CA975797A - Process for the production of urea from a solution containing ammonium carbamate, ammonia and water, with a total recycle of ammonia and carbon dioxide which were not transformed - Google Patents

Process for the production of urea from a solution containing ammonium carbamate, ammonia and water, with a total recycle of ammonia and carbon dioxide which were not transformed

Info

Publication number
CA975797A
CA975797A CA069,917A CA69917A CA975797A CA 975797 A CA975797 A CA 975797A CA 69917 A CA69917 A CA 69917A CA 975797 A CA975797 A CA 975797A
Authority
CA
Canada
Prior art keywords
ammonia
urea
transformed
production
carbon dioxide
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
CA069,917A
Inventor
Umberto Zardi
Pierfranco Forlani
Melegnano Ivo
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 CA975797A publication Critical patent/CA975797A/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
    • Y02P20/141—Feedstock
    • 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)
  • Lead Frames For Integrated Circuits (AREA)
CA069,917A 1968-12-16 1969-12-15 Process for the production of urea from a solution containing ammonium carbamate, ammonia and water, with a total recycle of ammonia and carbon dioxide which were not transformed Expired CA975797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2513168 1968-12-16

Publications (1)

Publication Number Publication Date
CA975797A true CA975797A (en) 1975-10-07

Family

ID=11215793

Family Applications (1)

Application Number Title Priority Date Filing Date
CA069,917A Expired CA975797A (en) 1968-12-16 1969-12-15 Process for the production of urea from a solution containing ammonium carbamate, ammonia and water, with a total recycle of ammonia and carbon dioxide which were not transformed

Country Status (19)

Country Link
JP (1) JPS4828422B1 (en)
AT (1) AT305303B (en)
BE (1) BE743187A (en)
BR (1) BR6915202D0 (en)
CA (1) CA975797A (en)
CH (1) CH507213A (en)
CS (1) CS152343B2 (en)
DE (1) DE1962862A1 (en)
DK (1) DK145081C (en)
ES (1) ES374565A1 (en)
FR (1) FR2026261A1 (en)
GB (1) GB1268430A (en)
IE (1) IE33879B1 (en)
LU (1) LU60025A1 (en)
NL (1) NL169465C (en)
NO (1) NO135868C (en)
RO (1) RO59626A (en)
YU (1) YU39894B (en)
ZM (1) ZM17669A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016099269A1 (en) 2014-12-18 2016-06-23 Stamicarbon B.V. Process for urea production

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE787832A (en) * 1971-09-02 1973-02-22 Stamicarbon PROCESS FOR THE PREPARATION OF UREA
JPS53102724A (en) * 1977-02-18 1978-09-07 Matsushita Electric Ind Co Ltd Magnetic head and its manufacture
JPS5575833U (en) * 1978-11-15 1980-05-24
JPS61109760A (en) * 1984-11-02 1986-05-28 Toyo Eng Corp Production of urea

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016099269A1 (en) 2014-12-18 2016-06-23 Stamicarbon B.V. Process for urea production

Also Published As

Publication number Publication date
YU310469A (en) 1982-02-28
BE743187A (en) 1970-05-28
LU60025A1 (en) 1970-02-16
CS152343B2 (en) 1973-12-19
ES374565A1 (en) 1972-01-01
DE1962862A1 (en) 1970-07-02
IE33879B1 (en) 1974-11-27
JPS4828422B1 (en) 1973-09-01
NO135868C (en) 1977-06-15
FR2026261A1 (en) 1970-09-18
AT305303B (en) 1973-02-26
DK145081C (en) 1983-01-31
CH507213A (en) 1971-05-15
YU39894B (en) 1985-06-30
ZM17669A1 (en) 1970-05-18
NO135868B (en) 1977-03-07
NL169465C (en) 1982-07-16
GB1268430A (en) 1972-03-29
IE33879L (en) 1970-06-16
NL6918420A (en) 1970-06-18
DK145081B (en) 1982-08-23
NL169465B (en) 1982-02-16
BR6915202D0 (en) 1973-03-08
RO59626A (en) 1976-08-15

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