CH507213A - Process for manufacturing urea from a solution containing ammonium carbamate, ammonia and water, with complete recycling of the ammonia and unprocessed carbon dioxide - Google Patents

Process for manufacturing urea from a solution containing ammonium carbamate, ammonia and water, with complete recycling of the ammonia and unprocessed carbon dioxide

Info

Publication number
CH507213A
CH507213A CH1869269A CH1869269A CH507213A CH 507213 A CH507213 A CH 507213A CH 1869269 A CH1869269 A CH 1869269A CH 1869269 A CH1869269 A CH 1869269A CH 507213 A CH507213 A CH 507213A
Authority
CH
Switzerland
Prior art keywords
ammonia
carbon dioxide
water
solution containing
containing ammonium
Prior art date
Application number
CH1869269A
Other languages
French (fr)
Inventor
Forlani Pierfranco
Paris Ivo
Zardi Umberto
Original Assignee
Snam Progetti
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 Snam Progetti filed Critical Snam Progetti
Publication of CH507213A publication Critical patent/CH507213A/en

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)
CH1869269A 1968-12-16 1969-12-16 Process for manufacturing urea from a solution containing ammonium carbamate, ammonia and water, with complete recycling of the ammonia and unprocessed carbon dioxide CH507213A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH507213A true CH507213A (en) 1971-05-15

Family

ID=11215793

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1869269A CH507213A (en) 1968-12-16 1969-12-16 Process for manufacturing urea from a solution containing ammonium carbamate, ammonia and water, with complete recycling of the ammonia and unprocessed carbon dioxide

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)

Families Citing this family (5)

* 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
WO2016099269A1 (en) 2014-12-18 2016-06-23 Stamicarbon B.V. Process for urea production

Also Published As

Publication number Publication date
JPS4828422B1 (en) 1973-09-01
CS152343B2 (en) 1973-12-19
BR6915202D0 (en) 1973-03-08
DK145081C (en) 1983-01-31
DE1962862A1 (en) 1970-07-02
IE33879B1 (en) 1974-11-27
NO135868C (en) 1977-06-15
ES374565A1 (en) 1972-01-01
CA975797A (en) 1975-10-07
NL169465C (en) 1982-07-16
IE33879L (en) 1970-06-16
RO59626A (en) 1976-08-15
YU310469A (en) 1982-02-28
YU39894B (en) 1985-06-30
LU60025A1 (en) 1970-02-16
NO135868B (en) 1977-03-07
AT305303B (en) 1973-02-26
DK145081B (en) 1982-08-23
GB1268430A (en) 1972-03-29
ZM17669A1 (en) 1970-05-18
NL169465B (en) 1982-02-16
NL6918420A (en) 1970-06-18
BE743187A (en) 1970-05-28
FR2026261A1 (en) 1970-09-18

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Legal Events

Date Code Title Description
PL Patent ceased