ZM17669A1 - 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
ZM17669A1
ZM17669A1 ZM176/69A ZM17669A ZM17669A1 ZM 17669 A1 ZM17669 A1 ZM 17669A1 ZM 176/69 A ZM176/69 A ZM 176/69A ZM 17669 A ZM17669 A ZM 17669A ZM 17669 A1 ZM17669 A1 ZM 17669A1
Authority
ZM
Zambia
Prior art keywords
ammonia
urea
transformed
production
carbon dioxide
Prior art date
Application number
ZM176/69A
Other languages
English (en)
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 ZM17669A1 publication Critical patent/ZM17669A1/xx

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)
ZM176/69A 1968-12-16 1969-12-09 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 ZM17669A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZM17669A1 true ZM17669A1 (en) 1970-05-18

Family

ID=11215793

Family Applications (1)

Application Number Title Priority Date Filing Date
ZM176/69A ZM17669A1 (en) 1968-12-16 1969-12-09 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 (da)
AT (1) AT305303B (da)
BE (1) BE743187A (da)
BR (1) BR6915202D0 (da)
CA (1) CA975797A (da)
CH (1) CH507213A (da)
CS (1) CS152343B2 (da)
DE (1) DE1962862A1 (da)
DK (1) DK145081C (da)
ES (1) ES374565A1 (da)
FR (1) FR2026261A1 (da)
GB (1) GB1268430A (da)
IE (1) IE33879B1 (da)
LU (1) LU60025A1 (da)
NL (1) NL169465C (da)
NO (1) NO135868C (da)
RO (1) RO59626A (da)
YU (1) YU39894B (da)
ZM (1) ZM17669A1 (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE787832A (fr) * 1971-09-02 1973-02-22 Stamicarbon Procede pour la preparation d'uree
JPS53102724A (en) * 1977-02-18 1978-09-07 Matsushita Electric Ind Co Ltd Magnetic head and its manufacture
JPS5575833U (da) * 1978-11-15 1980-05-24
JPS61109760A (ja) * 1984-11-02 1986-05-28 Toyo Eng Corp 尿素製造法
EP3233792B1 (en) 2014-12-18 2019-09-04 Stamicarbon B.V. Process for urea production

Also Published As

Publication number Publication date
YU310469A (en) 1982-02-28
BE743187A (da) 1970-05-28
LU60025A1 (da) 1970-02-16
CS152343B2 (da) 1973-12-19
ES374565A1 (es) 1972-01-01
DE1962862A1 (de) 1970-07-02
IE33879B1 (en) 1974-11-27
JPS4828422B1 (da) 1973-09-01
NO135868C (da) 1977-06-15
FR2026261A1 (da) 1970-09-18
AT305303B (de) 1973-02-26
DK145081C (da) 1983-01-31
CH507213A (fr) 1971-05-15
CA975797A (en) 1975-10-07
YU39894B (en) 1985-06-30
NO135868B (da) 1977-03-07
NL169465C (nl) 1982-07-16
GB1268430A (en) 1972-03-29
IE33879L (en) 1970-06-16
NL6918420A (da) 1970-06-18
DK145081B (da) 1982-08-23
NL169465B (nl) 1982-02-16
BR6915202D0 (pt) 1973-03-08
RO59626A (da) 1976-08-15

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