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US 10,881,111 B1Granted
Composition for providing room temperature long-term constant-concentration chlorine dioxide solution in aqueous medium and preparation method thereof
AssigneesNEOCL Co., Ltd., Juno Hyuck Cho
InventorsYong Jun Kim, Jung Hyuck Cho
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Abstract
The present invention provides a composition of long-term constant-concentration aqueous chlorine dioxide solution including dissolved chlorine dioxide, a decomposition inhibitor for dissolved chlorine dioxide, and a pH modifier, and a method for preparing the same.
Claims13
A composition of long-term constant-concentration aqueous chlorine dioxide solution, comprising:
- dissolved chlorine dioxide;
- a decomposition inhibitor for dissolved chlorine dioxide;
- and
- a pH modifier,
- wherein the decomposition inhibitor comprises sodium chlolate, sodium chlorite and sodium hypochlorite,
- wherein the pH modifier comprises sodium dihydrogen phosphate or sodium monohydrogen phosphate,
- wherein the initial content of sodium chlolate and sodium chlorite is less 0.36 or less weight % based on the total weight of the aqueous chlorine dioxide solution, and the initial content of sodium hypochlorite is 0.1 or less weight % based on the total weight of the aqueous chlorine dioxide solution,
- wherein the concentration of the dissolved chlorine dioxide is 2000 or less ppm.
5 more elements
A composition of long-term constant-concentration aqueous chlorine dioxide solution, comprising:
- dissolved chlorine dioxide;
- and
- a decomposition inhibitor comprises chlorate and chlorite,
- wherein the decomposition inhibitor comprises sodium chlolate, sodium chlorite and sodium hypochlorite,
- wherein the initial content of sodium chlolate and sodium chlorite is less 0.36 or less weight % based on the total weight of the aqueous chlorine dioxide solution, and the initial content of sodium hypochlorite is 0.1 or less weight % based on the total weight of the aqueous chlorine dioxide solution,
- wherein the concentration of the dissolved chlorine dioxide is 2000 or less ppm.
3 more elements
Dependencies are inferred from the claim text.