CA1055531A - Cracking process - Google Patents

Cracking process

Info

Publication number
CA1055531A
CA1055531A CA231,878A CA231878A CA1055531A CA 1055531 A CA1055531 A CA 1055531A CA 231878 A CA231878 A CA 231878A CA 1055531 A CA1055531 A CA 1055531A
Authority
CA
Canada
Prior art keywords
polymer
reaction zone
cracking
gas
polyethylene
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.)
Expired
Application number
CA231,878A
Other languages
English (en)
French (fr)
Inventor
George E. Keller (Ii)
Charles W. Albright
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 US05/498,990 external-priority patent/US3985820A/en
Application filed by Union Carbide Corp filed Critical Union Carbide Corp
Application granted granted Critical
Publication of CA1055531A publication Critical patent/CA1055531A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
    • C07C4/22—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by depolymerisation to the original monomer, e.g. dicyclopentadiene to cyclopentadiene
    • 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
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00058—Temperature measurement
    • 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
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00065—Pressure measurement
    • 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
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00069—Flow rate measurement
    • 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
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00072—Mathematical modelling
    • 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
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094—Jackets
    • 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
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00157—Controlling the temperature by means of a burner
    • 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
    • B01J2219/00168—Controlling or regulating processes controlling the viscosity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Coke Industry (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
CA231,878A 1974-08-20 1975-07-21 Cracking process Expired CA1055531A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/498,990 US3985820A (en) 1973-05-14 1974-08-20 Cracking process

Publications (1)

Publication Number Publication Date
CA1055531A true CA1055531A (en) 1979-05-29

Family

ID=23983340

Family Applications (1)

Application Number Title Priority Date Filing Date
CA231,878A Expired CA1055531A (en) 1974-08-20 1975-07-21 Cracking process

Country Status (11)

Country Link
JP (1) JPS56411B2 (enrdf_load_html_response)
AU (1) AU8403375A (enrdf_load_html_response)
BE (1) BE832539A (enrdf_load_html_response)
BR (1) BR7505278A (enrdf_load_html_response)
CA (1) CA1055531A (enrdf_load_html_response)
DE (1) DE2536808A1 (enrdf_load_html_response)
FR (1) FR2282415A1 (enrdf_load_html_response)
GB (1) GB1489662A (enrdf_load_html_response)
IT (1) IT1041857B (enrdf_load_html_response)
NL (1) NL7509844A (enrdf_load_html_response)
SE (1) SE401172B (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5050643U (enrdf_load_html_response) * 1973-09-06 1975-05-17
US5481052A (en) * 1992-04-22 1996-01-02 Bp Chemicals Limited Polymer cracking

Also Published As

Publication number Publication date
NL7509844A (nl) 1976-02-24
FR2282415A1 (fr) 1976-03-19
BE832539A (fr) 1976-02-19
JPS56411B2 (enrdf_load_html_response) 1981-01-08
GB1489662A (en) 1977-10-26
SE7509269L (sv) 1976-02-23
IT1041857B (it) 1980-01-10
SE401172B (sv) 1978-04-24
BR7505278A (pt) 1976-08-03
JPS5143701A (enrdf_load_html_response) 1976-04-14
AU8403375A (en) 1977-02-24
DE2536808A1 (de) 1976-03-04

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