CA2045624A1 - Appareil servant a la fabrication de bioxyde de chlore et methode connexe - Google Patents

Appareil servant a la fabrication de bioxyde de chlore et methode connexe

Info

Publication number
CA2045624A1
CA2045624A1 CA2045624A CA2045624A CA2045624A1 CA 2045624 A1 CA2045624 A1 CA 2045624A1 CA 2045624 A CA2045624 A CA 2045624A CA 2045624 A CA2045624 A CA 2045624A CA 2045624 A1 CA2045624 A1 CA 2045624A1
Authority
CA
Canada
Prior art keywords
chlorine dioxide
gas
chlorine
contacting
thiosulfate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2045624A
Other languages
English (en)
Other versions
CA2045624C (fr
Inventor
Joseph E. Knapp
Dianne Battisti
Badie Morsi
Aaron A. Rosenblatt
David H. Rosenblatt
David Feldman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson and Johnson
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2045624A1 publication Critical patent/CA2045624A1/fr
Application granted granted Critical
Publication of CA2045624C publication Critical patent/CA2045624C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B11/00—Oxides or oxyacids of halogens; Salts thereof
    • C01B11/02—Oxides of chlorine
    • C01B11/022—Chlorine dioxide (ClO2)
    • C01B11/023—Preparation from chlorites or chlorates
    • C01B11/024—Preparation from chlorites or chlorates from chlorites

Abstract

Le procédé et l'appareil décrits servent dans la production, l'utilisation et l'élimination de dioxyde de chlore. Une composition de chlorite de sodium solide contenant des impuretés, dont au moins une est de l'hydroxyde de sodium, est mise en contact avec un agent consumant essentiellement tout l'hydroxyde de sodium. On produit ensuite du gaz de dioxyde de chlore en mettant en contact la composition qui en résulte avec du chlore dans un gaz véhicule inerte humidifié. On peut ensuite traiter le mélange de gaz de dioxyde de chlore qui en résulte pour en extraire le gaz de chlore qui y est présent en mettant en contact celui-ci avec de la chaux sodée sous forme particulaire. Après avoir utilisé le mélange de gaz de dioxyde de chlore de la façon désirée, le dioxyde de chlore présent dans le gaz effluent épuisé peut être éliminé par l'introduction du gaz effluent dans une solution aqueuse de thiosulfate de sodium ayant une quantité suffisante d'une base inorganique pour maintenir l'alcalinité de la solution pendant la consommation du thiosulfate par le dioxyde de chlore.
CA002045624A 1989-09-14 1990-09-17 Appareil servant a la fabrication de bioxyde de chlore et methode connexe Expired - Lifetime CA2045624C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/408,153 US5110580A (en) 1989-09-14 1989-09-14 Method and apparatus for chlorine dioxide manufacture
US07/408,153 1989-09-15
PCT/US1990/005285 WO1991004091A1 (fr) 1989-09-14 1990-09-17 Procede et appareil de production de dioxyde de chlore

Publications (2)

Publication Number Publication Date
CA2045624A1 true CA2045624A1 (fr) 1991-03-16
CA2045624C CA2045624C (fr) 2001-01-23

Family

ID=23615071

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002045624A Expired - Lifetime CA2045624C (fr) 1989-09-14 1990-09-17 Appareil servant a la fabrication de bioxyde de chlore et methode connexe

Country Status (9)

Country Link
US (3) US5110580A (fr)
EP (1) EP0448659B1 (fr)
AT (1) ATE148366T1 (fr)
AU (5) AU642432B2 (fr)
CA (1) CA2045624C (fr)
DE (1) DE69029852T2 (fr)
DK (1) DK0448659T3 (fr)
ES (1) ES2100890T3 (fr)
WO (1) WO1991004091A1 (fr)

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US7695692B2 (en) * 2003-08-06 2010-04-13 Sanderson William D Apparatus and method for producing chlorine dioxide
US20090008238A1 (en) * 2004-04-09 2009-01-08 The Arizona Bd Of Reg On Behalf Of The Univ Of Az Transportable gas sterilization unit, disposable gas generator, light activated anti-infective coating and method of disinfection and sterilization using chlorine dioxide
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US7571676B2 (en) * 2004-11-19 2009-08-11 Purdue Research Foundation Apparatus and method for reducing microorganisms on produce using chlorine dioxide gas
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CA2957194C (fr) 2005-11-14 2021-09-07 Cdg Technology Inc. Procede de reduction de la charge bacterienne, virale ou fongique grace au dioxyde de chlore
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US20090232903A1 (en) * 2005-12-16 2009-09-17 Sanderson William D Biocide compositions
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KR20100107465A (ko) * 2008-01-23 2010-10-05 다이꼬 야꾸힝 가부시끼가이샤 이산화염소 액제 조성물
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CN103502141B (zh) * 2011-05-31 2016-06-29 株式会社大阪曹达 二氧化氯剂及二氧化氯的生成方法
DE102012207472C5 (de) * 2012-05-04 2018-05-03 Fritz Küke Vorrichtung und Verfahren zur Herstellung wässriger Chlordioxidlösungen sowie Vorratseinheiten und Kits zur entsprechenden Verwendung
CN104995132B (zh) * 2013-02-05 2017-03-15 大幸药品株式会社 二氧化氯气体的捕捉方法、浓度测定方法及捕捉剂
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CN109689116A (zh) 2016-08-26 2019-04-26 化学处理公司 包括医疗器械和牙科器械的工件的灭菌或消毒
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CN113440881B (zh) * 2021-07-02 2022-06-03 金宏气体电子材料（淮安）有限责任公司 一种用于电子级气体提纯装置的安全环保停车方法

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Also Published As

Publication number Publication date
ES2100890T3 (es) 1997-07-01
WO1991004091A1 (fr) 1991-04-04
AU685691B2 (en) 1998-01-22
AU4138693A (en) 1993-09-30
DE69029852D1 (de) 1997-03-13
ATE148366T1 (de) 1997-02-15
AU642432B2 (en) 1993-10-21
US5110580A (en) 1992-05-05
AU642092B2 (en) 1993-10-07
DE69029852T2 (de) 1997-06-05
AU7296294A (en) 1994-11-17
EP0448659A1 (fr) 1991-10-02
US5290524A (en) 1994-03-01
DK0448659T3 (da) 1997-06-16
EP0448659A4 (en) 1993-01-07
EP0448659B1 (fr) 1997-01-29
AU670392B2 (en) 1996-07-11
CA2045624C (fr) 2001-01-23
AU655727B2 (en) 1995-01-05
AU6402790A (en) 1991-04-18
AU4041095A (en) 1996-03-07
AU2080592A (en) 1992-10-08
US5326546A (en) 1994-07-05

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121202