CA2292601A1 - Polymerization process controller - Google Patents

Polymerization process controller Download PDF

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Publication number
CA2292601A1
CA2292601A1 CA002292601A CA2292601A CA2292601A1 CA 2292601 A1 CA2292601 A1 CA 2292601A1 CA 002292601 A CA002292601 A CA 002292601A CA 2292601 A CA2292601 A CA 2292601A CA 2292601 A1 CA2292601 A1 CA 2292601A1
Authority
CA
Canada
Prior art keywords
polymerization
process controller
integral
reaction heat
polymerization process
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
CA002292601A
Other languages
French (fr)
Other versions
CA2292601C (en
Inventor
Jan Jelinek
Vladimir Havlena
Josef Horak
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.)
Honeywell Inc
Original Assignee
Honeywell Inc.
Jan Jelinek
Vladimir Havlena
Josef Horak
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 Honeywell Inc., Jan Jelinek, Vladimir Havlena, Josef Horak filed Critical Honeywell Inc.
Publication of CA2292601A1 publication Critical patent/CA2292601A1/en
Application granted granted Critical
Publication of CA2292601C publication Critical patent/CA2292601C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
    • G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
    • G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
    • G05B13/042—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators in which a parameter or coefficient is automatically adjusted to optimise the performance
    • 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
    • B01J19/0006—Controlling or regulating processes
    • 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
    • B01J19/0006—Controlling or regulating processes
    • B01J19/0013—Controlling the temperature of the process
    • 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
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • 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
    • C08F2/00—Processes of polymerisation
    • 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
    • B01J2219/00074—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

Abstract

A batch polymerization process controller using inferential sensing to determine the integral reaction heat which in turn is used to indicate the degree of polymerization of the reaction mixture batch. The system uses a reaction temperature compared with a desired temperature, and the result is used as a feedback to monitor and control the process. One version of the process controller also uses a feedforward signal which is an integral reaction heat indication from a process model. In another version of the process controller, the integral reaction heat is compared with a desired integral reaction heat, and result is used as another feedback to monitor and control the process. Heat production and reaction temperature profiles may be used, along with the thermokinetic equations to determine the polymerization process and reactor models which are utilized by the process controller to optimize the polymerization process in terms of efficient use of cooling water and desired polymerization of each mixture batch.
CA002292601A 1997-06-30 1998-06-26 Polymerization process controller Expired - Fee Related CA2292601C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/885,562 US6106785A (en) 1997-06-30 1997-06-30 Polymerization process controller
US08/885,562 1997-06-30
PCT/US1998/013232 WO1999000717A1 (en) 1997-06-30 1998-06-26 Polymerization process controller

Publications (2)

Publication Number Publication Date
CA2292601A1 true CA2292601A1 (en) 1999-01-07
CA2292601C CA2292601C (en) 2007-07-03

Family

ID=25387195

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002292601A Expired - Fee Related CA2292601C (en) 1997-06-30 1998-06-26 Polymerization process controller

Country Status (6)

Country Link
US (2) US6106785A (en)
EP (1) EP0995150B1 (en)
JP (1) JP4002305B2 (en)
CA (1) CA2292601C (en)
DE (1) DE69801508T2 (en)
WO (1) WO1999000717A1 (en)

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Also Published As

Publication number Publication date
US6106785A (en) 2000-08-22
EP0995150B1 (en) 2001-08-29
DE69801508T2 (en) 2002-05-08
CA2292601C (en) 2007-07-03
JP2002511963A (en) 2002-04-16
US6440374B1 (en) 2002-08-27
JP4002305B2 (en) 2007-10-31
EP0995150A1 (en) 2000-04-26
WO1999000717A1 (en) 1999-01-07
DE69801508D1 (en) 2001-10-04

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