOR PREPARING CHLORINE DIOXIDE
An improved process for preparing chlorine dioxide is provided wherein the bulk of the reactants are internally produced. The reactants include an aqueous solution of an inorganic chlorate and...
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3594580 |
CHLORINE DIOXIDE PROCESS II
A continuous recyclic process and apparatus for the production of chlorine dioxide from an aqueous chloration solution of gaseous hydrochloride. The hydrogen chloride is formed in situ by...
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3524728 |
CLOSED CYCLE SYSTEM FOR THE GENERATION OF CHLORINE DIOXIDE
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3516790 |
PROCESS AND APPARATUS FOR PREPARING CHLORINE DIOXIDE
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3502443 |
CHLORINE DIOXIDE GENERATOR
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3442778 |
PREPARATION OF CHEMICALS FOR KRAFT PULPING AND BLEACHING AND APPARATUS THEREFOR
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3427236 |
PROCESS FOR THE PREPARATION OF AN ALKALI METAL CHLORATE SOLUTION FOR USE IN A CHLORINE DIOXIDE GENERATION PROCESS
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3404952 |
Process for the preparation of chlorine dioxide
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3341288 |
Production of chlorine dioxide
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3341287 |
Process for the production of chlorine dioxide
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2936219 |
Production of chlorine dioxide
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2866683 |
Manufacture of chlorine dioxide from an alkali metal chlorate and an alkali metal bisulfite
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2863722 |
Chlorine dioxide production
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2861871 |
Process for the manufacture of chlorine dioxide
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2833624 |
Production of chlorine dioxide
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3823225 |
Title is not available
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3810969 |
Title is not available
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3793439 |
Title is not available
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3733395 |
Title is not available
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3563702 |
Title is not available
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3754081 |
Title is not available
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