NO309321B1 - Fremgangsmåte ved kontinuerlig fremstilling av klordioksyd - Google Patents

Fremgangsmåte ved kontinuerlig fremstilling av klordioksyd Download PDF

Info

Publication number: NO309321B1
Authority: NO; Norway
Prior art keywords: chlorine dioxide; chlorate; alkali metal; reaction vessel; reaction
Prior art date: 1990-08-31

Application number

NO913343A

Other languages

English (en)

Norwegian (no)

Other versions

NO913343L (no

NO913343D0 (no

Inventor

Joergen Engstroem

Maria Norell

Original Assignee

Eka Nobel Ab

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.)

1990-08-31

Filing date

1991-08-26

Publication date

2001-01-15

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20380261&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO309321(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1991-08-26 Application filed by Eka Nobel Ab filed Critical Eka Nobel Ab

1991-08-26 Publication of NO913343D0 publication Critical patent/NO913343D0/no

1992-03-02 Publication of NO913343L publication Critical patent/NO913343L/no

2001-01-15 Publication of NO309321B1 publication Critical patent/NO309321B1/no

Links

OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 title claims abstract description 70
239000004155 Chlorine dioxide Substances 0.000 title claims abstract description 35
235000019398 chlorine dioxide Nutrition 0.000 title claims abstract description 35
238000000034 method Methods 0.000 title claims abstract description 33
238000010924 continuous production Methods 0.000 title claims 2
XTEGARKTQYYJKE-UHFFFAOYSA-M chlorate Inorganic materials [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 claims abstract description 46
238000006243 chemical reaction Methods 0.000 claims abstract description 32
239000002253 acid Substances 0.000 claims abstract description 27
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 26
239000003638 chemical reducing agent Substances 0.000 claims abstract description 22
-1 alkali metal chlorate Chemical class 0.000 claims abstract description 14
229910052783 alkali metal Inorganic materials 0.000 claims abstract description 12
239000012429 reaction media Substances 0.000 claims abstract description 11
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
229910001868 water Inorganic materials 0.000 claims abstract description 8
239000001301 oxygen Substances 0.000 claims abstract description 7
229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 6
229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 6
239000011707 mineral Substances 0.000 claims abstract description 6
238000002425 crystallisation Methods 0.000 claims abstract description 5
230000008025 crystallization Effects 0.000 claims abstract description 5
229910052936 alkali metal sulfate Inorganic materials 0.000 claims abstract description 3
238000001704 evaporation Methods 0.000 claims abstract 3
230000008020 evaporation Effects 0.000 claims abstract 2
239000000203 mixture Substances 0.000 claims abstract 2
229910001514 alkali metal chloride Inorganic materials 0.000 claims description 8
239000003054 catalyst Substances 0.000 claims description 8
239000007844 bleaching agent Substances 0.000 claims description 4
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
150000001340 alkali metals Chemical class 0.000 claims description 2
229910052708 sodium Inorganic materials 0.000 claims description 2
239000011734 sodium Substances 0.000 claims description 2
238000004519 manufacturing process Methods 0.000 abstract description 18
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 33
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 14
239000006227 byproduct Substances 0.000 description 11
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 10
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
239000000460 chlorine Substances 0.000 description 8
229910052801 chlorine Inorganic materials 0.000 description 8
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 7
150000003839 salts Chemical class 0.000 description 7
238000004061 bleaching Methods 0.000 description 6
230000007935 neutral effect Effects 0.000 description 6
239000000243 solution Substances 0.000 description 5
BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
239000011780 sodium chloride Substances 0.000 description 4
KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 3
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
241001274216 Naso Species 0.000 description 3
239000007864 aqueous solution Substances 0.000 description 3
QAOWNCQODCNURD-UHFFFAOYSA-M bisulphate group Chemical group S([O-])(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 3
238000009835 boiling Methods 0.000 description 3
229910052739 hydrogen Inorganic materials 0.000 description 3
229910052753 mercury Inorganic materials 0.000 description 3
OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
150000008043 acidic salts Chemical class 0.000 description 2
150000002148 esters Chemical class 0.000 description 2
235000019253 formic acid Nutrition 0.000 description 2
IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
229910000342 sodium bisulfate Inorganic materials 0.000 description 2
235000011149 sulphuric acid Nutrition 0.000 description 2
BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
229920001131 Pulp (paper) Polymers 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
150000002170 ethers Chemical class 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
239000007789 gas Substances 0.000 description 1
239000004519 grease Substances 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910000041 hydrogen chloride Inorganic materials 0.000 description 1
239000010842 industrial wastewater Substances 0.000 description 1
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
229910052750 molybdenum Inorganic materials 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
230000003472 neutralizing effect Effects 0.000 description 1
150000002894 organic compounds Chemical class 0.000 description 1
150000002926 oxygen Chemical class 0.000 description 1
229910052763 palladium Inorganic materials 0.000 description 1
229910052697 platinum Inorganic materials 0.000 description 1
239000000376 reactant Substances 0.000 description 1
238000007086 side reaction Methods 0.000 description 1
229910052709 silver Inorganic materials 0.000 description 1
239000004332 silver Substances 0.000 description 1
150000005846 sugar alcohols Chemical class 0.000 description 1
229910052720 vanadium Inorganic materials 0.000 description 1
LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- 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
- C01B11/026—Preparation from chlorites or chlorates from chlorate ions in the presence of a peroxidic compound, e.g. hydrogen peroxide, ozone, peroxysulfates
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites

