GB1137065A - Improvements in or relating to the manufacture of ammonia - Google Patents

Improvements in or relating to the manufacture of ammonia

Info

Publication number
GB1137065A
GB1137065A GB3414/65A GB341465A GB1137065A GB 1137065 A GB1137065 A GB 1137065A GB 3414/65 A GB3414/65 A GB 3414/65A GB 341465 A GB341465 A GB 341465A GB 1137065 A GB1137065 A GB 1137065A
Authority
GB
United Kingdom
Prior art keywords
liquid
mixture
converter
ammonia
proportion
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB3414/65A
Inventor
Dennis Richard Twist
Geoffrey Mitford Rowell
Brian Hayes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Humphreys and Glasgow Ltd
Original Assignee
Humphreys and Glasgow Ltd
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 Humphreys and Glasgow Ltd filed Critical Humphreys and Glasgow Ltd
Priority to GB3414/65A priority Critical patent/GB1137065A/en
Priority to NL6600954A priority patent/NL6600954A/xx
Publication of GB1137065A publication Critical patent/GB1137065A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/025—Preparation or purification of gas mixtures for ammonia synthesis
    • 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
    • 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
    • C01C1/0476—Purge gas treatment, e.g. for removal of inert gases or recovery of H2
    • 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)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1,137,065. Ammonia. HUMPHREYS & GLASGOW Ltd. 18 Jan., 1966 [26 Jan., 1965; 9 April, 19651, Nos. 3414/65 and 15275/65. Heading C1A. [Also in Division B1] In the catalytic synthesis of NH 3 , the mixture of H 2 and N 2 is partially purified from inert gaseous components such as CH 4 and argon by dissolving at least part of the mixture under pressure in liquid ammonia, additional NH 3 being introduced for this purpose, and thereafter cooling the liquid NH 3 so as to release a proportion of the dissolved gases for use in the synthesis reaction whereby the proportion of the inert impurities in the H 2 /N 2 mixture is reduced. Preferably after the liquid NH 3 is cooled it is subjected to a reduction of pressure to release a further proportion of dissolved gases from solution. The liquid ammonia used for dissolving the gaseous mixture may be at a temperature of 65-74‹ C. Preferably the H 2 /N 2 mixture is derived in part from the gases leaving the converter and is washed under pressure with liquid NH 3 drawn from the product of the converter in an absorber. The gases released from solution in liquid NH 3 may be subjected to a second washing with liquid NH 3 and then recycled to the converter. The liquid NH 3 when freed of dissolved gases may be returned to the product stream before the initial separation of the liquid and gaseous components and before the heat exchangers for cooling the converter product.
GB3414/65A 1965-01-26 1965-01-26 Improvements in or relating to the manufacture of ammonia Expired GB1137065A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3414/65A GB1137065A (en) 1965-01-26 1965-01-26 Improvements in or relating to the manufacture of ammonia
NL6600954A NL6600954A (en) 1965-01-26 1966-01-25

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3414/65A GB1137065A (en) 1965-01-26 1965-01-26 Improvements in or relating to the manufacture of ammonia
GB1527565 1965-04-09

Publications (1)

Publication Number Publication Date
GB1137065A true GB1137065A (en) 1968-12-18

Family

ID=26238284

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3414/65A Expired GB1137065A (en) 1965-01-26 1965-01-26 Improvements in or relating to the manufacture of ammonia

Country Status (2)

Country Link
GB (1) GB1137065A (en)
NL (1) NL6600954A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805536A (en) * 1970-12-16 1974-04-23 Univ Cal Removal of methane and argon from ammonia synthesis gas
WO1981002985A1 (en) * 1980-04-14 1981-10-29 L Silberring Method for the separation of mixture by means of exchange of materials at different temperatures or pressures

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805536A (en) * 1970-12-16 1974-04-23 Univ Cal Removal of methane and argon from ammonia synthesis gas
WO1981002985A1 (en) * 1980-04-14 1981-10-29 L Silberring Method for the separation of mixture by means of exchange of materials at different temperatures or pressures

Also Published As

Publication number Publication date
NL6600954A (en) 1966-03-25

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