GB974412A - Process of and apparatus for producing urea - Google Patents

Process of and apparatus for producing urea

Info

Publication number
GB974412A
GB974412A GB6969/64A GB696964A GB974412A GB 974412 A GB974412 A GB 974412A GB 6969/64 A GB6969/64 A GB 6969/64A GB 696964 A GB696964 A GB 696964A GB 974412 A GB974412 A GB 974412A
Authority
GB
United Kingdom
Prior art keywords
carbon dioxide
ammonia
hydrogen
urea
nitrogen
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
GB6969/64A
Other languages
English (en)
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.)
Montedison SpA
Original Assignee
Montedison SpA
Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA
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 Montedison SpA, Montecatini Societa Generale per lIndustria Mineraria e Chimica SpA filed Critical Montedison SpA
Publication of GB974412A publication Critical patent/GB974412A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
    • 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
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB6969/64A 1959-12-31 1961-01-02 Process of and apparatus for producing urea Expired GB974412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2173459 1959-12-31

Publications (1)

Publication Number Publication Date
GB974412A true GB974412A (en) 1964-11-04

Family

ID=11186104

Family Applications (2)

Application Number Title Priority Date Filing Date
GB6969/64A Expired GB974412A (en) 1959-12-31 1961-01-02 Process of and apparatus for producing urea
GB72/61A Expired GB974411A (en) 1959-12-31 1961-01-02 Process of and apparatus for producing urea

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB72/61A Expired GB974411A (en) 1959-12-31 1961-01-02 Process of and apparatus for producing urea

Country Status (9)

Country Link
US (1) US3406200A (enExample)
AT (1) AT242160B (enExample)
BE (1) BE598704A (enExample)
CH (2) CH408898A (enExample)
DE (1) DE1418971A1 (enExample)
ES (1) ES263679A1 (enExample)
GB (2) GB974412A (enExample)
NL (1) NL259135A (enExample)
SE (1) SE303282B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1148767A (en) * 1965-10-25 1969-04-16 Nissan Chemical Ind Ltd Process for the production of melamine
CN102786442B (zh) * 2012-08-16 2014-12-03 沧州大化股份有限公司 一种降低尿素装置合成进料系统能源消耗的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE301279C (enExample) * 1916-08-09
NL16594C (enExample) * 1924-12-23 1900-01-01
US1730208A (en) * 1926-03-02 1929-10-01 Arthur B Lamb Process for production of urea
US2632316A (en) * 1950-11-04 1953-03-24 Texas Co Separation of carbon dioxide from gaseous mixtures
US2848493A (en) * 1955-06-27 1958-08-19 Allied Chem Process for synthesis of urea
US2842941A (en) * 1956-03-29 1958-07-15 J F Pritchard & Company Method for purification of carbon dioxide
US2929690A (en) * 1956-04-27 1960-03-22 Whiting Corp Apparatus for removing impurities from vapors released in evaporation process
US2913493A (en) * 1956-10-03 1959-11-17 Hydrocarbon Research Inc Urea synthesis
US2908556A (en) * 1957-08-08 1959-10-13 Nat Distillers Chem Corp Reactor design

Also Published As

Publication number Publication date
NL259135A (enExample) 1900-01-01
US3406200A (en) 1968-10-15
DE1418971A1 (de) 1968-10-10
GB974411A (en) 1964-11-04
AT242160B (de) 1965-09-10
BE598704A (fr) 1961-06-30
ES263679A1 (es) 1961-05-16
SE303282B (enExample) 1968-08-26
CH409923A (de) 1966-03-31
CH408898A (de) 1966-03-15

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