DD133942A5 - Verfahren zur gleichzeitigen herstellung von harnstoff und ammoniak - Google Patents

Verfahren zur gleichzeitigen herstellung von harnstoff und ammoniak

Info

Publication number
DD133942A5
DD133942A5 DD77202854A DD20285477A DD133942A5 DD 133942 A5 DD133942 A5 DD 133942A5 DD 77202854 A DD77202854 A DD 77202854A DD 20285477 A DD20285477 A DD 20285477A DD 133942 A5 DD133942 A5 DD 133942A5
Authority
DD
German Democratic Republic
Prior art keywords
urea
ammonia
simultaneous preparation
simultaneous
preparation
Prior art date
Application number
DD77202854A
Other languages
German (de)
English (en)
Inventor
Vincenzo Lagana
Francesco Saviano
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 DD133942A5 publication Critical patent/DD133942A5/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01CAMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00Ammonia; Compounds thereof
    • C01C1/02Preparation, purification or separation of ammonia
    • C01C1/04Preparation of ammonia by synthesis in the gas phase
    • C01C1/0405Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
    • C01C1/0488Processes integrated with preparations of other compounds, e.g. methanol, urea or with processes for power generation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation 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
    • C07C273/10Preparation 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 combined with the synthesis of ammonia
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DD77202854A 1976-12-23 1977-12-21 Verfahren zur gleichzeitigen herstellung von harnstoff und ammoniak DD133942A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT30797/76A IT1065422B (it) 1976-12-23 1976-12-23 Processo ammoniaca-urea integrato per la produzione di urea

Publications (1)

Publication Number Publication Date
DD133942A5 true DD133942A5 (de) 1979-01-31

Family

ID=11232110

Family Applications (1)

Application Number Title Priority Date Filing Date
DD77202854A DD133942A5 (de) 1976-12-23 1977-12-21 Verfahren zur gleichzeitigen herstellung von harnstoff und ammoniak

Country Status (24)

Country Link
US (1) US4138434A (en, 2012)
JP (1) JPS5379820A (en, 2012)
AR (1) AR213462A1 (en, 2012)
AU (1) AU511037B2 (en, 2012)
BE (1) BE862286A (en, 2012)
BR (1) BR7708615A (en, 2012)
CA (1) CA1106405A (en, 2012)
CH (1) CH629733A5 (en, 2012)
CS (1) CS202587B2 (en, 2012)
DD (1) DD133942A5 (en, 2012)
DE (1) DE2756059C3 (en, 2012)
DK (1) DK147496C (en, 2012)
ES (1) ES465188A1 (en, 2012)
FR (1) FR2375198A1 (en, 2012)
GB (1) GB1560174A (en, 2012)
IE (1) IE46220B1 (en, 2012)
IN (1) IN145909B (en, 2012)
IT (1) IT1065422B (en, 2012)
LU (1) LU78737A1 (en, 2012)
MX (1) MX150013A (en, 2012)
NL (1) NL7714285A (en, 2012)
PL (1) PL110233B1 (en, 2012)
SE (1) SE432590B (en, 2012)
SU (1) SU1152516A3 (en, 2012)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1094295B (it) * 1978-04-05 1985-07-26 Snam Progetti Procedimento integrato ammoniaca-urea
US4235816A (en) * 1979-03-08 1980-11-25 Snamprogetti S.P.A. Integrated ammonia-urea process
NL7903623A (nl) * 1979-05-09 1980-11-11 Stamicarbon Werkwijze voor het zuiveren van ureumhoudend afvalwater en werkwijze voor het bereiden van melamine.
NL8102391A (nl) * 1981-05-15 1982-12-01 Unie Van Kunstmestfab Bv Werkwijze voor het winnen van waardevolle bestanddelen uit de afvalstromen verkregen bij de ureumbereiding.
JPS61109760A (ja) * 1984-11-02 1986-05-28 Toyo Eng Corp 尿素製造法
NL8502228A (nl) * 1985-08-12 1987-03-02 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL8502227A (nl) * 1985-08-12 1987-03-02 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
JPS62220806A (ja) * 1986-03-24 1987-09-29 Fuji Electric Co Ltd 平面度測定装置
US4869887A (en) * 1987-10-30 1989-09-26 Dijk Christiaan P Van Integrated ammonia-urea process
US4988491A (en) * 1989-04-11 1991-01-29 Christiaan Van Dijk Flexible integration of the production of ammonia and urea
US5779861A (en) * 1993-09-03 1998-07-14 Farmland Industries, Inc. Method for treating process condensate
US5643420A (en) * 1993-09-03 1997-07-01 Farmland Industries, Inc. Method for treating process condensate
US5385646A (en) * 1993-09-03 1995-01-31 Farmland Industries, Inc. Method of treating chemical process effluent
EP0905127B1 (en) 1997-09-20 2001-11-28 Urea Casale S.A. Process for combined production of ammonia and urea
EP1041038B1 (en) * 1999-03-31 2003-06-04 Urea Casale S.A. Method for the simultaneous modernization of a plant for ammonia production and a plant for urea production
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
EP2690089A1 (en) 2012-07-25 2014-01-29 Urea Casale SA Use of urea synthesis purge gas in an integrated ammonia-urea process and related plant.
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
DE102016203277A1 (de) 2016-02-29 2017-08-31 Thyssenkrupp Ag Integrierte Synthese von Ammoniak und Harnstoff
DE102016122374A1 (de) 2016-11-21 2018-05-24 Thyssenkrupp Ag Vollintegrierter Ammoniak-Harnstoff-Komplex