Landscapes

Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
General Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Inorganic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Saccharide Compounds (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Ultra Sonic Daignosis Equipment (AREA)
Paper (AREA)
Physical Or Chemical Processes And Apparatus (AREA)
Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Catalysts (AREA)

NO913343A 1990-08-31 1991-08-26 Fremgangsmåte ved kontinuerlig fremstilling av klordioksyd NO309321B1 (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE9002801A SE500042C2 (sv)	1990-08-31	1990-08-31	Förfarande för kontinuerlig framställning av klordioxid

Publications (3)

Publication Number	Publication Date
NO913343D0 NO913343D0 (no)	1991-08-26
NO913343L NO913343L (no)	1992-03-02
NO309321B1 true NO309321B1 (no)	2001-01-15

Family

ID=20380261

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO913343A NO309321B1 (no)	1990-08-31	1991-08-26	Fremgangsmåte ved kontinuerlig fremstilling av klordioksyd

Country Status (11)

Country	Link
US (1)	US5091166A (sv)
EP (1)	EP0473559B1 (sv)
JP (1)	JPH0742090B2 (sv)
AT (1)	ATE120429T1 (sv)
CA (1)	CA2028549C (sv)
DE (1)	DE69108482D1 (sv)
ES (1)	ES2070479T3 (sv)
FI (1)	FI107911B (sv)
NO (1)	NO309321B1 (sv)
PT (1)	PT98814B (sv)
SE (1)	SE500042C2 (sv)

Families Citing this family (53)

