IN170364B - - Google Patents

Info

Publication number
IN170364B
IN170364B IN790/MAS/87A IN790MA1987A IN170364B IN 170364 B IN170364 B IN 170364B IN 790MA1987 A IN790MA1987 A IN 790MA1987A IN 170364 B IN170364 B IN 170364B
Authority
IN
India
Application number
IN790/MAS/87A
Other languages
English (en)
Inventor
Zardi Umberto
Pagani Giorgio
Original Assignee
Ammonia Casale Sa
Zardi Umberto
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 Ammonia Casale Sa, Zardi Umberto filed Critical Ammonia Casale Sa
Publication of IN170364B publication Critical patent/IN170364B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/04—Preparation of ammonia by synthesis in the gas phase
    • C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
    • C01C1/0417—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst characterised by the synthesis reactor, e.g. arrangement of catalyst beds and heat exchangers in the reactor
    • C01C1/0423—Cold wall 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
    • 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
    • B01J8/0207—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 flow within the bed being predominantly horizontal
    • B01J8/0214—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 flow within the bed being predominantly horizontal in a cylindrical annular shaped bed
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/04—Preparation of ammonia by synthesis in the gas phase
    • C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
    • C01C1/0447—Apparatus other than synthesis reactors
    • C01C1/0452—Heat exchangers
    • 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
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (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)
  • Radiation-Therapy Devices (AREA)
IN790/MAS/87A 1986-11-03 1987-11-02 IN170364B (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH433586 1986-11-03

Publications (1)

Publication Number Publication Date
IN170364B true IN170364B (no) 1992-03-21

Family

ID=4274176

Family Applications (1)

Application Number Title Priority Date Filing Date
IN790/MAS/87A IN170364B (no) 1986-11-03 1987-11-02

Country Status (7)

Country Link
US (1) US4935210A (no)
EP (1) EP0269854B1 (no)
CN (1) CN1014206B (no)
AT (1) ATE83684T1 (no)
CA (1) CA1296870C (no)
DE (1) DE3783220T2 (no)
IN (1) IN170364B (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0355303B2 (en) * 1988-06-27 1995-12-20 Ammonia Casale S.A. Reactor for exothermic heterogeneous synthesis with several catalytic beds and with the external recovery of reaction heat
EP0555777B1 (en) * 1992-02-12 1997-07-16 Ammonia Casale S.A. Method of modernising in-situ Braun-type converters for heterogeneous synthesis and converters thus obtained
US5779988A (en) * 1992-02-12 1998-07-14 Ammonia Casale, S.A. Heterogeneous synthesis method and apparatus including wall temperature protection
DE69426517D1 (de) * 1993-10-29 2001-02-08 Ammonia Casale Sa Verfahren zur Nachrüstung eines heterogenen exothermischen Synthesereaktors
US5427760A (en) * 1994-02-22 1995-06-27 Brown & Root Petroleum And Chemicals Axial-radial reactors in the braun ammonia synloop with extrnal heat sink

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3721532A (en) * 1971-02-08 1973-03-20 Braun Co C Ammonia synthesis system
IT1141102B (it) * 1980-11-28 1986-10-01 Ammonia Casale Sa Reattore assiale-radiale per sintesi eterogenee
US4554135A (en) * 1982-11-26 1985-11-19 C F Braun & Co. Ammonia converter
IN165082B (no) * 1985-05-15 1989-08-12 Ammonia Casale Sa

Also Published As

Publication number Publication date
CN1014206B (zh) 1991-10-09
DE3783220D1 (de) 1993-02-04
DE3783220T2 (de) 1993-04-29
EP0269854B1 (en) 1992-12-23
EP0269854A3 (en) 1989-02-08
CA1296870C (en) 1992-03-10
EP0269854A2 (en) 1988-06-08
CN87107596A (zh) 1988-06-08
ATE83684T1 (de) 1993-01-15
US4935210A (en) 1990-06-19

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