CA2092238C - Production reduite de sulfate de sodium dans la production de dioxyde de chlore - Google Patents

Production reduite de sulfate de sodium dans la production de dioxyde de chlore

Info

Publication number: CA2092238C
Authority: CA; Canada
Prior art keywords: sodium; aqueous; acid; sulfate; chlorate
Prior art date: 1992-06-09
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.): Expired - Lifetime

Application number

CA 2092238

Other languages

English (en)

Other versions

CA2092238A1 (fr

Inventor

Edward J. Bechberger

Gerald Cowley

Maurice C.J. Fredette

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.)

Superior Plus LP

Original Assignee

Sterling Canada Inc

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.)

1992-06-09

Filing date

1993-05-12

Publication date

1999-03-30

1993-05-12 Application filed by Sterling Canada Inc filed Critical Sterling Canada Inc

1993-12-10 Publication of CA2092238A1 publication Critical patent/CA2092238A1/fr

1999-03-30 Application granted granted Critical

1999-03-30 Publication of CA2092238C publication Critical patent/CA2092238C/fr

2013-05-12 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 title claims abstract description 131
239000004155 Chlorine dioxide Substances 0.000 title claims abstract description 65
235000019398 chlorine dioxide Nutrition 0.000 title claims abstract description 65
238000004519 manufacturing process Methods 0.000 title claims abstract description 11
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 title abstract description 49
229910052938 sodium sulfate Inorganic materials 0.000 title abstract description 37
235000011152 sodium sulphate Nutrition 0.000 title abstract description 37
230000003247 decreasing effect Effects 0.000 title abstract description 4
BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 claims abstract description 48
239000006227 byproduct Substances 0.000 claims abstract description 37
239000012429 reaction media Substances 0.000 claims abstract description 35
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 33
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 28
IYGFDEZBVCNBRU-UHFFFAOYSA-L disodium sulfuric acid sulfate Chemical compound [H+].[H+].[H+].[H+].[Na+].[Na+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O IYGFDEZBVCNBRU-UHFFFAOYSA-L 0.000 claims abstract description 17
230000007935 neutral effect Effects 0.000 claims abstract description 14
238000009835 boiling Methods 0.000 claims abstract description 7
238000000034 method Methods 0.000 claims description 57
239000002253 acid Substances 0.000 claims description 54
238000005649 metathesis reaction Methods 0.000 claims description 50
230000008569 process Effects 0.000 claims description 48
239000011260 aqueous acid Substances 0.000 claims description 35
239000007864 aqueous solution Substances 0.000 claims description 34
-1 chlorate ions Chemical class 0.000 claims description 29
XTEGARKTQYYJKE-UHFFFAOYSA-M chlorate Inorganic materials [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 claims description 27
239000000243 solution Substances 0.000 claims description 27
229910052783 alkali metal Inorganic materials 0.000 claims description 25
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 22
238000006243 chemical reaction Methods 0.000 claims description 20
229910001868 water Inorganic materials 0.000 claims description 20
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
239000007790 solid phase Substances 0.000 claims description 16
150000001340 alkali metals Chemical class 0.000 claims description 12
239000002609 medium Substances 0.000 claims description 12
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 10
229910052708 sodium Inorganic materials 0.000 claims description 10
239000011734 sodium Substances 0.000 claims description 10
159000000000 sodium salts Chemical class 0.000 claims description 10
230000000694 effects Effects 0.000 claims description 8
239000012266 salt solution Substances 0.000 claims description 8
229910000342 sodium bisulfate Inorganic materials 0.000 claims description 8
WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 claims description 7
229910052936 alkali metal sulfate Inorganic materials 0.000 claims description 6
239000012736 aqueous medium Substances 0.000 claims description 5
239000003638 chemical reducing agent Substances 0.000 claims description 5
239000000203 mixture Substances 0.000 claims description 4
150000003839 salts Chemical class 0.000 claims description 4
229910001413 alkali metal ion Inorganic materials 0.000 claims description 3
239000007787 solid Substances 0.000 claims description 2
230000001376 precipitating effect Effects 0.000 claims 1
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 21
229910001415 sodium ion Inorganic materials 0.000 abstract description 7
239000012527 feed solution Substances 0.000 abstract 1
230000020477 pH reduction Effects 0.000 description 12
239000000460 chlorine Substances 0.000 description 6
229910052801 chlorine Inorganic materials 0.000 description 6
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
239000001257 hydrogen Substances 0.000 description 5
229910052739 hydrogen Inorganic materials 0.000 description 5
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
238000005868 electrolysis reaction Methods 0.000 description 4
239000000047 product Substances 0.000 description 4
230000009467 reduction Effects 0.000 description 4
239000002002 slurry Substances 0.000 description 4
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
230000008901 benefit Effects 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
239000007844 bleaching agent Substances 0.000 description 3
150000002500 ions Chemical class 0.000 description 3
239000012528 membrane Substances 0.000 description 3
239000001301 oxygen Substances 0.000 description 3
229910052760 oxygen Inorganic materials 0.000 description 3
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
230000002378 acidificating effect Effects 0.000 description 2
238000005341 cation exchange Methods 0.000 description 2
238000010960 commercial process Methods 0.000 description 2
239000002178 crystalline material Substances 0.000 description 2
239000000706 filtrate Substances 0.000 description 2
239000000463 material Substances 0.000 description 2
BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
239000000126 substance Substances 0.000 description 2
238000006467 substitution reaction Methods 0.000 description 2
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 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
239000007832 Na2SO4 Substances 0.000 description 1
FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
238000004061 bleaching Methods 0.000 description 1
239000003518 caustics Substances 0.000 description 1
229940005989 chlorate ion Drugs 0.000 description 1
XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 description 1
229940005991 chloric acid Drugs 0.000 description 1
238000005660 chlorination reaction Methods 0.000 description 1
150000001804 chlorine Chemical class 0.000 description 1
QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
230000002301 combined effect Effects 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
239000003085 diluting agent Substances 0.000 description 1
239000003792 electrolyte Substances 0.000 description 1
235000019253 formic acid Nutrition 0.000 description 1
GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
239000003014 ion exchange membrane Substances 0.000 description 1
239000007788 liquid Substances 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
239000012452 mother liquor Substances 0.000 description 1
238000006386 neutralization reaction Methods 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
239000012071 phase Substances 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
239000000376 reactant Substances 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000011593 sulfur Substances 0.000 description 1

