CA2094165C - Process for vessel decontamination - Google Patents

Process for vessel decontamination

Info

Publication number: CA2094165C
Authority: CA; Canada
Prior art keywords: extractant; surfactant; steam; vessel; equipment
Prior art date: 1992-12-30
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

CA002094165A

Other languages

English (en)

French (fr)

Other versions

CA2094165A1 (en

Inventor

Nishaneth K. Mehta

Richard W. Krajicek

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.)

PSC INDUSTRIAL OUTSOURCING Inc

Original Assignee

Individual

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.)

1992-12-30

Filing date

1993-04-16

Publication date

1999-12-07

1992-12-30 Priority claimed from US07/998,556 external-priority patent/US5356482A/en

1993-04-16 Application filed by Individual filed Critical Individual

1994-07-01 Publication of CA2094165A1 publication Critical patent/CA2094165A1/en

1999-12-07 Application granted granted Critical

1999-12-07 Publication of CA2094165C publication Critical patent/CA2094165C/en

2013-04-16 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 152
230000008569 process Effects 0.000 title claims abstract description 117
238000005202 decontamination Methods 0.000 title abstract description 11
230000003588 decontaminative effect Effects 0.000 title abstract description 10
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 156
239000004094 surface-active agent Substances 0.000 claims abstract description 96
239000000356 contaminant Substances 0.000 claims abstract description 66
238000012423 maintenance Methods 0.000 claims abstract description 18
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 91
239000000243 solution Substances 0.000 claims description 52
239000000203 mixture Substances 0.000 claims description 49
239000000126 substance Substances 0.000 claims description 36
238000004140 cleaning Methods 0.000 claims description 33
239000012530 fluid Substances 0.000 claims description 27
239000007788 liquid Substances 0.000 claims description 27
239000000839 emulsion Substances 0.000 claims description 26
150000002430 hydrocarbons Chemical group 0.000 claims description 24
229930195733 hydrocarbon Natural products 0.000 claims description 23
239000004215 Carbon black (E152) Substances 0.000 claims description 22
238000011109 contamination Methods 0.000 claims description 22
235000007586 terpenes Nutrition 0.000 claims description 22
150000003505 terpenes Chemical class 0.000 claims description 18
230000008439 repair process Effects 0.000 claims description 17
239000007864 aqueous solution Substances 0.000 claims description 13
238000002347 injection Methods 0.000 claims description 13
239000007924 injection Substances 0.000 claims description 13
238000009835 boiling Methods 0.000 claims description 12
238000004891 communication Methods 0.000 claims description 12
239000007787 solid Substances 0.000 claims description 12
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 11
241000282412 Homo Species 0.000 claims description 10
238000010438 heat treatment Methods 0.000 claims description 9
239000010779 crude oil Substances 0.000 claims description 8
-1 extractant Substances 0.000 claims description 8
238000012545 processing Methods 0.000 claims description 8
238000009833 condensation Methods 0.000 claims description 7
230000005494 condensation Effects 0.000 claims description 7
238000011049 filling Methods 0.000 claims description 7
230000009545 invasion Effects 0.000 claims description 7
GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 5
238000010793 Steam injection (oil industry) Methods 0.000 claims description 5
239000000571 coke Substances 0.000 claims description 5
235000014113 dietary fatty acids Nutrition 0.000 claims description 5
230000001804 emulsifying effect Effects 0.000 claims description 5
239000000194 fatty acid Substances 0.000 claims description 5
229930195729 fatty acid Natural products 0.000 claims description 5
150000004665 fatty acids Chemical class 0.000 claims description 5
231100001261 hazardous Toxicity 0.000 claims description 5
238000001311 chemical methods and process Methods 0.000 claims description 4
230000000694 effects Effects 0.000 claims description 4
238000004945 emulsification Methods 0.000 claims description 4
238000005086 pumping Methods 0.000 claims description 4
238000007670 refining Methods 0.000 claims description 4
238000010992 reflux Methods 0.000 claims description 4
125000002091 cationic group Chemical group 0.000 claims description 2
