CA2188721C - Methode pour metathese - Google Patents

Methode pour metathese Download PDF

Info

Publication number: CA2188721C
Authority: CA; Canada
Prior art keywords: slurry; sulfate crystals; sodium; medium; filtration zone
Prior art date: 1995-11-02
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 2188721

Other languages

English (en)

Other versions

CA2188721A1 (fr

Inventor

Tomas Daniel Bigauskas

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

Superior Plus 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.)

1995-11-02

Filing date

1996-10-24

Publication date

2005-04-26

1996-10-24 Application filed by Superior Plus Inc filed Critical Superior Plus Inc

1997-05-03 Publication of CA2188721A1 publication Critical patent/CA2188721A1/fr

2005-04-26 Application granted granted Critical

2005-04-26 Publication of CA2188721C publication Critical patent/CA2188721C/fr

2016-10-24 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 61
238000005649 metathesis reaction Methods 0.000 title claims abstract description 51
230000008569 process Effects 0.000 title claims abstract description 22
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims abstract description 98
239000013078 crystal Substances 0.000 claims abstract description 57
238000001914 filtration Methods 0.000 claims abstract description 54
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims abstract description 52
230000007935 neutral effect Effects 0.000 claims abstract description 50
239000002002 slurry Substances 0.000 claims abstract description 50
239000004155 Chlorine dioxide Substances 0.000 claims abstract description 49
235000019398 chlorine dioxide Nutrition 0.000 claims abstract description 49
229910052938 sodium sulfate Inorganic materials 0.000 claims abstract description 41
235000011152 sodium sulphate Nutrition 0.000 claims abstract description 41
WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 claims abstract description 27
229910000342 sodium bisulfate Inorganic materials 0.000 claims abstract description 27
230000002378 acidificating effect Effects 0.000 claims abstract description 26
238000006243 chemical reaction Methods 0.000 claims abstract description 14
230000000694 effects Effects 0.000 claims abstract description 14
239000007790 solid phase Substances 0.000 claims abstract description 13
230000009977 dual effect Effects 0.000 claims abstract description 11
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 description 44
239000002609 medium Substances 0.000 claims description 39
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
239000002253 acid Substances 0.000 claims description 18
238000004094 preconcentration Methods 0.000 claims description 13
238000000926 separation method Methods 0.000 claims description 13
239000012736 aqueous medium Substances 0.000 claims description 8
238000001704 evaporation Methods 0.000 claims description 5
239000011260 aqueous acid Substances 0.000 claims description 4
230000003247 decreasing effect Effects 0.000 claims 2
230000008030 elimination Effects 0.000 abstract description 2
238000003379 elimination reaction Methods 0.000 abstract description 2
230000009467 reduction Effects 0.000 abstract description 2
239000007787 solid Substances 0.000 description 26
239000012429 reaction media Substances 0.000 description 12
239000000706 filtrate Substances 0.000 description 11
239000004744 fabric Substances 0.000 description 10
239000011343 solid material Substances 0.000 description 9
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
238000000151 deposition Methods 0.000 description 6
239000000243 solution Substances 0.000 description 6
230000009471 action Effects 0.000 description 5
239000002178 crystalline material Substances 0.000 description 5
230000008021 deposition Effects 0.000 description 5
238000006073 displacement reaction Methods 0.000 description 5
238000002386 leaching Methods 0.000 description 5
239000007788 liquid Substances 0.000 description 5
238000012986 modification Methods 0.000 description 5
230000004048 modification Effects 0.000 description 5
239000006227 byproduct Substances 0.000 description 4
239000003795 chemical substances by application Substances 0.000 description 4
238000013461 design Methods 0.000 description 4
230000008020 evaporation Effects 0.000 description 4
239000000047 product Substances 0.000 description 4
235000019647 acidic taste Nutrition 0.000 description 3
238000013459 approach Methods 0.000 description 3
238000009434 installation Methods 0.000 description 3
BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 2
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
239000012295 chemical reaction liquid Substances 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
238000000605 extraction Methods 0.000 description 2
230000006872 improvement Effects 0.000 description 2
238000002156 mixing Methods 0.000 description 2
239000000203 mixture Substances 0.000 description 2
230000002093 peripheral effect Effects 0.000 description 2
239000007921 spray Substances 0.000 description 2
238000012360 testing method Methods 0.000 description 2
238000005406 washing Methods 0.000 description 2
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
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 description 1
239000003929 acidic solution Substances 0.000 description 1
238000000429 assembly Methods 0.000 description 1
230000000712 assembly Effects 0.000 description 1
238000009835 boiling Methods 0.000 description 1
239000003638 chemical reducing agent Substances 0.000 description 1
239000000460 chlorine Substances 0.000 description 1
229910052801 chlorine Inorganic materials 0.000 description 1
239000012065 filter cake Substances 0.000 description 1
230000005484 gravity Effects 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
230000003334 potential effect Effects 0.000 description 1
238000011084 recovery Methods 0.000 description 1
238000005204 segregation Methods 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
238000005507 spraying Methods 0.000 description 1
238000010977 unit operation Methods 0.000 description 1

