IT971004B - Guarnizioni di tenuta fra letti per reattori a piu letti - Google Patents

Guarnizioni di tenuta fra letti per reattori a piu letti

Info

Publication number
IT971004B
IT971004B IT31826/72A IT3182672A IT971004B IT 971004 B IT971004 B IT 971004B IT 31826/72 A IT31826/72 A IT 31826/72A IT 3182672 A IT3182672 A IT 3182672A IT 971004 B IT971004 B IT 971004B
Authority
IT
Italy
Prior art keywords
bed
seals
reactors
bed reactors
multiple bed
Prior art date
Application number
IT31826/72A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT971004B publication Critical patent/IT971004B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • C07C5/321—Catalytic 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/04—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds
    • B01J8/0446—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the flow within the beds being predominantly vertical
    • B01J8/0449—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the flow within the beds being predominantly vertical in two or more cylindrical beds
    • B01J8/0453—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the flow within the beds being predominantly vertical in two or more cylindrical beds the beds being superimposed one above the other
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
    • C07C5/327—Formation of non-aromatic carbon-to-carbon double bonds only
    • C07C5/333—Catalytic 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00265—Part of all of the reactants being heated or cooled outside the reactor while recycling
    • B01J2208/00274—Part of all of the reactants being heated or cooled outside the reactor while recycling involving reactant vapours
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/02—Processes carried out in the presence of solid particles; Reactors therefor with stationary particles
    • B01J2208/023—Details
    • B01J2208/024—Particulate material
    • B01J2208/025—Two or more types of catalyst
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Catalysts (AREA)
IT31826/72A 1971-11-19 1972-11-17 Guarnizioni di tenuta fra letti per reattori a piu letti IT971004B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20051271A 1971-11-19 1971-11-19

Publications (1)

Publication Number Publication Date
IT971004B true IT971004B (it) 1974-04-30

Family

ID=22742033

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31826/72A IT971004B (it) 1971-11-19 1972-11-17 Guarnizioni di tenuta fra letti per reattori a piu letti

Country Status (9)

Country Link
US (1) US3791795A (it)
JP (1) JPS5232637B2 (it)
BE (1) BE791575A (it)
CA (1) CA979622A (it)
DE (1) DE2256597A1 (it)
FR (1) FR2160621B1 (it)
GB (1) GB1401507A (it)
IT (1) IT971004B (it)
SU (1) SU915783A3 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854887A (en) * 1973-02-20 1974-12-17 Universal Oil Prod Co Reactor system for gravity-flowing catalyst particles
FR2413348A1 (fr) * 1977-12-31 1979-07-27 Dynamit Nobel Ag Procede pour l'obtention d'alcools benzyliques
DE19809200A1 (de) * 1998-03-04 1999-09-09 Linde Ag Apparat mit durchströmter Schüttung und Verfahren zum Betreiben eines derartigen Apparats

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2212583A (en) * 1938-10-26 1940-08-27 Pan American Refining Corp Reaction chamber
US2893852A (en) * 1956-04-16 1959-07-07 American Oil Co Fixed bed reformer vapor distributor
US2905633A (en) * 1956-07-12 1959-09-22 Socony Mobil Oil Co Inc Method and apparatus for hydrocarbon conversion employing hydrocarbon reactant and recycle gas containing solid particles
US3112256A (en) * 1960-01-11 1963-11-26 Union Oil Co Distribution of vapor-liquid feeds in fixed-bed reactors
US3492220A (en) * 1962-06-27 1970-01-27 Pullman Inc Hydrotreating pyrolysis gasoline
US3218249A (en) * 1964-03-30 1965-11-16 Union Oil Co Vapor-liquid distribution method and apparatus for the conversion of hydrocarbons
US3326996A (en) * 1964-05-06 1967-06-20 Union Carbide Corp Dehydrogenation of ethylbenzene to styrene
US3498756A (en) * 1966-05-26 1970-03-03 Universal Oil Prod Co Multiple stage reactor suitable for high pressures
FR1547029A (fr) * 1966-12-09 1968-11-22 Preussag Ag Procédé pour le traitement physique ou chimique de liquides et de gaz à l'aide de masses granuleuses
US3515763A (en) * 1968-04-22 1970-06-02 Universal Oil Prod Co Production of styrene
US3607000A (en) * 1969-04-17 1971-09-21 Gulf Research Development Co Internal bypass for a chemical reactor

Also Published As

Publication number Publication date
FR2160621A1 (it) 1973-06-29
BE791575A (fr) 1973-05-17
DE2256597A1 (de) 1973-05-24
JPS5232637B2 (it) 1977-08-23
FR2160621B1 (it) 1976-08-20
AU4900172A (en) 1974-05-23
US3791795A (en) 1974-02-12
CA979622A (en) 1975-12-16
GB1401507A (en) 1975-07-16
SU915783A3 (en) 1982-03-23
JPS4862676A (it) 1973-09-01

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