239000000383 hazardous chemical Substances 0.000 claims description 2
238000010008 shearing Methods 0.000 claims 7
239000011148 porous material Substances 0.000 claims 6
125000000545 (4R)-limonene group Chemical group 0.000 claims 4
XMGQYMWWDOXHJM-JTQLQIEISA-N D-limonene Natural products CC(=C)[C@@H]1CCC(C)=CC1 XMGQYMWWDOXHJM-JTQLQIEISA-N 0.000 claims 4
125000000217 alkyl group Chemical group 0.000 claims 4
229920001400 block copolymer Polymers 0.000 claims 4
125000004432 carbon atom Chemical group C* 0.000 claims 4
125000002298 terpene group Chemical group 0.000 claims 4
238000005194 fractionation Methods 0.000 claims 3
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
229910052799 carbon Inorganic materials 0.000 claims 2
238000011010 flushing procedure Methods 0.000 claims 2
239000002280 amphoteric surfactant Substances 0.000 claims 1
239000003093 cationic surfactant Substances 0.000 claims 1
239000003995 emulsifying agent Substances 0.000 claims 1
239000003209 petroleum derivative Substances 0.000 claims 1
230000003134 recirculating effect Effects 0.000 claims 1
238000004064 recycling Methods 0.000 claims 1
239000002904 solvent Substances 0.000 claims 1
239000000463 material Substances 0.000 abstract description 18
238000007689 inspection Methods 0.000 abstract description 4
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 8
229910000037 hydrogen sulfide Inorganic materials 0.000 description 8
238000012856 packing Methods 0.000 description 7
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
239000007789 gas Substances 0.000 description 6
229910052751 metal Inorganic materials 0.000 description 6
239000002184 metal Substances 0.000 description 6
239000004530 micro-emulsion Substances 0.000 description 6
238000013019 agitation Methods 0.000 description 5
238000004821 distillation Methods 0.000 description 5
239000013505 freshwater Substances 0.000 description 5
238000010025 steaming Methods 0.000 description 5
XMGQYMWWDOXHJM-UHFFFAOYSA-N limonene Chemical compound CC(=C)C1CCC(C)=CC1 XMGQYMWWDOXHJM-UHFFFAOYSA-N 0.000 description 4
238000005406 washing Methods 0.000 description 4
241000196324 Embryophyta Species 0.000 description 3
239000002585 base Substances 0.000 description 3
230000006872 improvement Effects 0.000 description 3
239000003381 stabilizer Substances 0.000 description 3
239000012855 volatile organic compound Substances 0.000 description 3
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
239000002253 acid Substances 0.000 description 2
125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
231100000357 carcinogen Toxicity 0.000 description 2
239000003183 carcinogenic agent Substances 0.000 description 2
238000013461 design Methods 0.000 description 2
230000007613 environmental effect Effects 0.000 description 2
239000002360 explosive Substances 0.000 description 2
230000036541 health Effects 0.000 description 2
235000001510 limonene Nutrition 0.000 description 2
229940087305 limonene Drugs 0.000 description 2
150000002628 limonene derivativess Chemical class 0.000 description 2
239000011159 matrix material Substances 0.000 description 2
239000003921 oil Substances 0.000 description 2
238000002791 soaking Methods 0.000 description 2
238000012360 testing method Methods 0.000 description 2
239000008096 xylene Substances 0.000 description 2
IEORSVTYLWZQJQ-UHFFFAOYSA-N 2-(2-nonylphenoxy)ethanol Chemical compound CCCCCCCCCC1=CC=CC=C1OCCO IEORSVTYLWZQJQ-UHFFFAOYSA-N 0.000 description 1
QJRVOJKLQNSNDB-UHFFFAOYSA-N 4-dodecan-3-ylbenzenesulfonic acid Chemical compound CCCCCCCCCC(CC)C1=CC=C(S(O)(=O)=O)C=C1 QJRVOJKLQNSNDB-UHFFFAOYSA-N 0.000 description 1
101150034533 ATIC gene Proteins 0.000 description 1
240000000662 Anethum graveolens Species 0.000 description 1
208000032467 Aplastic anaemia Diseases 0.000 description 1
241000726103 Atta Species 0.000 description 1
206010065553 Bone marrow failure Diseases 0.000 description 1
240000000467 Carum carvi Species 0.000 description 1
235000005747 Carum carvi Nutrition 0.000 description 1
241000518994 Conta Species 0.000 description 1
244000166675 Cymbopogon nardus Species 0.000 description 1
235000018791 Cymbopogon nardus Nutrition 0.000 description 1
241000208152 Geranium Species 0.000 description 1
RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical class CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
244000179970 Monarda didyma Species 0.000 description 1
235000010672 Monarda didyma Nutrition 0.000 description 1
