FR2317019A1 - Procede pour nettoyer au solvant les surfaces internes de reacteurs de polymerisation et recuperer le solvant - Google Patents

Procede pour nettoyer au solvant les surfaces internes de reacteurs de polymerisation et recuperer le solvant

Info

Publication number
FR2317019A1
FR2317019A1 FR7620787A FR7620787A FR2317019A1 FR 2317019 A1 FR2317019 A1 FR 2317019A1 FR 7620787 A FR7620787 A FR 7620787A FR 7620787 A FR7620787 A FR 7620787A FR 2317019 A1 FR2317019 A1 FR 2317019A1
Authority
FR
France
Prior art keywords
solvent
recovering
cleaning
internal surfaces
polymerization reactors
Prior art date
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
FR7620787A
Other languages
English (en)
Other versions
FR2317019B1 (fr
Inventor
Bruce Edward Jensen
Jimmie Glenn Tolar
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.)
Air Products and Chemicals Inc
Original Assignee
Air Products and Chemicals 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
Application filed by Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Priority to BE174557A priority Critical patent/BE850968A/fr
Publication of FR2317019A1 publication Critical patent/FR2317019A1/fr
Application granted granted Critical
Publication of FR2317019B1 publication Critical patent/FR2317019B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
FR7620787A 1975-07-11 1976-07-07 Procede pour nettoyer au solvant les surfaces internes de reacteurs de polymerisation et recuperer le solvant Granted FR2317019A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE174557A BE850968A (fr) 1976-07-07 1977-02-01 Compositions contenant les derives du silicium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/595,134 US4009048A (en) 1975-07-11 1975-07-11 Solvent cleaning and recovery process

Publications (2)

Publication Number Publication Date
FR2317019A1 true FR2317019A1 (fr) 1977-02-04
FR2317019B1 FR2317019B1 (fr) 1982-08-20

Family

ID=24381877

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7620787A Granted FR2317019A1 (fr) 1975-07-11 1976-07-07 Procede pour nettoyer au solvant les surfaces internes de reacteurs de polymerisation et recuperer le solvant

Country Status (7)

Country Link
US (1) US4009048A (fr)
JP (1) JPS6037126B2 (fr)
CA (1) CA1069647A (fr)
DE (1) DE2626561A1 (fr)
FR (1) FR2317019A1 (fr)
GB (1) GB1525077A (fr)
IT (1) IT1078535B (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1061947A (fr) * 1975-06-11 1979-09-04 Horizons Research Incorporated Recuperation du solvant de polyesters thermoplastiques
IT1054700B (it) * 1975-12-23 1981-11-30 Sir Soc Italiana Resine Spa Procedimento per il recupero dei solventi dalle miscele esauste ottenute nella pulizia dei reattori di polimerizzazione del cloruro di vinile
DE3108685C2 (de) * 1981-03-07 1984-04-05 Basf Farben + Fasern Ag, 2000 Hamburg Verfahren zum Reinigen verschmutzter Behälter
JPH01155219U (fr) * 1988-04-14 1989-10-25
US5298081A (en) * 1990-11-19 1994-03-29 Texaco Chemical Company Process for removing cured fiberglass resin from substrates
US5178788A (en) * 1990-11-08 1993-01-12 Texaco Chemical Company Co-solvent system for removing cured fiberglass resin and cured flexible or rigid urethane foams from substrates
US5150576A (en) * 1990-11-16 1992-09-29 Liquid Carbonic Corporation Vapor collecting apparatus
US5183514A (en) * 1991-04-01 1993-02-02 Texaco Chemical Company Process for dissolving or removing rigid polyurethane foam by contacting with 1,2-dimethyl imidazole
US5698045A (en) * 1995-04-13 1997-12-16 Basf Corporation Method of cleaning polymer residues with NMP
DE102004033328A1 (de) * 2004-07-09 2006-02-09 Bhs-Sonthofen Gmbh Filter mit Feststoff-Resuspendierung
US20140271381A1 (en) * 2013-03-18 2014-09-18 Mitsubishi Heavy Industries, Ltd. Apparatus for producing mono-lower-alkyl monoalkanolamine
CN105189640B (zh) * 2013-09-30 2018-04-24 Lg化学株式会社 本体pvc组合物、本体pvc聚合方法及装置
KR101684726B1 (ko) * 2013-09-30 2016-12-20 주식회사 엘지화학 염화비닐 수지의 괴상중합용 장치 및 염화비닐 수지의 괴상중합 방법
CN106731911B (zh) * 2016-12-13 2023-01-20 珠海格力智能装备有限公司 尿素机
CN109758994B (zh) * 2019-03-11 2024-03-19 浙江信汇新材料股份有限公司 一种丁基橡胶反应器清洗装置及其清洗方法
CN115463913B (zh) * 2022-09-14 2023-06-27 明士新材料有限公司 一种聚酰亚胺树脂反应釜清洗装置及清洗方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475218A (en) * 1965-11-08 1969-10-28 Monsanto Co Solvent cleaning system
FR2284616A1 (fr) * 1974-09-10 1976-04-09 Sir Soc Italiana Resine Spa Procede perfectionne pour nettoyer les reacteurs de polymerisation et de copolymerisation du chlorure de vinyle

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3139415A (en) * 1964-06-30 Alcohol
GB547493A (en) * 1941-02-28 1942-08-31 John William Croom Crawford Improvements in or relating to the manufacture of chlorinated polymeric materials
US3393170A (en) * 1966-04-28 1968-07-16 Pennsalt Chemicals Corp Discoloration inhibited amide solutions of vinylidene halide polymers
US3764384A (en) * 1970-07-24 1973-10-09 Gaf Corp Process for removing polyvinyl halide residues from processing equipment
US3778423A (en) * 1971-06-28 1973-12-11 Universal Pvc Resins Method for reducing polymer deposit in polymerization of vinyl chloride
US3862103A (en) * 1971-10-27 1975-01-21 Goodyear Tire & Rubber Method of recovering polymer from its solution

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475218A (en) * 1965-11-08 1969-10-28 Monsanto Co Solvent cleaning system
FR2284616A1 (fr) * 1974-09-10 1976-04-09 Sir Soc Italiana Resine Spa Procede perfectionne pour nettoyer les reacteurs de polymerisation et de copolymerisation du chlorure de vinyle

Also Published As

Publication number Publication date
GB1525077A (en) 1978-09-20
JPS6037126B2 (ja) 1985-08-24
DE2626561A1 (de) 1977-01-27
IT1078535B (it) 1985-05-08
JPS529678A (en) 1977-01-25
CA1069647A (fr) 1980-01-08
FR2317019B1 (fr) 1982-08-20
US4009048A (en) 1977-02-22
DE2626561C2 (fr) 1988-01-14

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Legal Events

Date Code Title Description
ST Notification of lapse