SE500043C2 - Förfarande för kontinuerlig framställning av klordioxid - Google Patents

Förfarande för kontinuerlig framställning av klordioxid

Info

Publication number: SE500043C2
Authority: SE; Sweden
Prior art keywords: chlorate; chlorine dioxide; alkali metal; process according; reaction vessel
Prior art date: 1990-08-31

Application number

SE9002802A

Other languages

English (en)

Swedish (sv)

Other versions

SE9002802D0 (sv

SE9002802L (sv

Inventor

Joergen Engstroem

Helena Falgen

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

1990-08-31

Publication date

1994-03-28

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20380262&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE500043(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1990-08-31 Publication of SE9002802D0 publication Critical patent/SE9002802D0/xx

1990-08-31 Priority to SE9002802A priority Critical patent/SE500043C2/sv

1990-08-31 Application filed by Eka Nobel Ab filed Critical Eka Nobel Ab

1990-09-04 Priority to US07/576,948 priority patent/US5091167A/en

1990-10-25 Priority to CA002028550A priority patent/CA2028550C/en

1991-08-20 Priority to ES91850203T priority patent/ES2070480T3/es

1991-08-20 Priority to EP91850203A priority patent/EP0473560B1/de

1991-08-20 Priority to AT91850203T priority patent/ATE120430T1/de

1991-08-20 Priority to DE69108483T priority patent/DE69108483D1/de

1991-08-26 Priority to NO913344A priority patent/NO309375B1/no

1991-08-27 Priority to JP3239005A priority patent/JPH0742091B2/ja

1991-08-28 Priority to FI914051A priority patent/FI107910B/fi

1991-08-29 Priority to PT98815A priority patent/PT98815B/pt

1992-03-01 Publication of SE9002802L publication Critical patent/SE9002802L/

1994-03-28 Publication of SE500043C2 publication Critical patent/SE500043C2/sv

Links

OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 title claims abstract description 40
238000000034 method Methods 0.000 title claims abstract description 28
239000004155 Chlorine dioxide Substances 0.000 title claims abstract description 20
235000019398 chlorine dioxide Nutrition 0.000 title claims abstract description 20
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 47
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 30
238000006243 chemical reaction Methods 0.000 claims abstract description 22
239000003638 chemical reducing agent Substances 0.000 claims abstract description 17
239000002253 acid Substances 0.000 claims abstract description 16
238000004519 manufacturing process Methods 0.000 claims abstract description 13
229910052783 alkali metal Inorganic materials 0.000 claims abstract description 9
239000012429 reaction media Substances 0.000 claims abstract description 9
-1 alkali metal chlorate Chemical class 0.000 claims abstract description 8
239000001301 oxygen Substances 0.000 claims abstract description 5
229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 4
229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 4
239000011707 mineral Substances 0.000 claims abstract description 4
229910001868 water Inorganic materials 0.000 claims abstract description 4
238000002425 crystallisation Methods 0.000 claims abstract 3
230000008025 crystallization Effects 0.000 claims abstract 3
238000001704 evaporation Methods 0.000 claims abstract 3
229910052936 alkali metal sulfate Inorganic materials 0.000 claims abstract 2
230000008020 evaporation Effects 0.000 claims abstract 2
239000000203 mixture Substances 0.000 claims abstract 2
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 17
229910001514 alkali metal chloride Inorganic materials 0.000 claims description 3
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
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 33
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 10
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 6
239000006227 byproduct Substances 0.000 description 6
239000000460 chlorine Substances 0.000 description 6
229910052801 chlorine Inorganic materials 0.000 description 6
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 4
BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
150000003839 salts Chemical class 0.000 description 4
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 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
230000002378 acidificating effect Effects 0.000 description 2
238000004061 bleaching Methods 0.000 description 2
150000002148 esters Chemical class 0.000 description 2
235000019253 formic acid Nutrition 0.000 description 2
229910052739 hydrogen Inorganic materials 0.000 description 2
150000002894 organic compounds Chemical class 0.000 description 2
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 2
229910000342 sodium bisulfate Inorganic materials 0.000 description 2
239000011780 sodium chloride Substances 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
150000008043 acidic salts Chemical class 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000007844 bleaching agent Substances 0.000 description 1
238000009835 boiling Methods 0.000 description 1
239000003054 catalyst Substances 0.000 description 1
238000011109 contamination Methods 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
RDYMFSUJUZBWLH-UHFFFAOYSA-N endosulfan Chemical compound C12COS(=O)OCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl RDYMFSUJUZBWLH-UHFFFAOYSA-N 0.000 description 1
150000002170 ethers Chemical class 0.000 description 1
125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
239000007789 gas Substances 0.000 description 1
IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
239000012535 impurity 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
229910052753 mercury Inorganic materials 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
238000006386 neutralization reaction Methods 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
238000011946 reduction process Methods 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
SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
239000000243 solution Substances 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

