NL233692A - - Google Patents

Info

Publication number
NL233692A
NL233692A NL233692DA NL233692A NL 233692 A NL233692 A NL 233692A NL 233692D A NL233692D A NL 233692DA NL 233692 A NL233692 A NL 233692A
Authority
NL
Netherlands
Application number
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.)
Publication of NL233692A publication Critical patent/NL233692A/xx

Links

Classifications

    • 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
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1812—Tubular reactors
    • B01J19/1837—Loop-type reactors
    • 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
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1812—Tubular reactors
    • B01J19/1818—Tubular reactors in series
    • 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
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • B01J19/2425—Tubular reactors in parallel
    • 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
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • B01J19/2435—Loop-type reactors
    • 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
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/245—Stationary reactors without moving elements inside placed in series
    • 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
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2455—Stationary reactors without moving elements inside provoking a loop type movement of the reactants
    • B01J19/2465—Stationary reactors without moving elements inside provoking a loop type movement of the reactants externally, i.e. the mixture leaving the vessel and subsequently re-entering it
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B43/00—Formation or introduction of functional groups containing nitrogen
    • C07B43/02—Formation or introduction of functional groups containing nitrogen of nitro or nitroso groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
    • 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
    • B01J2219/00103—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor in a heat exchanger separate from the reactor
    • 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
    • B01J2219/00159—Controlling the temperature controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL233692D 1957-11-29 NL233692A (en:Method)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69960857A 1957-11-29 1957-11-29
US72270A US3092671A (en) 1957-11-29 1960-11-16 Nitration of aromatic hydrocarbons

Publications (1)

Publication Number Publication Date
NL233692A true NL233692A (en:Method)

Family

ID=26753181

Family Applications (1)

Application Number Title Priority Date Filing Date
NL233692D NL233692A (en:Method) 1957-11-29

Country Status (6)

Country Link
US (1) US3092671A (en:Method)
BE (1) BE573258A (en:Method)
FR (1) FR1213939A (en:Method)
GB (1) GB871048A (en:Method)
IT (1) IT597065A (en:Method)
NL (1) NL233692A (en:Method)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028203B1 (de) * 1979-09-13 1982-12-15 Ciba-Geigy Ag Verfahren zur Abführung der Reaktionswärme exothermer chemischer Reaktionen und Vorrichtung zur Durchführung des Verfahrens
US4248798A (en) * 1980-01-28 1981-02-03 The United States Of America As Represented By The Secretary Of The Navy New method for preparing pentanitroaniline and triaminotrinitrobenzenes from trinitrotoluene
US4367347A (en) * 1981-06-01 1983-01-04 Air Products And Chemicals, Inc. High purity 2,4-dinitrotoluene from toluene nitration process
EP0068057B1 (fr) * 1981-06-26 1985-12-27 Societe Chimique De La Grande Paroisse, Azote Et Produits Chimiques Réacteur de nitration d'hydrocarbures en phase gazeuse
US4935557A (en) * 1984-08-07 1990-06-19 Air Products And Chemicals, Inc. Conitration of mixed aromatic hydrocarbons
DE19539205A1 (de) * 1995-10-22 1997-04-24 Meissner Gmbh & Co Kg Josef Verfahren zur Aromatennitrierung
DE102004005913A1 (de) * 2004-02-05 2005-08-25 Basf Ag Verfahren zur Herstellung von Dinitrotoluol
EP2014641A3 (en) * 2007-06-06 2009-03-18 Huntsman International Llc Process for preparing mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates
FR3022334A1 (fr) * 2014-06-17 2015-12-18 Bernard Etcheparre Echangeur thermique a fluide a recirculation, dit a ecopes
WO2020212333A1 (de) 2019-04-17 2020-10-22 Covestro Deutschland Ag Verfahren zur kontinuierlichen herstellung von nitrobenzol
CN113924284B (zh) * 2019-04-17 2025-01-28 科思创德国股份有限公司 用于制备硝基苯的方法及装置
CN115057781B (zh) * 2022-06-28 2023-08-15 宁夏信广和新材料科技有限公司 一种硝基苯的生产方法
PL441726A1 (pl) * 2022-07-13 2024-01-15 Politechnika Warszawska Mieszanina nitrująca do nitrowania 2,4- i 2,6-dinitrotoluenu do 2,4,6-trinitrotoluenu i sposób jego otrzymywania z jej wykorzystaniem
CN115228417B (zh) * 2022-07-25 2023-08-22 福建康峰新材料有限公司 一种间硝基三氟甲苯合成装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE515328A (en:Method) * 1951-11-06 1900-01-01
US2951877A (en) * 1957-02-25 1960-09-06 Hercules Powder Co Ltd Process for the preparation of trinitrotoluene

Also Published As

Publication number Publication date
IT597065A (en:Method)
BE573258A (en:Method)
US3092671A (en) 1963-06-04
FR1213939A (fr) 1960-04-05
GB871048A (en) 1961-06-21

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