DK0604698T3 - Process for decontamination of containers - Google Patents

Process for decontamination of containers

Info

Publication number
DK0604698T3
DK0604698T3 DK93104356T DK93104356T DK0604698T3 DK 0604698 T3 DK0604698 T3 DK 0604698T3 DK 93104356 T DK93104356 T DK 93104356T DK 93104356 T DK93104356 T DK 93104356T DK 0604698 T3 DK0604698 T3 DK 0604698T3
Authority
DK
Denmark
Prior art keywords
decontamination
vessel
containers
contaminant
condense
Prior art date
Application number
DK93104356T
Other languages
Danish (da)
Inventor
Nishaneth K Mehta
Richard W Krajicek
Original Assignee
Serv Tech 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.)
Filing date
Publication date
Priority claimed from US07/998,556 external-priority patent/US5356482A/en
Application filed by Serv Tech Inc filed Critical Serv Tech Inc
Application granted granted Critical
Publication of DK0604698T3 publication Critical patent/DK0604698T3/en

Links

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
    • C11D2111/20—

Abstract

An improved process for the decontamination of process equipment and vessels is described wherein an extractant material for the contaminant and a surfactant are vaporized, heated with steam, to condense on the internal surfaces of the vessel to trap contaminants, such as benzene, for removal from the vessel to allow safe entry for humans for inspection and maintenance.
DK93104356T 1992-12-30 1993-03-17 Process for decontamination of containers DK0604698T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/998,556 US5356482A (en) 1991-12-10 1992-12-30 Process for vessel decontamination
CN94107939.2A CN1114243A (en) 1992-12-30 1994-06-28 Process for vessel decontamination

Publications (1)

Publication Number Publication Date
DK0604698T3 true DK0604698T3 (en) 2000-04-03

Family

ID=37075783

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93104356T DK0604698T3 (en) 1992-12-30 1993-03-17 Process for decontamination of containers

Country Status (8)

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

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 (en) * 2016-05-20 2016-09-28 深圳市鑫承诺环保产业股份有限公司 High-precision washing process for raw part of gold coin or silver coin
CA3228998A1 (en) * 2021-09-30 2023-04-06 Ronny TEPPER 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

Also Published As

Publication number Publication date
ATE186756T1 (en) 1999-12-15
EP0604698A3 (en) 1996-12-11
EP0604698B1 (en) 1999-11-17
DE69327034D1 (en) 1999-12-23
CN1114243A (en) 1996-01-03
CA2094165C (en) 1999-12-07
CA2094165A1 (en) 1994-07-01
DE69327034T2 (en) 2000-05-25
SG59993A1 (en) 1999-02-22
PT604698E (en) 2000-05-31
EP0604698A2 (en) 1994-07-06

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