- 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
- 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

Landscapes

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

SE9002802A 1990-08-31 1990-08-31 Förfarande för kontinuerlig framställning av klordioxid SE500043C2 (sv)

Priority Applications (11)

Application Number	Priority Date	Filing Date	Title
SE9002802A SE500043C2 (sv)	1990-08-31	1990-08-31	Förfarande för kontinuerlig framställning av klordioxid
US07/576,948 US5091167A (en)	1990-08-31	1990-09-04	Process for the production of chlorine dioxide
CA002028550A CA2028550C (en)	1990-08-31	1990-10-25	Process for the production of chlorine dioxide
ES91850203T ES2070480T3 (es)	1990-08-31	1991-08-20	Procedimiento para la produccion de dioxido de cloro.
DE69108483T DE69108483D1 (de)	1990-08-31	1991-08-20	Verfahren zur Erzeugung von Chlordioxid.
AT91850203T ATE120430T1 (de)	1990-08-31	1991-08-20	Verfahren zur erzeugung von chlordioxid.
EP91850203A EP0473560B1 (de)	1990-08-31	1991-08-20	Verfahren zur Erzeugung von Chlordioxid
NO913344A NO309375B1 (no)	1990-08-31	1991-08-26	Fremgangsmåte ved kontinuerlig fremstilling av klordioksyd
JP3239005A JPH0742091B2 (ja)	1990-08-31	1991-08-27	二酸化塩素の製造方法
FI914051A FI107910B (fi)	1990-08-31	1991-08-28	Menetelmä klooridioksidin valmistamiseksi
PT98815A PT98815B (pt)	1990-08-31	1991-08-29	Processo para a producao de dioxido de cloro

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE9002802A SE500043C2 (sv)	1990-08-31	1990-08-31	Förfarande för kontinuerlig framställning av klordioxid

Publications (3)

Publication Number	Publication Date
SE9002802D0 SE9002802D0 (sv)	1990-08-31
SE9002802L SE9002802L (sv)	1992-03-01
SE500043C2 true SE500043C2 (sv)	1994-03-28

Family

ID=20380262

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9002802A SE500043C2 (sv)	1990-08-31	1990-08-31	Förfarande för kontinuerlig framställning av klordioxid

Country Status (11)

Country	Link
US (1)	US5091167A (de)
EP (1)	EP0473560B1 (de)
JP (1)	JPH0742091B2 (de)
AT (1)	ATE120430T1 (de)
CA (1)	CA2028550C (de)
DE (1)	DE69108483D1 (de)
ES (1)	ES2070480T3 (de)
FI (1)	FI107910B (de)
NO (1)	NO309375B1 (de)
PT (1)	PT98815B (de)
SE (1)	SE500043C2 (de)

