Composition for generating chlorine dioxide

A chlorine dioxide and composition technology, applied in the fields that need research, disinfection and deodorization, can solve problems such as uneconomical installation and use of generators

Inactive Publication Date: 2004-03-17
OCCIDENTAL CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention makes it possible to use chlorine dioxide for treatment where the unique efficacy of the product is attractive but the amount used is too small to be economical to install and use a generator

Method used

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  • Composition for generating chlorine dioxide
  • Composition for generating chlorine dioxide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment A

[0111] Supplied in a separate container

[0112] container 1

[0113] 4 g sodium bisulfate and

[0114] 1.14g lithium hypochlorite (25%)

[0115] container 2

[0116] 3.36ml 25% sodium chlorite in water

[0117] When the contents of container 1 and container 2 are added to a gallon of water, they will produce 150 ppm chlorine dioxide with a pH of 3.5.

Embodiment B

[0119] Supplied in a separate container

[0120] container 1

[0121] 40.0g sodium bisulfate and

[0122] 11.4g lithium hypochlorite (25%)

[0123] container 2

[0124] 33.6ml 25% sodium chlorite in water

[0125] When the contents of container 1 and container 2 are added to a gallon of water, they will produce 300 ppm chlorine dioxide with a pH of 3.8.

Embodiment C

[0127] To prepare a dilute solution of chlorine dioxide at 150-300 ppm per gallon of water, first make a "dry and wet" formulation of an activator mix containing 4 g sodium bisulfate and 1.14 g lithium hypochlorite (25%) per gallon of water completely dissolved. After complete dissolution, add 3.36 ml of 25% sodium chlorite in water per gallon of water. After complete mixing, the concentration of chlorine dioxide was 150 ppm and the pH of the solution was 3.5. The amount of reactants used to prepare the 150 ppm solution was doubled to obtain a 300 ppm chlorine dioxide solution.

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PUM

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Abstract

A dry disinfectant composition for the production of aqueous solutions of chlorine dioxide of predetermined concentration is formulated of a mixture of lithium hypochlorite, sodium bisulfate and sodium chlorite. Special liquid and dry formulations are also contemplated for convenience of use, for quality assurance and for safety.

Description

[0001] related application [0002] This application is a continuation-in-part of my prior application (Serial No. 09 / 257,627, filed February 25, 1999). field of invention [0003] The present invention can be applied to fields where chlorine dioxide is generally used, especially fields of disinfection and deodorization, and fields requiring research. Background of the invention [0004] The present inventors have been developing solid mixed formulations capable of preparing small quantities (usually one liter, but up to 300 mg / l) of various repeatable and reproducible concentrations up to and exceeding 3,000 mg / l gallons or more) of chlorine dioxide in water. Additionally, the inventors have developed dry and wet formulations for enhanced applications. [0005] prior art patents [0006] The chemistry of producing chlorine dioxide from dry components is well known and is the subject of at least two patents, U.S. No. 5,399,288 and U.S. No. 4,104,190. [0007] Marzouk et ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/00A23B7/157A61K33/00A61K33/14A61K33/40C01B11/02C02F1/76
CPCA61K33/00C02F1/76C01B11/024A61K33/14A61K33/40A23B7/157A01N59/00C02F2303/04A01N59/02A01N25/34A01N25/02A01N2300/00A61K2300/00
Inventor 安东尼·R·皮托凯利
Owner OCCIDENTAL CHEM CORP
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