WO1997045522A1 - Procede de recuperation d'hydrofluorocarbures et procede de nettoyage d'articles - Google Patents

Procede de recuperation d'hydrofluorocarbures et procede de nettoyage d'articles Download PDF

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Publication number
WO1997045522A1
WO1997045522A1 PCT/JP1997/001808 JP9701808W WO9745522A1 WO 1997045522 A1 WO1997045522 A1 WO 1997045522A1 JP 9701808 W JP9701808 W JP 9701808W WO 9745522 A1 WO9745522 A1 WO 9745522A1
Authority
WO
WIPO (PCT)
Prior art keywords
cyclic
hydrocarbon
layer
washing
hydrofluorocarbon
Prior art date
Application number
PCT/JP1997/001808
Other languages
English (en)
Japanese (ja)
Inventor
Toshiro Yamada
Mitsuru Sugawara
Kuniaki Goto
Original Assignee
Nippon Zeon Co., 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.)
Filing date
Publication date
Application filed by Nippon Zeon Co., Ltd. filed Critical Nippon Zeon Co., Ltd.
Publication of WO1997045522A1 publication Critical patent/WO1997045522A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
    • D06L1/10—Regeneration of used chemical baths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B01D17/0211—Separation of non-miscible liquids by sedimentation with baffles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/04—Breaking emulsions
    • B01D17/042—Breaking emulsions by changing the temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/04—Breaking emulsions
    • B01D17/048—Breaking emulsions by changing the state of aggregation
    • 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
    • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
    • C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

On sépare un mélange homogène de liquides comprenant un hydrocarbure et un hydrofluorocarbure cyclique en le refroidissant pour le transformer en une couche d'hydrocarbure et une couche d'hydrofluorocarbure cyclique, la dernière étant seule récupérée et constituant au moins une partie de l'hydrofluorocarbure cyclique utilisé pour le rinçage et/ou le séchage à la vapeur.
PCT/JP1997/001808 1996-05-30 1997-05-28 Procede de recuperation d'hydrofluorocarbures et procede de nettoyage d'articles WO1997045522A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8/159097 1996-05-30
JP15909796 1996-05-30

Publications (1)

Publication Number Publication Date
WO1997045522A1 true WO1997045522A1 (fr) 1997-12-04

Family

ID=15686180

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1997/001808 WO1997045522A1 (fr) 1996-05-30 1997-05-28 Procede de recuperation d'hydrofluorocarbures et procede de nettoyage d'articles

Country Status (1)

Country Link
WO (1) WO1997045522A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998051651A1 (fr) * 1997-05-16 1998-11-19 Nippon Zeon Co., Ltd. Hydrocarbures fluores, detergents, procede detergent, fluides a base de polymeres et procede de formation de films polymeres

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0425598A (ja) * 1990-05-21 1992-01-29 Agency Of Ind Science & Technol 洗浄用溶剤
JPH05184807A (ja) * 1992-01-17 1993-07-27 Asahi Chem Ind Co Ltd 物品表面からの可燃性溶剤の除去方法
JPH05331490A (ja) * 1992-05-29 1993-12-14 Asahi Glass Co Ltd 洗浄用溶剤組成物
JPH05331489A (ja) * 1992-05-29 1993-12-14 Asahi Glass Co Ltd 洗浄に用いる溶剤組成物
JPH07194901A (ja) * 1994-01-11 1995-08-01 Asahi Glass Co Ltd 洗浄乾燥方法
JPH07197092A (ja) * 1993-12-28 1995-08-01 Asahi Glass Co Ltd 洗浄乾燥方法
JPH07265604A (ja) * 1994-03-31 1995-10-17 Asahi Glass Co Ltd 洗浄乾燥方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0425598A (ja) * 1990-05-21 1992-01-29 Agency Of Ind Science & Technol 洗浄用溶剤
JPH05184807A (ja) * 1992-01-17 1993-07-27 Asahi Chem Ind Co Ltd 物品表面からの可燃性溶剤の除去方法
JPH05331490A (ja) * 1992-05-29 1993-12-14 Asahi Glass Co Ltd 洗浄用溶剤組成物
JPH05331489A (ja) * 1992-05-29 1993-12-14 Asahi Glass Co Ltd 洗浄に用いる溶剤組成物
JPH07197092A (ja) * 1993-12-28 1995-08-01 Asahi Glass Co Ltd 洗浄乾燥方法
JPH07194901A (ja) * 1994-01-11 1995-08-01 Asahi Glass Co Ltd 洗浄乾燥方法
JPH07265604A (ja) * 1994-03-31 1995-10-17 Asahi Glass Co Ltd 洗浄乾燥方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998051651A1 (fr) * 1997-05-16 1998-11-19 Nippon Zeon Co., Ltd. Hydrocarbures fluores, detergents, procede detergent, fluides a base de polymeres et procede de formation de films polymeres
US6312759B1 (en) 1997-05-16 2001-11-06 Nippon Zeon Co., Ltd. Fluorinated hydrocarbons, detergents, deterging method, polymer-containing fluids, and method of forming polymer films

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