CH608507A5 - Process for removing encrustations from the walls in contact with the gas phase in polymerisers for vinyl chloride suspensions - Google Patents

Process for removing encrustations from the walls in contact with the gas phase in polymerisers for vinyl chloride suspensions

Info

Publication number
CH608507A5
CH608507A5 CH997376A CH997376A CH608507A5 CH 608507 A5 CH608507 A5 CH 608507A5 CH 997376 A CH997376 A CH 997376A CH 997376 A CH997376 A CH 997376A CH 608507 A5 CH608507 A5 CH 608507A5
Authority
CH
Switzerland
Prior art keywords
polymerisers
walls
contact
gas phase
vinyl chloride
Prior art date
Application number
CH997376A
Inventor
Dionigi Baldini
Francesco Carlin
Giancarlo Montanari
Original Assignee
Anic Spa
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 Anic Spa filed Critical Anic Spa
Publication of CH608507A5 publication Critical patent/CH608507A5/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/0073—Sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/0066—Stirrers
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F14/02—Monomers containing chlorine
    • C08F14/04—Monomers containing two carbon atoms
    • C08F14/06—Vinyl chloride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00162—Controlling or regulating processes controlling the pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
CH997376A 1975-08-08 1976-08-04 Process for removing encrustations from the walls in contact with the gas phase in polymerisers for vinyl chloride suspensions CH608507A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT26219/75A IT1044367B (en) 1975-08-08 1975-08-08 PROCEDURE FOR THE REMOVAL OF STAINS FROM PARTS IN CONTACT WITH THE GASEOUS PHASE IN SUSPENSION VINYL CHLORIDE POLYMERIZERS

Publications (1)

Publication Number Publication Date
CH608507A5 true CH608507A5 (en) 1979-01-15

Family

ID=11218967

Family Applications (1)

Application Number Title Priority Date Filing Date
CH997376A CH608507A5 (en) 1975-08-08 1976-08-04 Process for removing encrustations from the walls in contact with the gas phase in polymerisers for vinyl chloride suspensions

Country Status (31)

Country Link
JP (1) JPS5237990A (en)
AR (1) AR211275A1 (en)
AT (1) AT351256B (en)
AU (1) AU506993B2 (en)
BE (1) BE844978A (en)
BG (1) BG33298A3 (en)
CA (1) CA1083750A (en)
CH (1) CH608507A5 (en)
CS (1) CS209874B2 (en)
DD (1) DD126262A5 (en)
DE (1) DE2635487C3 (en)
DK (1) DK147423C (en)
EG (1) EG12260A (en)
ES (1) ES450917A1 (en)
FR (1) FR2320314A1 (en)
GB (1) GB1519359A (en)
IE (1) IE44309B1 (en)
IL (1) IL50152A (en)
IN (2) IN144224B (en)
IT (1) IT1044367B (en)
LU (1) LU75552A1 (en)
MX (1) MX3261E (en)
NL (1) NL164869C (en)
NO (1) NO147030C (en)
PH (1) PH13287A (en)
PT (1) PT65447B (en)
RO (1) RO72240A (en)
SE (1) SE429554B (en)
TR (1) TR19096A (en)
YU (1) YU39217B (en)
ZA (1) ZA764470B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058652A (en) * 1976-02-10 1977-11-15 Exxon Research & Engineering Co. Autorefrigeration process and apparatus
DE3637060C2 (en) * 1986-10-31 1999-02-04 Wacker Chemie Gmbh Device for spraying or injecting liquid into a container and its use
DE60016112T2 (en) * 1999-08-27 2005-11-03 Rohm And Haas Co. Process for the purification of reactors
EP1471077A3 (en) * 1999-08-27 2005-02-02 Rohm And Haas Company Process for cleaning reactors
ES2551414T3 (en) 2010-12-14 2015-11-18 Sasol Technology (Proprietary) Limited Cleaning process equipment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2239942B2 (en) * 1972-08-14 1979-08-30 Wacker-Chemie Gmbh, 8000 Muenchen Process for the polymerization of vinyl chloride

Also Published As

Publication number Publication date
GB1519359A (en) 1978-07-26
IN144224B (en) 1978-04-08
DE2635487C3 (en) 1985-07-18
IE44309B1 (en) 1981-10-21
BG33298A3 (en) 1983-01-14
NO147030C (en) 1984-09-07
DK147423C (en) 1985-02-18
PH13287A (en) 1980-03-04
AU1641176A (en) 1978-02-02
ES450917A1 (en) 1977-08-16
FR2320314B1 (en) 1979-08-17
NO762717L (en) 1977-02-09
ATA585376A (en) 1978-12-15
YU192376A (en) 1982-05-31
AU506993B2 (en) 1980-01-31
FR2320314A1 (en) 1977-03-04
TR19096A (en) 1978-05-16
NL164869B (en) 1980-09-15
IN144965B (en) 1978-10-05
CA1083750A (en) 1980-08-12
PT65447B (en) 1978-02-10
CS209874B2 (en) 1981-12-31
DD126262A5 (en) 1977-07-06
IL50152A (en) 1979-11-30
PT65447A (en) 1976-09-01
EG12260A (en) 1978-12-31
BE844978A (en) 1977-02-07
IT1044367B (en) 1980-03-20
NL7608848A (en) 1977-02-10
SE429554B (en) 1983-09-12
NO147030B (en) 1982-10-11
DK147423B (en) 1984-07-30
LU75552A1 (en) 1977-03-25
DK355276A (en) 1977-02-09
RO72240A (en) 1981-11-04
YU39217B (en) 1984-08-31
AT351256B (en) 1979-07-10
IE44309L (en) 1977-02-08
DE2635487A1 (en) 1977-06-30
MX3261E (en) 1980-08-12
IL50152A0 (en) 1976-09-30
DE2635487B2 (en) 1980-02-14
JPS5237990A (en) 1977-03-24
AR211275A1 (en) 1977-11-15
NL164869C (en) 1981-02-16
ZA764470B (en) 1977-07-27
SE7608867L (en) 1977-02-09

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Legal Events

Date Code Title Description
PFA Name/firm changed

Owner name: ENICHEM ANIC S.P.A.

PL Patent ceased