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE581293A (en, 2012) * 1958-08-08 1900-01-01
BE564100A (en, 2012) * 1962-04-10 1900-01-01
US3954861A (en) * 1968-02-05 1976-05-04 Snamprogetti S.P.A Process for producing urea
NL156686B (nl) * 1968-03-16 1978-05-16 Stamicarbon Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak.
US3876696A (en) * 1968-09-03 1975-04-08 Snam Progetti Process for the production of urea having a low carbamate content
US3607939A (en) * 1968-12-23 1971-09-21 Stamicarbon Preparation of urea in combination with the synthesis of ammonia
US3711544A (en) * 1970-04-20 1973-01-16 Lummus Co Heat recovery in urea synthesis
NL172058C (nl) * 1972-06-12 1983-07-01 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
IT1014987B (it) * 1974-06-12 1977-04-30 Snam Progetti Procedimento integrato urea am moniaca

Also Published As

Publication number Publication date
PL203246A1 (pl) 1978-12-04
US4138434A (en) 1979-02-06
NL7714285A (nl) 1978-06-27
AU3092277A (en) 1979-05-31
CH629733A5 (it) 1982-05-14
FR2375198B1 (en, 2012) 1980-06-06
LU78737A1 (en, 2012) 1978-04-17
IN145909B (en, 2012) 1979-01-20
SE432590B (sv) 1984-04-09
AU511037B2 (en) 1980-07-24
DK572077A (da) 1978-06-24
FR2375198A1 (fr) 1978-07-21
DE2756059B2 (de) 1979-08-23
IE46220B1 (en) 1983-04-06
MX150013A (es) 1984-03-02
IE46220L (en) 1978-06-23
GB1560174A (en) 1980-01-30
SU1152516A3 (en) 1985-04-23
DK147496B (da) 1984-09-03
IT1065422B (it) 1985-02-25
DE2756059A1 (de) 1978-06-29
CA1106405A (en) 1981-08-04
CS202587B2 (en) 1981-01-30
ES465188A1 (es) 1978-10-01
BE862286A (fr) 1978-06-23
AR213462A1 (es) 1979-01-31
BR7708615A (pt) 1978-08-22
JPS6134407B2 (en, 2012) 1986-08-07
SE7714701L (sv) 1978-06-24
JPS5379820A (en) 1978-07-14
PL110233B1 (en) 1980-07-31
DK147496C (da) 1985-03-04
DE2756059C3 (de) 1980-04-30

Similar Documents

Publication Publication Date Title
DD133942A5 (de) Verfahren zur gleichzeitigen herstellung von harnstoff und ammoniak
DD133091A5 (de) Verfahren zur herstellung von harnstoff
DD130477A5 (de) Verfahren zur herstellung von mercaptoacylaminosaeuren und deren salzen
DD133805A5 (de) Verfahren zur herstellung von polyurethanharnstoffen
AT363954B (de) Verfahren zur herstellung von harnstoffkoernern
DD123594A5 (de) Flexibles integriertes verfahren zur herstellung von ammoniak und harnstoff
DD135196A5 (de) Verfahren und vorrichtung zur herstellung von harnstoff
CH498811A (de) Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxyd
DD134099A5 (de) Verfahren zur herstellung von d,1-5-methyltetrahydrofolsaeure und deren salzen
DD138540A5 (de) Verfahren zur herstellung von harnstoff
AT347966B (de) Verfahren zur herstellung von harnstoff aus ammoniak und kohlendioxyd
DD134087A5 (de) Verfahren zur kombinierten herstellung von ammoniak und harnstoff
AT344197B (de) Verfahren zur kondensation von ammoniumcarbonat bei der harnstoffsynthese
AT349483B (de) Verfahren zur herstellung von 2-methyl-4- hydroxy-1,2-benzothiazin-3-carboxamid-1,1- dioxiden und von deren salzen
AT344723B (de) Verfahren zur verminderung des biuretgehaltes von harnstoff
AT352140B (de) Verfahren zur gleichzeitigen herstellung von ammoniak und harnstoff
AT345850B (de) Verfahren zur herstellung von arylen-bis- sulfonylharnstoffen
DD132195A5 (de) Verfahren zur herstellung von aminen
AT322566B (de) Verfahren zur herstellung von harnstoff aus kohlendioxyd und ammoniak in kombination mit einer alkylenglykolsynthese
AT360036B (de) Verfahren zur herstellung von harnstoff und ammoniumcyanat
AT331816B (de) Verfahren zur herstellung von ammoniak und reaktor zur durchfuhrung des verfahrens
DD137093A5 (de) Verfahren und anlage zur herstellung von ammoniumnitrat-kalziumkarbonat-gemischen
DD131854A5 (de) Verfahren zur herstellung von amiden und ureiden
DD131254B1 (de) Verfahren zur gewinnung von ammoniak
DD134223A5 (de) Verfahren zur herstellung von harnstoff