CA2031874A1 - Nettoyage du materiel utilise dans un procede d'oxydation en phase liquide - Google Patents

Nettoyage du materiel utilise dans un procede d'oxydation en phase liquide

Info

Publication number: CA2031874A1
Authority: CA; Canada
Prior art keywords: liquid phase; oxidation process; equipment used; phase oxidation; cleaning
Prior art date: 1990-01-02
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.): Granted

Application number

CA2031874A

Other languages

English (en)

Other versions

CA2031874C (fr

Inventor

David Frederick Bowman

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.)

Shell Canada Ltd

Original Assignee

Shell Canada Ltd

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.)

1990-01-02

Filing date

1990-12-10

Publication date

1991-07-03

1990-12-10 Application filed by Shell Canada Ltd filed Critical Shell Canada Ltd

1991-07-03 Publication of CA2031874A1 publication Critical patent/CA2031874A1/fr

2000-10-10 Application granted granted Critical

2000-10-10 Publication of CA2031874C publication Critical patent/CA2031874C/fr

2010-12-10 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000004140 cleaning Methods 0.000 title abstract 2
239000007791 liquid phase Substances 0.000 title abstract 2
238000000034 method Methods 0.000 title abstract 2
230000003647 oxidation Effects 0.000 title abstract 2
238000007254 oxidation reaction Methods 0.000 title abstract 2
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 abstract 1
239000007864 aqueous solution Substances 0.000 abstract 1
239000003093 cationic surfactant Substances 0.000 abstract 1
239000002738 chelating agent Substances 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1
150000003839 salts Chemical class 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/042—Acids
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/38—Cationic compounds
- C11D1/62—Quaternary ammonium compounds
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/33—Amino carboxylic acids

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Oil, Petroleum & Natural Gas (AREA)
Wood Science & Technology (AREA)
Life Sciences & Earth Sciences (AREA)
Inorganic Chemistry (AREA)
Detergent Compositions (AREA)
Treating Waste Gases (AREA)
Cleaning Or Drying Semiconductors (AREA)
Gas Separation By Absorption (AREA)
Treatment Of Water By Oxidation Or Reduction (AREA)

CA002031874A 1990-01-02 1990-12-10 Nettoyage du materiel utilise dans un procede d'oxydation en phase liquide Expired - Fee Related CA2031874C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB9000028.2		1990-01-02
GB909000028A GB9000028D0 (en)	1990-01-02	1990-01-02	Cleaning of equipment used in a liquid phase oxidation process

Publications (2)

Publication Number	Publication Date
CA2031874A1 true CA2031874A1 (fr)	1991-07-03
CA2031874C CA2031874C (fr)	2000-10-10

Family

ID=10668753

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002031874A Expired - Fee Related CA2031874C (fr)	1990-01-02	1990-12-10	Nettoyage du materiel utilise dans un procede d'oxydation en phase liquide

Country Status (8)

Country	Link
EP (1)	EP0438833B1 (fr)
JP (1)	JP2832493B2 (fr)
KR (1)	KR0184862B1 (fr)
AU (1)	AU624756B2 (fr)
CA (1)	CA2031874C (fr)
DE (1)	DE69026063T2 (fr)
ES (1)	ES2084653T3 (fr)
GB (1)	GB9000028D0 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP6872747B2 (ja) *	2017-01-17	2021-05-19	株式会社片山化学工業研究所	硫黄スケールの洗浄剤およびそれを用いる硫黄スケールの洗浄方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5471787A (en) *	1977-11-18	1979-06-08	Kiresuto Giken Kk	Ironnremoving detergent for cation exchange resin
SE8204843L (sv) *	1982-01-18	1983-07-19	Dearborn Chemicals Co	Reningsforfarande
GB8506685D0 (en) *	1985-03-14	1985-04-17	Unilever Plc	Laundry bars
GB8619391D0 (en) *	1986-08-08	1986-09-17	Unilever Plc	Acidic liquid cleaning composition

1990
- 1990-01-02 GB GB909000028A patent/GB9000028D0/en active Pending
- 1990-12-10 CA CA002031874A patent/CA2031874C/fr not_active Expired - Fee Related
- 1990-12-14 AU AU68133/90A patent/AU624756B2/en not_active Ceased
- 1990-12-20 DE DE69026063T patent/DE69026063T2/de not_active Expired - Fee Related
- 1990-12-20 ES ES90203478T patent/ES2084653T3/es not_active Expired - Lifetime
- 1990-12-20 EP EP90203478A patent/EP0438833B1/fr not_active Expired - Lifetime
- 1990-12-28 JP JP2415515A patent/JP2832493B2/ja not_active Expired - Lifetime
- 1990-12-31 KR KR1019900023035A patent/KR0184862B1/ko not_active Expired - Fee Related

Also Published As

Publication number	Publication date
KR0184862B1 (ko)	1999-04-15
DE69026063D1 (de)	1996-04-25
ES2084653T3 (es)	1996-05-16
KR910014497A (ko)	1991-08-31
JP2832493B2 (ja)	1998-12-09
DE69026063T2 (de)	1996-08-29
AU624756B2 (en)	1992-06-18
AU6813390A (en)	1991-07-04
CA2031874C (fr)	2000-10-10
EP0438833A1 (fr)	1991-07-31
GB9000028D0 (en)	1990-03-07
EP0438833B1 (fr)	1996-03-20
JPH04145199A (ja)	1992-05-19

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Legal Events

Date	Code	Title	Description
1997-10-29	EEER	Examination request
2002-12-10	MKLA	Lapsed