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US5322598A (en) *	1990-02-06	1994-06-21	Olin Corporation	Chlorine dioxide generation using inert load of sodium perchlorate
US5348683A (en) *	1990-02-06	1994-09-20	Olin Corporation	Chloric acid - alkali metal chlorate mixtures and chlorine dioxide generation
SE511003C2 (sv) *	1992-03-16	1999-07-19	Eka Chemicals Ab	Förfarande och apparat för framställning av svavelsyra och alkalimetallhydroxid
US5273733A (en) *	1992-04-14	1993-12-28	Eka Nobel Inc.	Process for the production of chlorine dioxide
US5486344A (en) *	1992-06-09	1996-01-23	Eka Nobel Inc.	Method of producing chlorine dioxide
US5366714A (en) *	1992-06-09	1994-11-22	Sterling Canada Inc.	Hydrogen peroxide-based chlorine dioxide process
WO1994011300A1 (en) *	1992-11-09	1994-05-26	Sterling Canada, Inc.	Metathesis of acidic by-product of chlorine dioxide generating process
US5376350A (en) *	1992-12-10	1994-12-27	Eka Nobel Ab	Plug flow process for the production of chlorine dioxide
US5487881A (en) *	1993-02-26	1996-01-30	Eka Nobel Inc.	Process of producing chlorine dioxide
US5380517B1 (en) *	1993-02-26	1999-01-19	Eka Nobel Inc	Process for continuously producing chlorine dioxide
US5478446A (en) *	1993-07-02	1995-12-26	Eka Nobel Inc.	Electrochemical process
SE501684C2 (sv) *	1993-10-07	1995-04-24	Eka Nobel Ab	Förfarande och anordning att framställa klorsyra
US5399332A (en) *	1993-10-20	1995-03-21	Sterling Canada, Inc.	Dynamic leaching procedure for metathesis
SE513568C2 (sv)	1994-03-18	2000-10-02	Eka Chemicals Ab	Förfarande för framställning av klordioxid
NZ272769A (en) *	1994-08-18	1996-03-26	Eka Nobel Inc	Process for producing chlorine dioxide by reducing chlorate in acidic reaction medium
SE9402856L (sv) *	1994-08-26	1995-11-27	Eka Nobel Ab	Process of producing chlorine dioxide
US5599518A (en) *	1994-12-01	1997-02-04	Olin Corporation	Catalytic process for chlorine dioxide generation from chloric acid
AU4742497A (en) *	1996-09-27	1998-04-17	International Paper Company	Method for producing chlorine dioxide using methanol and hydrogen peroxide as reducing agents
AU4673297A (en) *	1996-09-27	1998-04-17	International Paper Company	Method for producing chlorine dioxide using methanol, chloride, and hydrogen peroxide as reducing agents
US5895638A (en) *	1997-03-20	1999-04-20	Akzo Nobel N.V.	Method of producing chlorine dioxide
CA2242685C (en) *	1997-08-01	2004-09-28	Sterling Canada, Inc.	Nitric acid based chlorine dioxide generation process
CA2273667C (en)	1998-06-09	2009-03-17	Sterling Canada, Inc.	High purity alkali metal chlorite and method of manufacture
US6322768B1 (en)	1998-09-29	2001-11-27	International Paper Company	Recovery of chlorine dioxide from gas streams
US6287533B1 (en)	1999-09-20	2001-09-11	Mohammed N. I. Khan	Production of chlorine dioxide by chemical reduction of ammonium chlorate in aqueous acidic solution
CA2333247C (en)	2000-02-01	2010-07-20	Sterling Canada, Inc.	A method of improving yield of chlorine dioxide generation processes
US6569285B2 (en)	2000-02-09	2003-05-27	Akzo Nobel N.V.	Process for gas phase pretreating of lignocellulosic containing material
US6855294B2 (en) *	2000-11-22	2005-02-15	Resonance, Inc.	Apparatus and methods for efficient generation of chlorine dioxide
PT1343718E (pt) *	2000-12-21	2011-01-25	Superior Plus Lp	Processo de geração de dióxido de cloro com base em peróxido de hidrogénio
US6790427B2 (en)	2001-06-25	2004-09-14	Eka Chemicals, Inc.	Process for producing chlorine dioxide
US20030095917A1 (en) *	2001-07-27	2003-05-22	Debra Wilcox	Chemical composition and process
US7992643B2 (en)	2003-05-31	2011-08-09	Cameron Systems (Ireland) Limited	Apparatus and method for recovering fluids from a well and/or injecting fluids into a well
US7695692B2 (en) *	2003-08-06	2010-04-13	Sanderson William D	Apparatus and method for producing chlorine dioxide
CN100471791C (zh) *	2004-02-23	2009-03-25	阿克佐诺贝尔公司	二氧化氯的生产方法
JP2005330159A (ja) *	2004-05-21	2005-12-02	Mitsubishi Gas Chem Co Inc	食塩から化学パルプの無塩素漂白用薬品の製造方法
DE602005019778D1 (de) *	2004-12-06	2010-04-15	Akzo Nobel Nv	Chemisches verfahren und produktionseinheit
US20060120946A1 (en) *	2004-12-06	2006-06-08	Akzo Nobel N.V.	Chemical process and apparatus
JP4654248B2 (ja) †	2004-12-06	2011-03-16	アクゾノーベルナムローゼフェンノートシャップ	二酸化塩素を製造する方法および装置
ZA200803849B (en) *	2005-11-10	2009-09-30	Akzo Nobel Nv	Process for production of chlorine dioxide
WO2007078838A2 (en) *	2005-12-16	2007-07-12	Sanderson William D	Solid biocide composition and sealed biocide article
US20090232903A1 (en) *	2005-12-16	2009-09-17	Sanderson William D	Biocide compositions
PL2099710T3 (pl) *	2007-01-12	2011-12-30	Akzo Nobel Chemicals Int Bv	Sposób wytwarzania di tlenku chloru
TWI447065B (zh) *	2007-07-13	2014-08-01	Akzo Nobel Nv	二氧化氯之製造方法
US7666384B2 (en) *	2008-01-17	2010-02-23	Sanderson William D	Stable chlorine dioxide tablet
SA109300539B1 (ar) *	2008-10-06	2012-04-07	اكزو نوبل أن . في	عملية لأنتاج ثانى أكسيد الكلور
CA2764953C (en) *	2009-06-16	2018-01-02	Kalle Hans Thomas Pelin	Process for the production of chlorine dioxide
CN102712471B (zh)	2010-01-18	2015-02-18	阿克佐诺贝尔化学国际公司	制造二氧化氯的方法
EP2601135B1 (en)	2010-07-08	2014-12-17	Akzo Nobel Chemicals International B.V.	Process for the production of chlorine dioxide
WO2018071182A1 (en)	2016-10-13	2018-04-19	Evonik Corporation	Hydrogen peroxide composition and method for producting chlorine dioxide
BR112019016860B1 (pt)	2017-02-27	2024-02-27	Ecolab Usa Inc	Método de tratamento de água de processo em uma torre de resfriamento
UY37637A (es)	2017-03-24	2018-09-28	Ecolab Usa Inc	Sistema de generación in situ de dióxido de cloro de bajo riesgo
US10501345B2 (en)	2017-08-17	2019-12-10	Ecolab Usa Inc.	Low risk chlorine dioxide onsite generation system
US11970393B2 (en)	2018-07-05	2024-04-30	Ecolab Usa Inc.	Decomposition mediation in chlorine dioxide generation systems through sound detection and control
CN112533862A (zh)	2018-08-02	2021-03-19	赢创有限公司	经稳定的过氧化氢-氯酸盐混合物

