BR9714450A - Controle em linha de uma instalação industrial de processo quìmico - Google Patents

Controle em linha de uma instalação industrial de processo quìmico

Info

Publication number
BR9714450A
BR9714450A BR9714450-9A BR9714450A BR9714450A BR 9714450 A BR9714450 A BR 9714450A BR 9714450 A BR9714450 A BR 9714450A BR 9714450 A BR9714450 A BR 9714450A
Authority
BR
Brazil
Prior art keywords
control
online
chemical process
measurement
properties
Prior art date
Application number
BR9714450-9A
Other languages
English (en)
Inventor
Michael F Mcdonald
Robert L Long
Carl J Thomas
Original Assignee
Exxon Chemical Patents 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21877515&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9714450(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Exxon Chemical Patents Inc filed Critical Exxon Chemical Patents Inc
Publication of BR9714450A publication Critical patent/BR9714450A/pt

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
    • 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
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/04—Monomers containing three or four carbon atoms
    • C08F210/08—Butenes
    • C08F210/10—Isobutene
    • C08F210/12—Isobutene with conjugated diolefins, e.g. butyl rubber
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/45—Interferometric spectrometry
    • G01J3/453—Interferometric spectrometry by correlation of the amplitudes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • 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
    • C08F2400/00—Characteristics for processes of polymerization
    • C08F2400/02—Control or adjustment of polymerization parameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N2021/3595—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using FTIR
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N2021/8411—Application to online plant, process monitoring
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/129—Using chemometrical methods

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Polymerisation Methods In General (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)

Abstract

Patente de Invenção: <B>"CONTROLE EM LINHA DE UMA PLANTA DE PROCESSO QUìMICO''<D>. é fornecida uma planta de processo para a produção de borracha de halobutila com monitoração e controle em linha dos parâmetros do processo para controlar as propriedades do produto. Ela incorpora um sistema de medida <MU>in situ<MV> que não requer a remoção de qualquer material de amostra a partir do processo. Ela usa um espectrómetro de ''Fourier Transform Near Infrared" (FTNIR), cabos de fibra ótica, um viscosímetro para medir a viscosidade da solução e um ''Resistance Temperature Device'' (RTD) para medida de temperatura. Um sistema analisador em tempo real em linha que usa um programa "Constrained Principal Spectral Analysis'' prevê a propriedade do produto polimérico e fornece o sistema de controle do processo com análise dos dados usando relações derivadas entre as propriedades físicas do polímero e estas medidas de espectros e os valores medidos da viscosidade de fluido e da temperatura. As diferenças entre a propriedade prevista e desejada do produto são usadas para controlar os parâmetros do processo. O método pode ser usado para uma variedade de plantas de processo químico.
BR9714450-9A 1996-12-31 1997-12-31 Controle em linha de uma instalação industrial de processo quìmico BR9714450A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3461496P 1996-12-31 1996-12-31
PCT/US1997/023734 WO1998029787A1 (en) 1996-12-31 1997-12-31 On-line control of a chemical process plant

Publications (1)

Publication Number Publication Date
BR9714450A true BR9714450A (pt) 2000-12-05

Family

ID=21877515

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9714450-9A BR9714450A (pt) 1996-12-31 1997-12-31 Controle em linha de uma instalação industrial de processo quìmico

Country Status (18)

Country Link
US (1) US6072576A (pt)
EP (1) EP0948761B2 (pt)
JP (1) JP4435307B2 (pt)
KR (1) KR100500802B1 (pt)
CN (1) CN1105956C (pt)
AU (1) AU727750B2 (pt)
BR (1) BR9714450A (pt)
CA (1) CA2276624C (pt)
DE (1) DE69705323T3 (pt)
ES (1) ES2160983T5 (pt)
HK (1) HK1026034A1 (pt)
IL (1) IL130731A (pt)
MY (1) MY117038A (pt)
NO (1) NO316346B1 (pt)
PL (1) PL334397A1 (pt)
RU (1) RU99116247A (pt)
TW (2) TW558557B (pt)
WO (1) WO1998029787A1 (pt)

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DE69705323T2 (de) 2002-04-25
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