XOJVVFBFDXDTEG-UHFFFAOYSA-N Norphytane Natural products CC(C)CCCC(C)CCCC(C)CCCC(C)C XOJVVFBFDXDTEG-UHFFFAOYSA-N 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
239000004480 active ingredient Substances 0.000 description 1
125000001931 aliphatic group Chemical group 0.000 description 1
239000003513 alkali Substances 0.000 description 1
238000005576 amination reaction Methods 0.000 description 1
125000000129 anionic group Chemical group 0.000 description 1
238000013459 approach Methods 0.000 description 1
239000012736 aqueous medium Substances 0.000 description 1
230000008901 benefit Effects 0.000 description 1
WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 description 1
230000000711 cancerogenic effect Effects 0.000 description 1
150000003323 caryophyllene derivatives Chemical class 0.000 description 1
238000004523 catalytic cracking Methods 0.000 description 1
230000003197 catalytic effect Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
230000001684 chronic effect Effects 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
229920001577 copolymer Polymers 0.000 description 1
230000002498 deadly effect Effects 0.000 description 1
238000007872 degassing Methods 0.000 description 1
230000003292 diminished effect Effects 0.000 description 1
238000007599 discharging Methods 0.000 description 1
229930004069 diterpene Natural products 0.000 description 1
125000000567 diterpene group Chemical group 0.000 description 1
230000001747 exhibiting effect Effects 0.000 description 1
238000000605 extraction Methods 0.000 description 1
238000005187 foaming Methods 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
208000032839 leukemia Diseases 0.000 description 1
239000011344 liquid material Substances 0.000 description 1
239000010808 liquid waste Substances 0.000 description 1
230000007774 longterm Effects 0.000 description 1
238000012806 monitoring device Methods 0.000 description 1
229920000847 nonoxynol Polymers 0.000 description 1
231100000252 nontoxic Toxicity 0.000 description 1
230000003000 nontoxic effect Effects 0.000 description 1
239000002245 particle Substances 0.000 description 1
230000035515 penetration Effects 0.000 description 1
239000003208 petroleum Substances 0.000 description 1
238000005504 petroleum refining Methods 0.000 description 1
239000002574 poison Substances 0.000 description 1
231100000614 poison Toxicity 0.000 description 1
229920001983 poloxamer Polymers 0.000 description 1
150000003097 polyterpenes Chemical class 0.000 description 1
230000002250 progressing effect Effects 0.000 description 1
238000010926 purge Methods 0.000 description 1
239000002516 radical scavenger Substances 0.000 description 1
210000002345 respiratory system Anatomy 0.000 description 1
229930004725 sesquiterpene Natural products 0.000 description 1
150000004354 sesquiterpene derivatives Chemical class 0.000 description 1
239000010802 sludge Substances 0.000 description 1
229910000029 sodium carbonate Inorganic materials 0.000 description 1
238000013020 steam cleaning Methods 0.000 description 1
238000003860 storage Methods 0.000 description 1
231100000419 toxicity Toxicity 0.000 description 1
230000001988 toxicity Effects 0.000 description 1
238000013022 venting Methods 0.000 description 1
239000002699 waste material Substances 0.000 description 1
239000002351 wastewater Substances 0.000 description 1
239000000080 wetting agent Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
- C23G1/26—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions using inhibitors
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- 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
- C11D3/18—Hydrocarbons
- C11D3/188—Terpenes
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/24—Cleaning or pickling metallic material with solutions or molten salts with neutral solutions
- 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
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/38—Cationic compounds
- C11D1/52—Carboxylic amides, alkylolamides or imides or their condensation products with alkylene oxides
- C11D1/523—Carboxylic alkylolamides, or dialkylolamides, or hydroxycarboxylic amides (R1-CO-NR2R3), where R1, R2 or R3 contain one hydroxy group per alkyl group
- 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
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
- 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
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/20—Industrial or commercial equipment, e.g. reactors, tubes or engines

