KR960007442A - Method for preparing an aqueous chlorine dioxide solution containing a large amount of free chlorine dioxide in a strongly acidic aqueous solution of sodium chlorite - Google Patents

Method for preparing an aqueous chlorine dioxide solution containing a large amount of free chlorine dioxide in a strongly acidic aqueous solution of sodium chlorite Download PDF

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Publication number
KR960007442A
KR960007442A KR1019940020002A KR19940020002A KR960007442A KR 960007442 A KR960007442 A KR 960007442A KR 1019940020002 A KR1019940020002 A KR 1019940020002A KR 19940020002 A KR19940020002 A KR 19940020002A KR 960007442 A KR960007442 A KR 960007442A
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South Korea
Prior art keywords
chlorine dioxide
acid
solution
sodium chlorite
preparing
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KR1019940020002A
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Korean (ko)
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유준달
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심경옥
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Priority to KR1019940020002A priority Critical patent/KR960007442A/en
Publication of KR960007442A publication Critical patent/KR960007442A/en

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Abstract

목적 : 본원 발명은 유리 이산화염소의 농도를 최대 약 20000ppm으로 하기 위해 아염소산나트륨의 강산성(pH 1~4)이하에서 이산화염소를 흡수시켜서 유리 이산화염소를 다량함유한 이산화염소 수용액의 제조방법에 관한 것이다.PURPOSE: The present invention relates to a method for preparing an aqueous chlorine dioxide solution containing a large amount of free chlorine dioxide by absorbing chlorine dioxide below the strong acidity (pH 1-4) of sodium chlorite in order to increase the concentration of free chlorine dioxide up to about 20000 ppm. will be.

구성 : 0.1~5.0중량%의 아염소산나트륨 수요액에 0.1~9.0중량%의 무기산 또는 유기산을 가하여 pH가 강산성의 아염소산나트륨 수용액계에 이산화염소를 pH 1~4될 때까지 흡수시켜서 된 이산화염소 수용액을 얻는다.Composition: Aqueous solution of chlorine dioxide obtained by adding 0.1-9.0% by weight of inorganic or organic acid to 0.1-5.0% by weight of sodium chlorite demand solution and absorbing chlorine dioxide into a strong acidic sodium chlorate solution until pH 1-4. Get

Description

아염소산나트륨의 강산성 수용액하에서 다량의 유리 이산화염소를 함유시킨 이산화염소 수용액의 제조방법Method for preparing an aqueous chlorine dioxide solution containing a large amount of free chlorine dioxide in a strongly acidic aqueous solution of sodium chlorite

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (5)

0.1~5.0중량%의 아염소산나트륨 수요액에 0.1~9.0중량%의 무기산 또는 유기산을 가하여 pH가 강산성의 아염소산나트륨 수용액계에 이산화염소를 pH 1~4될 때까지 흡수시켜서 된 이산화염소 수용액의 제조방법.Preparation of an aqueous solution of chlorine dioxide by adding 0.1 to 9.0% by weight of inorganic or organic acid to 0.1 to 5.0% by weight of sodium chlorite demand solution and then absorbing chlorine dioxide into a strong acidic sodium chlorate solution until pH 1 to 4 Way. 제1항에 있어서, 수용액중에 유리 이산화염소의 농도가 최대 약 20000ppm 이하임을 특징으로 하는 이산화염소 수용액의 제조방법.The method of claim 1, wherein the concentration of free chlorine dioxide in the aqueous solution is at most about 20000 ppm or less. 제1항에 있어서, 유기산은 초산 또는 구연산 또는 말레인산의 유기옥시카르본산임을 특징으로 하는 이산화염소 수용액의 제조방법.The method of claim 1, wherein the organic acid is an organic oxycarboxylic acid of acetic acid or citric acid or maleic acid. 제1항에 있어서, 무기산은 황산 또는, 염산 또는, 인산임을 특징으로 하는 이산화염소 수용액의 제조방법.The method of claim 1, wherein the inorganic acid is sulfuric acid, hydrochloric acid, or phosphoric acid. 제1항에 있어서, pH가 강산성이란 pH 1~4 범위임을 특징으로 하는 이산화염소 수용액의 제조방법.The method of claim 1, wherein the pH is in the range of pH 1-4 is strongly acidic. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940020002A 1994-08-13 1994-08-13 Method for preparing an aqueous chlorine dioxide solution containing a large amount of free chlorine dioxide in a strongly acidic aqueous solution of sodium chlorite KR960007442A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940020002A KR960007442A (en) 1994-08-13 1994-08-13 Method for preparing an aqueous chlorine dioxide solution containing a large amount of free chlorine dioxide in a strongly acidic aqueous solution of sodium chlorite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940020002A KR960007442A (en) 1994-08-13 1994-08-13 Method for preparing an aqueous chlorine dioxide solution containing a large amount of free chlorine dioxide in a strongly acidic aqueous solution of sodium chlorite

Publications (1)

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KR960007442A true KR960007442A (en) 1996-03-22

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KR1019940020002A KR960007442A (en) 1994-08-13 1994-08-13 Method for preparing an aqueous chlorine dioxide solution containing a large amount of free chlorine dioxide in a strongly acidic aqueous solution of sodium chlorite

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