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
  • C01C1/0411—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst characterised by the catalyst
• • 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
• • 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
• • 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

Definitions

• the inventive invention is related to chemical technology, and more specifically, to the production of ammonia
• 10 ammonia has an elevated pressure of 10-35 PSa and a temperature of up to 600 ° C from nitrogen and hydrogen at the following reaction:
• a ' disadvantageous disadvantage is the reduction of the mode of the accelerated mode.
• ⁇ process ⁇ '. ge ⁇ e ⁇ ichee ⁇ i ⁇ sh-imaln ⁇ mu - ch ⁇ ⁇ iv ⁇ di ⁇ ⁇ ned ⁇ s ⁇ a ⁇ chn ⁇ vys ⁇ im s ⁇ e ⁇ enyam / ⁇ 16% ⁇ bema / ⁇ ev ⁇ ascheniya is ⁇ dn ⁇ y
• the catalyst is preliminarily heated for a reaction corresponding to a reaction temperature of 120-5 0 ° C.-.
• the basic present invention has been set up to enable the operation of the transmitter to the process to be dispensed with.
• the processes for the production of ammonia are carried out, using as a source of the raw gas product, the gaseous mixture is used for the production of gas, the
• catalyses they have the appearance of a granular or subsidiary site.
• the size of the fractions is 1-3 mm, 3-5 mm, 5-7 ' mm, 7-10 mm, 10-15 mm.
• the inventive method was implemented by using a catalyst that uses the indicated sizes of fractions, dimensions and sizes of 15-50 mm. Due to the use of the catalysts of the indicated fractions, the intensity of the process is reduced between the filtered sources. a day ago
• the catalyst needs to significantly increase the quantity of catalytic converter, there is to be a reduction in the volume of exhaust gas.
• the process of the synthesis of ammonia is in the case of catalysis, a section of which is by a little less than two parts, a little more than a half of it.
• the synthesis process is carried out in the case of a galvanizing unit, and it is pre-heated to a temperature of 20-590 ° ⁇ .
• the named system with a blood pressure of 20 to 250 ° C is used.
• the operational changes to the effective direction of the payment in the case of the commercialization of the aforementioned nitrogen.
• Pe ⁇ i ⁇ d ⁇ a ⁇ - g ⁇ Changes are s ⁇ s ⁇ avlyae ⁇ , ⁇ a ⁇ ⁇ avil ⁇ '1-30 minutes the.
• Equalization of the hemorrhagic non-uniform one-sys- tem by means of intercalation is associated with pressure reduction.
• the catalytic liquid emanating from the first part of the catalyst has a high hemisphere, which differs in cross section, because of the low gas consumption.
• the conditioned non-uniformity of the catalyst layer - 8 - za ⁇ a, b ⁇ lshe than ⁇ emya between changes na ⁇ av ⁇ e Nia ⁇ dachi is ⁇ dn ⁇ y az ⁇ d ⁇ dn ⁇ y smeei, ⁇ edlagaem ⁇ e ⁇ e ⁇ e- mixing of e ⁇ y az ⁇ v ⁇ d ⁇ dn ⁇ y mixture ⁇ iv ⁇ di ⁇ ⁇ -zy ⁇ avni- vaniyu ⁇ em ⁇ e ⁇ a ⁇ u ⁇ y in lyub ⁇ m sectional sl ⁇ ya ⁇ a ⁇ aliza ⁇ a 5 ⁇ e ⁇ endi ⁇ ulya ⁇ n ⁇ m ⁇ u is ⁇ dn ⁇ g ⁇ gas and haem thus ⁇ zv ⁇ lyae ⁇
• the optimal mode is the whole process of ammonia blasting.
• Variation of the flow direction of the feed of the aqueous mixture in the catalyst layer is, in fact, said: from the beginning
• ⁇ dna ⁇ pressure is ⁇ dn ⁇ y az ⁇ v ⁇ d ⁇ dn ⁇ y mixture ⁇ Pa 10, ⁇ em ⁇ e ⁇ a ⁇ u ⁇ a az ⁇ v ⁇ d ⁇ dn ⁇ y mixture on v ⁇ de in sl ⁇ y ⁇ a ⁇ alizag ⁇ ra ⁇ 00 ⁇ C .
• the average output of ammonia is $ 10; the average ammonia output is $ 8.
• the combination of the ammonia is subject to the conditions similar to that shown in Example 2.
• the same size is measured at 50 mm.
• the average output of amshaka is $ 16, and ammonia is 5 $ 14 $.
• ammonia occurs under conditions similar to those indicated in Example I. However, the 15 catalytic converter is divided into two parts with a separation of a little more than 0.6. Medium: ammonia output 15.9, ammonia output $ 13.9. _Note ⁇ 10
• the synthesis of agglomerate is subject to conditions similar to the 20 indicated in Example I.
• the one-layer catalytic converter is divided into two parts with a difference in parts! catalytic layer 0.71.
• the synthesis of ammonia is in the CONDITIONS ⁇ , similar to those indicated in Example I. However, the catalytic conversion is divided into two parts with a separation of at least 1. The average ammonia output is $ 35.16.1, pripyst 14.1. EXAMPLE 13 The synthesis of ammonia is carried out under conditions similar - II - ny ⁇ u ⁇ azannym in ⁇ ime ⁇ e I.
• ammonia The synthesis of ammonia is subject to conditions similar to those indicated in Example I.
• the same and basic mixture is contained in bulk: nitrogen - 20; ⁇ Play ⁇ Play- 60; Southern gases - 15; ammonia - 5.
• the change in the direction of delivery of the original mixture to the positive is effective after every 2 minutes.
• the average output of ammonia is 16.6, the amount of ammonia is $ 11.6.
• the intended use of 15 ummiak is used for the use of nitric acid, nitric acid, urea, and salt. Hydrate of the United Nations, hydrocyanic acid, fertilizers, diazo-typed light materials.

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Analytical Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Catalysts (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

Family

ID=21261751

Family Applications (1)

Country Status (8)

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Citations (2)

• 1986
  • 1986-10-17 SU SU864131458A patent/SU1696387A1/ru active
• 1987
  • 1987-09-23 JP JP62506696A patent/JPH01501141A/ja active Pending
  • 1987-09-23 HU HU875776A patent/HUT46594A/hu unknown
  • 1987-09-23 WO PCT/SU1987/000106 patent/WO1988002737A1/ru active Application Filing
  • 1987-09-23 DE DE19873790631 patent/DE3790631T1/de not_active Withdrawn
  • 1987-09-23 GB GB8811619A patent/GB2205561B/en not_active Expired - Lifetime
  • 1987-10-16 FR FR878714279A patent/FR2605305B1/fr not_active Expired - Lifetime
  • 1987-10-16 PL PL1987268264A patent/PL268264A1/xx unknown

Patent Citations (2)

Non-Patent Citations (1)

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