Family Cites Families (12)

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Publication number	Priority date	Publication date	Assignee	Title
US2332181A (en) *	1941-07-15	1943-10-19	Mathieson Alkali Works Inc	Manufacture of chlorine dioxide
DE835439C (de) *	1941-07-15	1952-03-31	Electro Chimie Metal	Verfahren zur Herstellung von Chlordioxyd
FR997858A (fr) *	1945-08-10	1952-01-11	Electro Chimie Soc D	Procédé pour la fabrication du bioxyde de chlore
US2768877A (en) *	1953-12-01	1956-10-30	Cardox Corp	Chlorine dioxide containing composition and process for manufacture thereof
US2833624A (en) *	1956-10-02	1958-05-06	Du Pont	Production of chlorine dioxide
US3386915A (en)	1964-03-18	1968-06-04	Solvay	Process for the manufacturing of chlorine dioxide in solution and the use of the solution thus obtained
US3563702A (en) *	1968-03-05	1971-02-16	Hooker Chemical Corp	Production of chlorine dioxide
CA1080434A (en) *	1976-03-19	1980-07-01	Richard Swindells	High efficiency chlorine dioxide production using hc1 as acid
JPS5366892A (en) *	1976-11-27	1978-06-14	Osaka Soda Co Ltd	Production of chlorine dioxide
US4298426A (en) *	1979-06-15	1981-11-03	Weyerhaeuser Company	Method and apparatus for treating pulp with oxygen in a multi-stage bleaching sequence
JPS5953205B2 (ja) *	1981-05-19	1984-12-24	日本カ−リツト株式会社	高純度の二酸化塩素を製造する方法
JPS638203A (ja) *	1986-06-26	1988-01-14	Japan Carlit Co Ltd:The	高純度の二酸化塩素を製造する方法

1990
- 1990-08-31 SE SE9002801A patent/SE500042C2/sv unknown
- 1990-09-04 US US07/576,949 patent/US5091166A/en not_active Expired - Lifetime
- 1990-10-25 CA CA002028549A patent/CA2028549C/en not_active Expired - Lifetime
1991
- 1991-08-20 EP EP91850202A patent/EP0473559B1/en not_active Expired - Lifetime
- 1991-08-20 ES ES91850202T patent/ES2070479T3/es not_active Expired - Lifetime
- 1991-08-20 DE DE69108482T patent/DE69108482D1/de not_active Expired - Lifetime
- 1991-08-20 AT AT91850202T patent/ATE120429T1/de not_active IP Right Cessation
- 1991-08-26 NO NO913343A patent/NO309321B1/no not_active IP Right Cessation
- 1991-08-27 JP JP3239004A patent/JPH0742090B2/ja not_active Expired - Lifetime
- 1991-08-28 FI FI914050A patent/FI107911B/sv not_active IP Right Cessation
- 1991-08-29 PT PT98814A patent/PT98814B/pt not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE69108482D1 (de)	1995-05-04
FI914050A (fi)	1992-03-01
CA2028549A1 (en)	1992-03-01
SE9002801L (sv)	1992-03-01
FI914050A0 (fi)	1991-08-28
SE9002801D0 (sv)	1990-08-31
EP0473559A1 (en)	1992-03-04
JPH04231304A (ja)	1992-08-20
ES2070479T3 (es)	1995-06-01
PT98814A (pt)	1992-07-31
FI107911B (sv)	2001-10-31
CA2028549C (en)	1998-10-27
JPH0742090B2 (ja)	1995-05-10
PT98814B (pt)	1999-02-26
US5091166A (en)	1992-02-25
EP0473559B1 (en)	1995-03-29
SE500042C2 (sv)	1994-03-28
NO913343L (no)	1992-03-02
ATE120429T1 (de)	1995-04-15
NO913343D0 (no)	1991-08-26

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