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Mechanical Engineering (AREA)
Organic Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Wood Science & Technology (AREA)
Oil, Petroleum & Natural Gas (AREA)
Life Sciences & Earth Sciences (AREA)
Cleaning By Liquid Or Steam (AREA)
Cleaning In General (AREA)
Wrappers (AREA)
Containers Having Bodies Formed In One Piece (AREA)
Packages (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Physical Or Chemical Processes And Apparatus (AREA)
Detergent Compositions (AREA)

CA002094165A 1992-12-30 1993-04-16 Process for vessel decontamination Expired - Lifetime CA2094165C (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US07/998,556 US5356482A (en)	1991-12-10	1992-12-30	Process for vessel decontamination
US07/998,556		1992-12-30
CN94107939.2A CN1114243A (zh)	1992-12-30	1994-06-28	除去设备污染物的方法

Publications (2)

Publication Number	Publication Date
CA2094165A1 CA2094165A1 (en)	1994-07-01
CA2094165C true CA2094165C (en)	1999-12-07

Family

ID=37075783

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002094165A Expired - Lifetime CA2094165C (en)	1992-12-30	1993-04-16	Process for vessel decontamination

Country Status (8)

Country	Link
EP (1)	EP0604698B1 (da)
CN (1)	CN1114243A (da)
AT (1)	ATE186756T1 (da)
CA (1)	CA2094165C (da)
DE (1)	DE69327034T2 (da)
DK (1)	DK0604698T3 (da)
PT (1)	PT604698E (da)
SG (1)	SG59993A1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2502089A (en) *	2012-05-15	2013-11-20	Pell Frischmann Consultants Ltd	Filtering contaminants from fluid
CN105970244A (zh) *	2016-05-20	2016-09-28	深圳市鑫承诺环保产业股份有限公司	一种金银币母件高精清洗工艺
WO2023052548A1 (en) *	2021-09-30	2023-04-06	Intelligent Fluids Gmbh	Composition and its use in cleaning applications

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2023496A (en) *	1928-03-12	1935-12-10	Verne J Todd	Method for cleaning oil-covered surfaces
US1891592A (en) *	1932-07-26	1932-12-20	Gerald James W Fitz	Method of cleaning and gas-freeing hydrocarbon storage tanks
US2715594A (en) *	1952-08-26	1955-08-16	Standard Oil Co	Method of cleaning asphalt tanks
US4511488A (en) *	1983-12-05	1985-04-16	Penetone Corporation	D-Limonene based aqueous cleaning compositions
US4869825A (en) *	1987-05-26	1989-09-26	Werner Steiner	Process for the removal of organic contaminants from solids
GB2243842B (en) *	1990-04-12	1993-09-22	Electrolube Limited	Method and compositions for circuit board cleaning using ether-containing terpenoid compounds
EP0559826A4 (en) *	1990-12-07	1993-10-27	Golden Technologies Company, Inc.	Method for finishing metal surfaces with terpene

1993
- 1993-03-17 EP EP93104356A patent/EP0604698B1/en not_active Expired - Lifetime
- 1993-03-17 SG SG1996009473A patent/SG59993A1/en unknown
- 1993-03-17 AT AT93104356T patent/ATE186756T1/de not_active IP Right Cessation
- 1993-03-17 DK DK93104356T patent/DK0604698T3/da active
- 1993-03-17 DE DE69327034T patent/DE69327034T2/de not_active Expired - Lifetime
- 1993-03-17 PT PT93104356T patent/PT604698E/pt unknown
- 1993-04-16 CA CA002094165A patent/CA2094165C/en not_active Expired - Lifetime
1994
- 1994-06-28 CN CN94107939.2A patent/CN1114243A/zh active Pending

Also Published As

Publication number	Publication date
EP0604698A3 (en)	1996-12-11
PT604698E (pt)	2000-05-31
ATE186756T1 (de)	1999-12-15
CN1114243A (zh)	1996-01-03
EP0604698A2 (en)	1994-07-06
DK0604698T3 (da)	2000-04-03
SG59993A1 (en)	1999-02-22
DE69327034T2 (de)	2000-05-25
DE69327034D1 (de)	1999-12-23
CA2094165A1 (en)	1994-07-01
EP0604698B1 (en)	1999-11-17

Legal Events

Date	Code	Title	Description
1994-09-16	EEER	Examination request
2013-05-28	MKLA	Lapsed	Effective date: 20130416
2013-10-09	MKEC	Expiry (correction)	Effective date: 20131009

Publication	Publication Date	Title
US5356482A (en)	1994-10-18	Process for vessel decontamination
US5389156A (en)	1995-02-14	Decontamination of hydrocarbon process equipment
US5425814A (en)	1995-06-20	Method for quick turnaround of hydrocarbon processing units
US6893509B2 (en)	2005-05-17	Method of cleaning vessels in a refinery
US4443269A (en)	1984-04-17	Tool decontamination method
US5300154A (en)	1994-04-05	Methods for cleaning articles
US5406010A (en)	1995-04-11	Method of reclaiming styrene and other products from polystyrene based products
CA2978544C (en)	2019-09-24	Decontamination and cleaning process for hydrocarbon contaminated equipment
US5611869A (en)	1997-03-18	Refinery vessel cleaning treatment
US5663135A (en)	1997-09-02	Terpene-based cleaning composition
US6462011B1 (en)	2002-10-08	Method of and composition for treating hydrocarbon based materials
CA2094165C (en)	1999-12-07	Process for vessel decontamination
EP0553208B1 (en)	1996-08-07	Method and composition for cleaning articles
US20200276574A1 (en)	2020-09-03	Solvent System for Cleaning Fixed Bed Reactor Catalyst in Situ
JP2766186B2 (ja)	1998-06-18	容器の除染方法
KR102586683B1 (ko)	2023-10-06	오염된 산업 장비를 세정하기 위한 용매 조성물 및 방법
US10882081B2 (en)	2021-01-05	Chemical compositions and method for degassing of processing equipment
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