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
  • C01C1/0405—Preparation of ammonia by synthesis from N2 and H2 in presence of a catalyst
  • C01C1/0417—Preparation of ammonia by synthesis 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
  • B01J8/04—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
  • B01J8/0403—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 fluid flow within the beds being predominantly horizontal
  • B01J8/0407—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 fluid flow within the beds being predominantly horizontal through two or more cylindrical annular shaped beds
  • B01J8/0415—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 fluid flow within the beds being predominantly horizontal through two or more cylindrical annular shaped beds the beds being superimposed one above the other
• • 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
  • B01J8/0496—Heating or cooling the reactor
• • 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

Landscapes

• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Organic Chemistry (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)
• Control Of Non-Electrical Variables (AREA)
• Dc-Dc Converters (AREA)
• Exhaust Gas After Treatment (AREA)
• Sampling And Sample Adjustment (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Fats And Perfumes (AREA)
• Networks Using Active Elements (AREA)
• Incineration Of Waste (AREA)
• Investigating Or Analysing Materials By Optical Means (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=6316843

Family Applications (1)

Country Status (12)

Families Citing this family (9)

Family Cites Families (8)

• 1986
  • 1986-12-22 DE DE19863643856 patent/DE3643856A1/de active Granted
• 1987
  • 1987-12-04 AT AT87117925T patent/ATE72423T1/de not_active IP Right Cessation
  • 1987-12-04 DE DE8787117925T patent/DE3776634D1/de not_active Expired - Fee Related
  • 1987-12-04 ES ES198787117925T patent/ES2029260T3/es not_active Expired - Lifetime
  • 1987-12-04 EP EP87117925A patent/EP0273231B1/de not_active Expired - Lifetime
  • 1987-12-09 DK DK647587A patent/DK166772B1/da not_active IP Right Cessation
  • 1987-12-09 FI FI875417A patent/FI875417A7/fi not_active Application Discontinuation
  • 1987-12-09 NO NO875137A patent/NO168020C/no unknown
  • 1987-12-11 ZA ZA879320A patent/ZA879320B/xx unknown
  • 1987-12-15 CA CA000554318A patent/CA1287480C/en not_active Expired - Fee Related
  • 1987-12-16 JP JP62316364A patent/JPS63248431A/ja active Pending
  • 1987-12-17 AU AU82899/87A patent/AU602744B2/en not_active Ceased
  • 1987-12-22 CN CN87108165A patent/CN1013664B/zh not_active Expired

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