FR2465971B1 - - Google Patents

Info

Publication number
FR2465971B1
FR2465971B1 FR7923895A FR7923895A FR2465971B1 FR 2465971 B1 FR2465971 B1 FR 2465971B1 FR 7923895 A FR7923895 A FR 7923895A FR 7923895 A FR7923895 A FR 7923895A FR 2465971 B1 FR2465971 B1 FR 2465971B1
Authority
FR
France
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
FR7923895A
Other languages
French (fr)
Other versions
FR2465971A1 (fr
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.)
Rhone Poulenc Industries SA
Original Assignee
Rhone Poulenc Industries SA
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 Rhone Poulenc Industries SA filed Critical Rhone Poulenc Industries SA
Priority to FR7923895A priority Critical patent/FR2465971A1/fr
Priority to ZA00802228A priority patent/ZA802228B/xx
Priority to AU57544/80A priority patent/AU541145B2/en
Priority to BE0/200273A priority patent/BE882840A/fr
Priority to YU1080/80A priority patent/YU42336B/xx
Priority to CA000350396A priority patent/CA1162717A/fr
Priority to BR8002450A priority patent/BR8002450A/pt
Priority to OA57090A priority patent/OA06518A/xx
Priority to US06/158,707 priority patent/US4317807A/en
Priority to JO19801080A priority patent/JO1080B1/en
Priority to IL61113A priority patent/IL61113A/xx
Publication of FR2465971A1 publication Critical patent/FR2465971A1/fr
Application granted granted Critical
Publication of FR2465971B1 publication Critical patent/FR2465971B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
    • 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
    • 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
    • B01J2219/00121—Controlling the temperature by direct heating or cooling
    • B01J2219/00123—Controlling the temperature by direct heating or cooling adding a temperature modifying medium to the reactants
    • 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
    • B01J2219/00164—Controlling or regulating processes controlling the flow

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7923895A 1979-09-26 1979-09-26 Procede perfectionne de maintien en temperature de reacteurs Granted FR2465971A1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR7923895A FR2465971A1 (fr) 1979-09-26 1979-09-26 Procede perfectionne de maintien en temperature de reacteurs
ZA00802228A ZA802228B (en) 1979-09-26 1980-04-15 Temperature maintenance
AU57544/80A AU541145B2 (en) 1979-09-26 1980-04-17 Cooling a chemical reactor
BE0/200273A BE882840A (fr) 1979-09-26 1980-04-17 Procede perfectionne de maintien en temperature de reacteurs
YU1080/80A YU42336B (en) 1979-09-26 1980-04-21 Method of maintaining a temperature in reactors for dissolving phosphates in phosphor acid production
BR8002450A BR8002450A (pt) 1979-09-26 1980-04-22 Processo permitindo resfriamento continuo, de um reator por circulacao de ar na superficie do meio de reacao, provocando o arraste do vapor e aplicacao do processo
CA000350396A CA1162717A (fr) 1979-09-26 1980-04-22 Procede perfectionne de maintien en temperature de reacteurs
OA57090A OA06518A (fr) 1979-09-26 1980-04-23 Procédé perfectionné de maintien en température de réacteurs.
US06/158,707 US4317807A (en) 1979-09-26 1980-06-12 Air cooling during the production of phosphoric acid
JO19801080A JO1080B1 (en) 1979-09-26 1980-08-09 Maintaining the reactor temperature where an exothermic reaction occurs
IL61113A IL61113A (en) 1979-09-26 1980-09-23 Process for controlling reactor temperature,in particular in wet process phosphoric acid reactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7923895A FR2465971A1 (fr) 1979-09-26 1979-09-26 Procede perfectionne de maintien en temperature de reacteurs

Publications (2)

Publication Number Publication Date
FR2465971A1 FR2465971A1 (fr) 1981-03-27
FR2465971B1 true FR2465971B1 (enExample) 1983-11-25

Family

ID=9230016

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7923895A Granted FR2465971A1 (fr) 1979-09-26 1979-09-26 Procede perfectionne de maintien en temperature de reacteurs

Country Status (11)

Country Link
US (1) US4317807A (enExample)
AU (1) AU541145B2 (enExample)
BE (1) BE882840A (enExample)
BR (1) BR8002450A (enExample)
CA (1) CA1162717A (enExample)
FR (1) FR2465971A1 (enExample)
IL (1) IL61113A (enExample)
JO (1) JO1080B1 (enExample)
OA (1) OA06518A (enExample)
YU (1) YU42336B (enExample)
ZA (1) ZA802228B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018008719A1 (de) * 2018-11-06 2020-05-07 Maschinenbau Scholz Gmbh & Co Kg Verfahren zum Beaufschlagen von Teilen in einem Autoklaven mit erhöhter Temperatur und/oder erhöhtem Druck und Autoklav

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE553924C (de) * 1930-09-16 1932-07-02 Chem Fab Budenheim Akt Ges Verfahren zur Verhinderung der Schaumbildung beim Aufschluss von Rohphosphat mit Saeuren, insbesondere Schwefelsaeure
FR1122463A (fr) * 1955-03-02 1956-09-07 Siape Procédé de fabrication d'acide phosphorique
FR1315397A (fr) * 1961-02-17 1963-01-18 Dorr Oliver Inc Appareil et procédé de traitement de substances en plusieurs stades
US3148948A (en) * 1961-12-26 1964-09-15 Dorr Oliver Inc Cooling and defoaming phosphoric acid slurries
NL6800867A (enExample) * 1967-01-26 1968-07-29
US3499731A (en) * 1967-02-16 1970-03-10 Walter J Sackett Sr High efficiency discharge control system for a chemical processing plant
SU539830A1 (ru) 1974-10-01 1976-12-25 Предприятие П/Я В-8830 Способ получени экстракционной фосфорной кислоты
FR2330643A1 (fr) * 1975-11-04 1977-06-03 Rhone Poulenc Ind Procede continu de fabrication d'acide phosphorique de voie humide

Also Published As

Publication number Publication date
AU5754480A (en) 1981-04-02
OA06518A (fr) 1981-07-31
US4317807A (en) 1982-03-02
YU108080A (en) 1983-12-31
ZA802228B (en) 1981-05-27
YU42336B (en) 1988-08-31
FR2465971A1 (fr) 1981-03-27
BR8002450A (pt) 1981-03-31
CA1162717A (fr) 1984-02-28
AU541145B2 (en) 1984-12-20
BE882840A (fr) 1980-10-17
JO1080B1 (en) 1982-07-10
IL61113A (en) 1984-04-30

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Legal Events

Date Code Title Description
CL Concession to grant licences
ST Notification of lapse