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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
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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
US5676920A (en) *	1996-08-20	1997-10-14	Sterling Canada, Inc.	Chlorine dioxide generating process
CA2267295A1 (en) *	1996-09-27	1998-04-02	Arthur J. Nonni	Method for producing chlorine dioxide using methanol and hydrogen peroxide as reducing agents
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US5895638A (en) *	1997-03-20	1999-04-20	Akzo Nobel N.V.	Method of producing chlorine dioxide
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
RU2221741C1 (ru) *	1999-11-26	2004-01-20	Акцо Нобель Н.В.	Способ получения щелочного раствора пероксида водорода и диоксида хлора
CA2333247C (en)	2000-02-01	2010-07-20	Sterling Canada, Inc.	A method of improving yield of chlorine dioxide generation processes
NZ520939A (en) *	2000-03-17	2004-07-30	Superior Plus Inc	Advanced control strategies for chlorine dioxide generating processes
US6855294B2 (en) *	2000-11-22	2005-02-15	Resonance, Inc.	Apparatus and methods for efficient generation of chlorine dioxide
ATE489331T1 (de) *	2000-12-21	2010-12-15	Superior Plus Lp	Auf wasserstoffperoxid basierendes verfahren zur erzeugung von chlordioxid
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
US20040228790A1 (en) *	2003-05-15	2004-11-18	Costa Mario Luis	Chlorine dioxide from a methanol-based generating system as a chemical feed in alkali metal chlorite manufacture
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
CN103626131A (zh) *	2004-09-24	2014-03-12	阿克佐诺贝尔公司	生产二氧化氯的方法
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
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
ZA200803849B (en) *	2005-11-10	2009-09-30	Akzo Nobel Nv	Process for production of chlorine dioxide
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US20090232903A1 (en) *	2005-12-16	2009-09-17	Sanderson William D	Biocide compositions
CN101421182A (zh) *	2006-04-10	2009-04-29	阿克佐诺贝尔股份有限公司	制备二氧化氯的方法
WO2008085122A1 (en) *	2007-01-12	2008-07-17	Akzo Nobel N.V.	Process for the production of chlorine dioxide
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
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MX340592B (es)	2010-01-18	2016-07-15	Akzo Nobel Chemicals Int B V *	Proceso para la produccion de dioxido de cloro.
JP5712371B2 (ja)	2010-07-08	2015-05-07	ナルコユーエスワンエルエルシー	二酸化塩素の生産プロセス
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WO2018071182A1 (en)	2016-10-13	2018-04-19	Evonik Corporation	Hydrogen peroxide composition and method for producting chlorine dioxide
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JPS5166892A (ja) *	1974-12-06	1976-06-09	Nippon Steel Corp	Renzokushikibiryoyunodosokuteihoho oyobi sochi
CA1080433A (en) *	1976-03-19	1980-07-01	Erco Industries Limited	High efficiency chlorine dioxide production at low acidity
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 SE9002802A patent/SE500043C2/sv unknown
- 1990-09-04 US US07/576,948 patent/US5091167A/en not_active Expired - Lifetime
- 1990-10-25 CA CA002028550A patent/CA2028550C/en not_active Expired - Lifetime
1991
- 1991-08-20 AT AT91850203T patent/ATE120430T1/de not_active IP Right Cessation
- 1991-08-20 EP EP91850203A patent/EP0473560B1/de not_active Expired - Lifetime
- 1991-08-20 DE DE69108483T patent/DE69108483D1/de not_active Expired - Lifetime
- 1991-08-20 ES ES91850203T patent/ES2070480T3/es not_active Expired - Lifetime
- 1991-08-26 NO NO913344A patent/NO309375B1/no not_active IP Right Cessation
- 1991-08-27 JP JP3239005A patent/JPH0742091B2/ja not_active Expired - Lifetime
- 1991-08-28 FI FI914051A patent/FI107910B/fi not_active IP Right Cessation
- 1991-08-29 PT PT98815A patent/PT98815B/pt not_active IP Right Cessation

Also Published As

Publication number	Publication date
SE9002802D0 (sv)	1990-08-31
DE69108483D1 (de)	1995-05-04
FI914051L (fi)	1992-03-01
CA2028550C (en)	1998-10-27
PT98815B (pt)	1999-02-26
FI107910B (fi)	2001-10-31
CA2028550A1 (en)	1992-03-01
NO913344D0 (no)	1991-08-26
EP0473560B1 (de)	1995-03-29
EP0473560A1 (de)	1992-03-04
ATE120430T1 (de)	1995-04-15
NO309375B1 (no)	2001-01-22
SE9002802L (sv)	1992-03-01
PT98815A (pt)	1992-07-31
US5091167A (en)	1992-02-25
JPH0742091B2 (ja)	1995-05-10
FI914051A0 (fi)	1991-08-28
ES2070480T3 (es)	1995-06-01
JPH04231305A (ja)	1992-08-20
NO913344L (no)	1992-03-02

Publication	Publication Date	Title
SE500043C2 (sv)	1994-03-28	Förfarande för kontinuerlig framställning av klordioxid
SE500042C2 (sv)	1994-03-28	Förfarande för kontinuerlig framställning av klordioxid
FI66818B (fi)	1984-08-31	Framstaellning av klordioxid
FI112353B (fi)	2003-11-28	Menetelmä kooridioksidin valmistamiseksi jatkuvatoimisesti
US5273733A (en)	1993-12-28	Process for the production of chlorine dioxide
CA1333519C (en)	1994-12-20	Process for the production of chlorine dioxide
SE467252B (sv)	1992-06-22	Foerfarande foer framstaellning av klordioxid
SE513568C2 (sv)	2000-10-02	Förfarande för framställning av klordioxid
US4986973A (en)	1991-01-22	Process for the production of chlorine dioxide
FI107252B (fi)	2001-06-29	Menetelmä klooridioksidin valmistamiseksi
EP0963945B1 (de)	2003-01-15	Hochreines Alkalimetallchlorit und Verfahren zu dessen Herstellung
WO1998013296A1 (en)	1998-04-02	Method for producing chlorine dioxide using methanol, chloride, and hydrogen peroxide as reducing agents
WO1998013296A9 (en)	1998-06-04	Method for producing chlorine dioxide using methanol, chloride, and hydrogen peroxide as reducing agents
WO1998013295A9 (en)	1998-07-02	Method for producing chlorine dioxide using methanol and hydrogen peroxide as reducing agents
WO1998013295A1 (en)	1998-04-02	Method for producing chlorine dioxide using methanol and hydrogen peroxide as reducing agents
CS207601B2 (cs)	1981-08-31	Způsob výroby kysličníku chloričitého