Landscapes

Filtration Of Liquid (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

CA 2188721 1995-11-02 1996-10-24 Methode pour metathese Expired - Lifetime CA2188721C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US615795P	1995-11-02	1995-11-02
US60/006,157		1995-11-02

Publications (2)

Publication Number	Publication Date
CA2188721A1 CA2188721A1 (fr)	1997-05-03
CA2188721C true CA2188721C (fr)	2005-04-26

Family

ID=21719576

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2188721 Expired - Lifetime CA2188721C (fr)	1995-11-02	1996-10-24	Methode pour metathese

Country Status (1)

Country	Link
CA (1)	CA2188721C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102001689A (zh) *	2010-10-29	2011-04-06	广西博世科环保科技股份有限公司	一种回收生产二氧化氯产生的副产品酸式硫酸钠的方法

1996
- 1996-10-24 CA CA 2188721 patent/CA2188721C/fr not_active Expired - Lifetime

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102001689A (zh) *	2010-10-29	2011-04-06	广西博世科环保科技股份有限公司	一种回收生产二氧化氯产生的副产品酸式硫酸钠的方法

Also Published As

Publication number	Publication date
CA2188721A1 (fr)	1997-05-03

Legal Events

Date	Code	Title	Description
2000-11-01	EEER	Examination request
2016-12-26	MKEX	Expiry	Effective date: 20161024

Publication	Publication Date	Title
CA2062063C (fr)	2002-07-09	Methode de preparation de l'acide terephtalique
US5583254A (en)	1996-12-10	Process for the production of purified terephthalic acid
US5840965A (en)	1998-11-24	Process for the production of purified telephthalic acid
CA2398041A1 (fr)	2001-08-02	Procede de recuperation de l'acide terephtalique brut
US4668342A (en)	1987-05-26	Recausticizing kraft green liquor
CA1165533A (fr)	1984-04-17	Preparation de cristaux de sulfate ferreux hydrate de grande purete a partir d'une solution decapante usee d'acide chlorhydrique
US4961918A (en)	1990-10-09	Process for production of chlorine dioxide
CA1078138A (fr)	1980-05-27	Production de dioxyde de chlore
US5399332A (en)	1995-03-21	Dynamic leaching procedure for metathesis
JPH0353246B2 (fr)	1991-08-14
CA2188721C (fr)	2005-04-26	Methode pour metathese
US2331235A (en)	1943-10-05	Purification of salt solutions
JPH08337403A (ja)	1996-12-24	二酸化塩素の製造方法
CA2148462C (fr)	1999-08-31	Obtention, par metathese, d'un produit secondaire neutre dans le procede de formation de dioxyde de chlore
CA1044257A (fr)	1978-12-12	Traitement des vapeurs d'eau engendrees par la concentration d'une solution aqueuse d'uree
US3862234A (en)	1975-01-21	Amine recovery
US5741927A (en)	1998-04-21	Separation process
EP3512805B1 (fr)	2026-01-28	Procédé de production de sulfate de potassium à partir de chlorure de potassium et d'acide sulfurique
US6585950B1 (en)	2003-07-01	Method of producing chlorine dioxide
JPH11514374A (ja)	1999-12-07	水溶液中尿素を含む液体相から、尿素，アンモニア及び二酸化炭素を除去するための加水分解反応装置
PL104721B1 (pl)	1979-09-29	Ciagly sposob i urzadzenie do wytwarzania bezwodnika maleinowego z wodnego roztworu kwasu maleinowego
CA2219550C (fr)	2008-05-06	Methode pour recuperer des composes chimiques d'une usine de pates
US5205995A (en)	1993-04-27	Metathesis of acidic by-product of chlorine dioxide generating apparatus
WO1994022546A1 (fr)	1994-10-13	Procede et dispositif de precipitation de cristaux a partir d'une solution
GB2185421A (en)	1987-07-22	Process for vacuum evaporation crystallisation

CA2188721C - Methode pour metathese - Google Patents

Info

Links

Landscapes

Applications Claiming Priority (2)

Publications (2)

Family

ID=21719576

Family Applications (1)

Country Status (1)

Cited By (1)

Cited By (1)

Also Published As

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