YU39894B - Process for the continuous obtaining of carbamides under total decomposition of the unreacted ammonium carbamate and recirculation of ammonia and carbon dioxide - Google Patents

Process for the continuous obtaining of carbamides under total decomposition of the unreacted ammonium carbamate and recirculation of ammonia and carbon dioxide

Info

Publication number
YU39894B
YU39894B YU3104/69A YU310469A YU39894B YU 39894 B YU39894 B YU 39894B YU 3104/69 A YU3104/69 A YU 3104/69A YU 310469 A YU310469 A YU 310469A YU 39894 B YU39894 B YU 39894B
Authority
YU
Yugoslavia
Prior art keywords
carbamides
recirculation
ammonia
carbon dioxide
ammonium carbamate
Prior art date
Application number
YU3104/69A
Other languages
English (en)
Other versions
YU310469A (en
Inventor
P Forlani
J Paris
U Zardi
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 YU310469A publication Critical patent/YU310469A/xx
Publication of YU39894B publication Critical patent/YU39894B/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)
YU3104/69A 1968-12-16 1969-12-11 Process for the continuous obtaining of carbamides under total decomposition of the unreacted ammonium carbamate and recirculation of ammonia and carbon dioxide YU39894B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
YU310469A YU310469A (en) 1982-02-28
YU39894B true YU39894B (en) 1985-06-30

Family

ID=11215793

Family Applications (1)

Application Number Title Priority Date Filing Date
YU3104/69A YU39894B (en) 1968-12-16 1969-12-11 Process for the continuous obtaining of carbamides under total decomposition of the unreacted ammonium carbamate and recirculation of ammonia and carbon dioxide

Country Status (19)

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

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 (de) * 1978-11-15 1980-05-24
JPS61109760A (ja) * 1984-11-02 1986-05-28 Toyo Eng Corp 尿素製造法
EP3233792B1 (de) 2014-12-18 2019-09-04 Stamicarbon B.V. Verfahren zur herstellung von harnstoff

Also Published As

Publication number Publication date
AT305303B (de) 1973-02-26
GB1268430A (en) 1972-03-29
CH507213A (fr) 1971-05-15
ZM17669A1 (en) 1970-05-18
BR6915202D0 (pt) 1973-03-08
FR2026261A1 (de) 1970-09-18
DK145081B (da) 1982-08-23
BE743187A (de) 1970-05-28
IE33879B1 (en) 1974-11-27
NL169465B (nl) 1982-02-16
CA975797A (en) 1975-10-07
NO135868B (de) 1977-03-07
RO59626A (de) 1976-08-15
YU310469A (en) 1982-02-28
DE1962862A1 (de) 1970-07-02
DK145081C (da) 1983-01-31
CS152343B2 (de) 1973-12-19
ES374565A1 (es) 1972-01-01
LU60025A1 (de) 1970-02-16
IE33879L (en) 1970-06-16
NL169465C (nl) 1982-07-16
JPS4828422B1 (de) 1973-09-01
NO135868C (de) 1977-06-15
NL6918420A (de) 1970-06-18

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