DE2143583C3 - Verfahren zur Herstellung von Harnstoff - Google Patents

Verfahren zur Herstellung von Harnstoff

Info

Publication number
DE2143583C3
DE2143583C3 DE2143583A DE2143583A DE2143583C3 DE 2143583 C3 DE2143583 C3 DE 2143583C3 DE 2143583 A DE2143583 A DE 2143583A DE 2143583 A DE2143583 A DE 2143583A DE 2143583 C3 DE2143583 C3 DE 2143583C3
Authority
DE
Germany
Prior art keywords
ammonia
urea
synthesis
solution
carbamate
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
DE2143583A
Other languages
German (de)
English (en)
Other versions
DE2143583B2 (de
DE2143583A1 (de
Inventor
Giorgio Dr. Milano Pagani
Ivo Dr. Melegnano Paris
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
Publication of DE2143583A1 publication Critical patent/DE2143583A1/de
Publication of DE2143583B2 publication Critical patent/DE2143583B2/de
Application granted granted Critical
Publication of DE2143583C3 publication Critical patent/DE2143583C3/de
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
    • Y02P20/10—Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
DE2143583A 1970-09-03 1971-08-31 Verfahren zur Herstellung von Harnstoff Expired DE2143583C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2929570 1970-09-03

Publications (3)

Publication Number Publication Date
DE2143583A1 DE2143583A1 (de) 1972-04-20
DE2143583B2 DE2143583B2 (de) 1974-12-12
DE2143583C3 true DE2143583C3 (de) 1981-10-15

Family

ID=11226704

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2143583A Expired DE2143583C3 (de) 1970-09-03 1971-08-31 Verfahren zur Herstellung von Harnstoff

Country Status (25)

Country Link
JP (1) JPS5320013B1 (sv)
AT (1) AT332420B (sv)
AU (1) AU473454B2 (sv)
BE (1) BE771979A (sv)
CA (1) CA997369A (sv)
CH (1) CH551953A (sv)
CS (1) CS178090B2 (sv)
DE (1) DE2143583C3 (sv)
DK (1) DK138849B (sv)
ES (1) ES395094A1 (sv)
FR (1) FR2109719A5 (sv)
GB (1) GB1359715A (sv)
HU (1) HU171341B (sv)
IE (1) IE35705B1 (sv)
LU (1) LU63821A1 (sv)
MY (1) MY7700248A (sv)
NL (1) NL178250C (sv)
NO (1) NO139959C (sv)
PH (1) PH12569A (sv)
PL (1) PL94001B1 (sv)
RO (1) RO69642A (sv)
SE (1) SE409203B (sv)
TR (1) TR17294A (sv)
YU (1) YU35112B (sv)
ZA (1) ZA715560B (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2617708B1 (en) * 2012-01-17 2017-08-16 General Electric Technology GmbH A method of forming urea by integration of an ammonia production process in a urea production process and a system therefor
US9428449B2 (en) * 2013-01-16 2016-08-30 Alstom Technology Ltd Method of forming urea by integration of an ammonia production process in a urea production process and a system therefor

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT216006B (de) * 1960-12-15 1961-07-10 Stamicarbon Verfahren zur Herstellung von Harnstoff
AT235305B (de) * 1961-03-29 1964-08-25 Montedison Spa Verfahren zur Herstellung von Harnstoff
US3281464A (en) * 1961-09-08 1966-10-25 Lummus Co Urea purification with recovery of ammonia and carbon dioxide
DE1468245A1 (de) * 1962-02-28 1968-12-19 Montedison Spa Verfahren zur Rueckfuehrung von nicht umgesetztem Carbamat bei der Harnstoffsynthese aus Ammoniak und Kohlendioxyd
US3303215A (en) * 1962-03-09 1967-02-07 Toyo Koatsu Ind Inc Synthesis of urea
NL290346A (sv) * 1962-03-22 1900-01-01
AT244984B (de) * 1962-03-22 1966-02-10 Snam Spa Verfahren zur Herstellung von Harnstoff aus Kohlendioxyd und Ammoniak
US3349126A (en) * 1962-09-10 1967-10-24 Pullman Inc Integrated ammonia and urea process
NL127236C (sv) * 1964-05-29
IL27267A (en) * 1966-01-21 1970-10-30 Montedison Spa Process for the synthesis of urea from ammonia and carbon dioxide
NL148878B (nl) * 1966-04-22 1976-03-15 Stamicarbon Werkwijze voor de continue bereiding van ureum.
NL144927C (nl) * 1967-12-14 1980-10-15 Snam Progetti Werkwijze voor het continu bereiden van ureum.
NL153857B (nl) * 1967-12-21 1977-07-15 Stamicarbon Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak.
NL159960C (nl) * 1967-12-21 1979-09-17 Stamicarbon Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak.
JPS4832091B1 (sv) * 1968-02-12 1973-10-04
BE758646A (fr) * 1969-11-15 1971-04-16 Snam Progetti Procede de traitement des gaz de synthese de l'ammoniac

Also Published As

Publication number Publication date
NL7112192A (sv) 1972-03-07
DK138849C (sv) 1979-04-23
AU473454B2 (en) 1976-06-24
IE35705B1 (en) 1976-04-28
GB1359715A (en) 1974-07-10
HU171341B (hu) 1977-12-28
DK138849B (da) 1978-11-06
ATA771171A (de) 1976-01-15
RO69642A (ro) 1982-05-10
AT332420B (de) 1976-09-27
CS178090B2 (sv) 1977-08-31
PL94001B1 (sv) 1977-07-30
SE409203B (sv) 1979-08-06
CH551953A (fr) 1974-07-31
NO139959B (no) 1979-03-05
DE2143583B2 (de) 1974-12-12
FR2109719A5 (sv) 1972-05-26
LU63821A1 (sv) 1972-01-11
CA997369A (en) 1976-09-21
JPS5320013B1 (sv) 1978-06-24
DE2143583A1 (de) 1972-04-20
NO139959C (no) 1979-06-13
TR17294A (tr) 1975-03-24
YU35112B (en) 1980-09-25
BE771979A (fr) 1971-12-31
NL178250B (nl) 1985-09-16
ES395094A1 (es) 1974-01-16
NL178250C (nl) 1986-02-17
PH12569A (en) 1979-06-20
AU3209171A (en) 1973-02-08
ZA715560B (en) 1972-04-26
MY7700248A (en) 1977-12-31
YU197771A (en) 1979-12-31
IE35705L (en) 1972-03-03

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8380 Miscellaneous part iii

Free format text: DER VERTRETER LAUTET RICHTIG: WUESTHOFF, F., DR.-ING. PECHMANN, E. FRHR. VON, DIPL.-CHEM. DR.RER.NAT BEHRENS, D., DR.-ING. GOETZ, R., DIPL.-ING. DIPL.-WIRTSCH.-ING., PAT.-ANW., 8000 MUENCHEN

8381 Inventor (new situation)

Free format text: GUADALUPI, MARIO, DR. PAGANI, GIORGIO, DR., MILANO, IT ZARDI, UMBERTO, DR., SAN DONATO MILANESE, ITPARIS, IVO, DR., MELEGNANO, IT

8339 Ceased/non-payment of the annual fee