BE782793A - Systeme de controle de la temperature dans un procede a phases liquide et vapeur - Google Patents

Systeme de controle de la temperature dans un procede a phases liquide et vapeur

Info

Publication number
BE782793A
BE782793A BE782793A BE782793A BE782793A BE 782793 A BE782793 A BE 782793A BE 782793 A BE782793 A BE 782793A BE 782793 A BE782793 A BE 782793A BE 782793 A BE782793 A BE 782793A
Authority
BE
Belgium
Prior art keywords
liquid
control system
temperature control
vapor phase
phase process
Prior art date
Application number
BE782793A
Other languages
English (en)
Inventor
B Nmn
B Nmn Hopkins
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Publication of BE782793A publication Critical patent/BE782793A/fr

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/1919Control of temperature characterised by the use of electric means characterised by the type of controller
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006Controlling or regulating processes
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/01Control of temperature without auxiliary power
    • G05D23/13Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures
    • G05D23/1393Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures characterised by the use of electric means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00054Controlling or regulating the heat exchange system
    • B01J2219/00056Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00058Temperature measurement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00054Controlling or regulating the heat exchange system
    • B01J2219/00056Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00058Temperature measurement
    • B01J2219/0006Temperature measurement of the heat exchange medium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00054Controlling or regulating the heat exchange system
    • B01J2219/00056Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00065Pressure measurement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00162Controlling or regulating processes controlling the pressure
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/582Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Control Of Temperature (AREA)
BE782793A 1971-04-29 1972-04-28 Systeme de controle de la temperature dans un procede a phases liquide et vapeur BE782793A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13872971A 1971-04-29 1971-04-29

Publications (1)

Publication Number Publication Date
BE782793A true BE782793A (fr) 1972-10-30

Family

ID=22483360

Family Applications (1)

Application Number Title Priority Date Filing Date
BE782793A BE782793A (fr) 1971-04-29 1972-04-28 Systeme de controle de la temperature dans un procede a phases liquide et vapeur

Country Status (7)

Country Link
US (1) US3708658A (fr)
JP (1) JPS564925B1 (fr)
BE (1) BE782793A (fr)
CA (1) CA941934A (fr)
DE (1) DE2221081A1 (fr)
ES (1) ES402035A1 (fr)
IT (1) IT954915B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2300111C3 (de) * 1973-01-03 1984-10-25 Basf Ag, 6700 Ludwigshafen Verfahren zur Abführung der Reaktionswärme bei der Copolymerisation des Äthylens in wäßriger Dispersion
DE2504659C3 (de) * 1975-02-05 1988-02-11 Hüls AG, 4370 Marl Verfahren zum geregelten Abführen der Reaktionswärme bei Polymerisationsreaktionen in Dispersion bzw. Lösung
US4720623A (en) * 1986-05-01 1988-01-19 E. I. Du Pont De Nemours And Company Power control device for a resistance heater in an oven
US5520969A (en) * 1994-02-04 1996-05-28 Applied Materials, Inc. Method for in-situ liquid flow rate estimation and verification
TW366351B (en) * 1994-12-26 1999-08-11 Mitsui Chemicals Inc Production process of acrylonitrile (co)polymers
CN1258232A (zh) * 1997-05-29 2000-06-28 纳幕尔杜邦公司 用于排气的聚合反应器的工艺控制法
ITCO20120032A1 (it) * 2012-06-13 2013-12-14 Wow Technology S R L Metodo per il controllo di sostanze presenti in un liquido
CN114797481B (zh) * 2022-04-28 2023-08-15 华能威海发电有限责任公司 一种用于反渗透膜化学清洗汽-水加热的双馈调温系统及方法
CN116126051B (zh) * 2023-02-13 2024-04-23 西北工业大学 一种高空模拟试车台进气系统温度控制方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2886616A (en) * 1955-08-24 1959-05-12 Phillips Petroleum Co Control of polymerization processes
US3558045A (en) * 1968-03-22 1971-01-26 Phillips Petroleum Co Control system for chemical reactions

Also Published As

Publication number Publication date
US3708658A (en) 1973-01-02
DE2221081A1 (de) 1972-11-16
JPS564925B1 (fr) 1981-02-02
CA941934A (en) 1974-02-12
IT954915B (it) 1973-09-15
ES402035A1 (es) 1975-03-01

Similar Documents

Publication Publication Date Title
IL41423A0 (en) Modified nematic phases
RO65801A (fr) Procede pour oxyder les di-et trimethylbenzenes liquides
BE775340A (fr) Standard de controle liquide du serum sanguin
DK134053B (da) Fremgangsmåde til destillation af væsker.
BE782793A (fr) Systeme de controle de la temperature dans un procede a phases liquide et vapeur
FR2343211A1 (fr) Procede de production de froid dans les installations cryogeniques
MY7900223A (en) A liquid crystal display system
BE858061A (fr) Procede de deshydratation en phase vapeur d'alcools alpha-alkylbenzyliques
BE820226A (fr) Lingotiere refroidie par liquide
AU470551B2 (en) Improvements in or relating to phase modulation detectors
BE807808A (fr) Ammonoxydation en phase vapeur
BE774390A (fr) Technique de diffusion en phase liquide
IT959879B (it) Sistema fotoreticolabile filmogeno monofasico
BE788651A (fr) Methode et appareil pour evaporer un liquide
BR7205562D0 (pt) Aparelho de controle de liquido para uma coluna fracionadora cromatografica e aperfeicoamentos em coluna fracionadora
IT964577B (it) Sistema di pilotaggio multiplex per presentazioni a cristallo li quido
BE860107A (fr) Procede de fluoration en phase liquide
BE807942A (fr) Procede pour conduire des reactions en phase vapeur
BE816746A (fr) Procede et dispositif pour fabriquer des panneaux chauffants
BE782154R (fr) Procede de preparation de 5-
BE789430A (fr) Procede d'isomerisation des hydrocarbures satures a basse temperature
FR2003637A1 (fr) Procede de separation cyclique en phase vapeur d'hydrocarbure
BE870049A (fr) Procede de fluoration en phase liquide
FR2300608A1 (fr) Procede de dispersion de gaz dans une phase liquide continue
FR1535500A (fr) Procédé d'amélioration de la détente dans une installation de distillation par détentes successives et installation en comportant application

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: MONSANTO CY

Effective date: 19870430