CA1118185A - Combined process for the production of urea and ammonia - Google Patents

Combined process for the production of urea and ammonia

Info

Publication number
CA1118185A
CA1118185A CA000298107A CA298107A CA1118185A CA 1118185 A CA1118185 A CA 1118185A CA 000298107 A CA000298107 A CA 000298107A CA 298107 A CA298107 A CA 298107A CA 1118185 A CA1118185 A CA 1118185A
Authority
CA
Canada
Prior art keywords
ammonia
urea
absorber
solution
plate
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
CA000298107A
Other languages
English (en)
French (fr)
Inventor
Giorgio Pagani
Vincenzo Lagana
Francesco Saviano
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.)
SnamProgetti SpA
Original Assignee
SnamProgetti 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 SnamProgetti SpA filed Critical SnamProgetti SpA
Application granted granted Critical
Publication of CA1118185A publication Critical patent/CA1118185A/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
    • C07C273/10—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 combined with the synthesis of ammonia
    • 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
    • C01C1/0488—Processes integrated with preparations of other compounds, e.g. methanol, urea or with processes for power generation
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Hydrogen, Water And Hydrids (AREA)
CA000298107A 1977-03-03 1978-03-02 Combined process for the production of urea and ammonia Expired CA1118185A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT20850A/77 1977-03-03
IT20850/77A IT1115610B (it) 1977-03-03 1977-03-03 Procedimento integrato urea-ammoniaca

Publications (1)

Publication Number Publication Date
CA1118185A true CA1118185A (en) 1982-02-16

Family

ID=11172995

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000298107A Expired CA1118185A (en) 1977-03-03 1978-03-02 Combined process for the production of urea and ammonia

Country Status (21)

Country Link
JP (1) JPS53108926A (de)
AR (1) AR221480A1 (de)
AU (1) AU515786B2 (de)
BE (1) BE864554A (de)
BR (1) BR7801343A (de)
CA (1) CA1118185A (de)
CH (1) CH639353A5 (de)
CS (1) CS219889B2 (de)
DD (1) DD134087A5 (de)
DE (1) DE2808831C3 (de)
DK (1) DK92978A (de)
ES (1) ES468020A1 (de)
FR (1) FR2382403B1 (de)
GB (1) GB1586624A (de)
IE (1) IE46473B1 (de)
IT (1) IT1115610B (de)
LU (1) LU79147A1 (de)
NL (1) NL7802158A (de)
PL (1) PL110971B1 (de)
SE (1) SE7802450L (de)
TR (1) TR19994A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6025979B2 (ja) * 2012-07-13 2016-11-16 シーアストーン リミテッド ライアビリティ カンパニー アンモニアおよび固体炭素生成物を形成するための方法およびシステム
PL413125A1 (pl) 2015-07-14 2017-01-16 Vts Spółka Z Ograniczoną Odpowiedzialnością Zawias
US10315986B1 (en) * 2018-04-06 2019-06-11 Solenis Technologies, L.P. Systems and methods for forming a solution of ammonium carbamate

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1034674B (it) * 1975-03-28 1979-10-10 Snam Progetti Processo flessibile intergrato per la produzione di ammoniaca edurea

Also Published As

Publication number Publication date
DK92978A (da) 1978-09-04
DE2808831C3 (de) 1981-04-16
AR221480A1 (es) 1981-02-13
FR2382403A1 (de) 1978-09-29
CS219889B2 (en) 1983-03-25
IE780448L (en) 1978-09-03
TR19994A (tr) 1980-07-01
LU79147A1 (fr) 1978-06-27
FR2382403B1 (de) 1981-10-23
PL110971B1 (en) 1980-08-30
AU515786B2 (en) 1981-04-30
JPS6324986B2 (de) 1988-05-23
BE864554A (fr) 1978-09-04
IT1115610B (it) 1986-02-03
PL205024A1 (pl) 1979-03-26
JPS53108926A (en) 1978-09-22
IE46473B1 (en) 1983-06-29
NL7802158A (nl) 1978-09-05
CH639353A5 (en) 1983-11-15
SE7802450L (sv) 1978-09-04
AU3338878A (en) 1979-08-23
ES468020A1 (es) 1978-12-01
DD134087A5 (de) 1979-02-07
GB1586624A (en) 1981-03-25
DE2808831B2 (de) 1980-08-14
BR7801343A (pt) 1978-12-12
DE2808831A1 (de) 1978-09-07

Similar Documents

Publication Publication Date Title
US4321410A (en) Method of stripping unreacted materials in urea synthesis process
US4138434A (en) Integrated ammonia-urea producing process, for the production of urea
CA2246217C (en) Process for combined production of ammonia and urea
US4291006A (en) Combined process for the production of urea and ammonia
US3155722A (en) Recovery of residual ammonia and carbon dioxide in the synthesis of urea
CA1120693A (en) Flexible integrated method for the production of ammonia and urea
US3310376A (en) Process for combined production of ammonia and urea
EP3233792B1 (de) Verfahren zur herstellung von harnstoff
CA2300720C (en) Method for the simultaneous modernization of a plant for ammonia production and a plant for urea production
CA1118185A (en) Combined process for the production of urea and ammonia
CA2357256C (en) Process for the integrated preparation of ammonia and urea
US4235816A (en) Integrated ammonia-urea process
CA1217201A (en) Process for synthesizing urea
US3708536A (en) Recycling melamine synthesis offgas to urea synthesis
EP0086805B1 (de) Verfahren zur herstellung von harnstoff
US3759992A (en) Urea synthesis
US3579636A (en) Urea synthesis process
US3258486A (en) Process for urea synthesis
US2808125A (en) Process for the separation of carbon dioxide and ammonia
US3816528A (en) Urea synthesis process
US3527799A (en) Urea synthesis process
US3137725A (en) Heat recovery in urea synthesis process
US3193353A (en) Method of removing carbon dioxide from ammonia
US4365089A (en) Synthesis of urea
CA1075263A (en) Urea reactor effluent solution recycle in urea synthesis

Legal Events

Date Code Title Description
MKEX Expiry