Landscapes

Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

CA 2092238 1992-06-09 1993-05-12 Production reduite de sulfate de sodium dans la production de dioxyde de chlore Expired - Lifetime CA2092238C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US89662792A	1992-06-09	1992-06-09
US07/896,627		1992-06-09

Publications (2)

Publication Number	Publication Date
CA2092238A1 CA2092238A1 (fr)	1993-12-10
CA2092238C true CA2092238C (fr)	1999-03-30

Family

ID=25406524

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2092238 Expired - Lifetime CA2092238C (fr)	1992-06-09	1993-05-12	Production reduite de sulfate de sodium dans la production de dioxyde de chlore

Country Status (1)

Country	Link
CA (1)	CA2092238C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2001068518A3 (fr) *	2000-03-17	2001-12-06	Sterling Pulp Chem Ltd	Strategies de controle perfectionnees pour processus de production de dioxyde de chlore

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN115924849A (zh) *	2023-01-06	2023-04-07	金磊	一种高纯度二氧化氯的制备方法

1993
- 1993-05-12 CA CA 2092238 patent/CA2092238C/fr not_active Expired - Lifetime

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2001068518A3 (fr) *	2000-03-17	2001-12-06	Sterling Pulp Chem Ltd	Strategies de controle perfectionnees pour processus de production de dioxyde de chlore

Also Published As

Publication number	Publication date
CA2092238A1 (fr)	1993-12-10

Legal Events

Date	Code	Title	Description
1993-05-12	EEER	Examination request

Publication	Publication Date	Title
US5198080A (en)	1993-03-30	Electrochemical processing of aqueous solutions
US5174868A (en)	1992-12-29	Chlorine dioxide generation from chloric acid
CA2097525C (fr)	2000-05-02	Un procede de production en continu de dioxyde de chlore
US5227031A (en)	1993-07-13	Process for the production of chlorine dioxide
US5122240A (en)	1992-06-16	Electrochemical processing of aqueous solutions
US5292406A (en)	1994-03-08	Process for electrolytic production of alkali metal chlorate and auxiliary chemicals
US5565182A (en)	1996-10-15	Process of producing chlorine dioxide
CA2156125C (fr)	1999-04-27	Methode de preparation de dioxyde de chlore
US4169773A (en)	1979-10-02	Removal of chlorate from electrolytic cell anolyte
CA2108006C (fr)	1999-03-16	Metathese du sous-produit acide d'un procede produisant du dioxyde de chlore
CA2084183C (fr)	2003-07-29	Traitement electrochimique de solutions aqueuses
US5851374A (en)	1998-12-22	Process for production of chlorine dioxide
CA1184148A (fr)	1985-03-19	Production integree de bioxyde de chlore sur pile a membrane et de chlore sur pile electrolytique
CA2092238C (fr)	1999-03-30	Production reduite de sulfate de sodium dans la production de dioxyde de chlore
US5593653A (en)	1997-01-14	Metathesis of acidic by-product of chlorine dioxide generating process
US5284553A (en)	1994-02-08	Chlorine dioxide generation from chloric acid
US5205995A (en)	1993-04-27	Metathesis of acidic by-product of chlorine dioxide generating apparatus
CA2018507C (fr)	1999-12-21	Traitement electrochimique des solutions aqueuses
CA1053604A (fr)	1979-05-01	Production de dioxyde de chlore integree a l'operation sans effluent d'une usine de pate et papier
CA2189289A1 (fr)	1997-05-10	Production de dioxyde de chlore tres pur
CA1049711A (fr)	1979-03-06	Production de dioxyde de chlore
CA2226651C (fr)	2009-04-28	Procede de production de dioxyde de chlore
KR830000185B1 (ko)	1983-02-21	과산화염소의 제조 방법
CA1053860A (fr)	1979-05-08	Production de dioxyde de chlore et blanchiment de la pate a papier

CA2092238C - Production reduite de sulfate de sodium dans la production de dioxyde de chlore - Google Patents

Info

Links

Landscapes

Applications Claiming Priority (2)

Publications (2)

Family

ID=25406524

Family Applications (1)

Country Status (1)

Cited By (1)

Families Citing this family (1)

Cited By (1)

Also Published As

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