CS202587B2 - Process for integral production of ammonia and urea - Google Patents

Process for integral production of ammonia and urea Download PDF

Info

Publication number
CS202587B2
CS202587B2 CS778595A CS859577A CS202587B2 CS 202587 B2 CS202587 B2 CS 202587B2 CS 778595 A CS778595 A CS 778595A CS 859577 A CS859577 A CS 859577A CS 202587 B2 CS202587 B2 CS 202587B2
Authority
CS
Czechoslovakia
Prior art keywords
ammonia
carbon dioxide
urea
carbamate
solution
Prior art date
Application number
CS778595A
Other languages
Czech (cs)
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 CS202587B2 publication Critical patent/CS202587B2/cs

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)
CS778595A 1976-12-23 1977-12-20 Process for integral production of ammonia and urea CS202587B2 (en)

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
CS202587B2 true CS202587B2 (en) 1981-01-30

Family

ID=11232110

Family Applications (1)

Application Number Title Priority Date Filing Date
CS778595A CS202587B2 (en) 1976-12-23 1977-12-20 Process for integral production of ammonia and urea

Country Status (24)

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

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
NL8502227A (nl) * 1985-08-12 1987-03-02 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL8502228A (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
ATE242174T1 (de) * 1999-03-31 2003-06-15 Urea Casale Sa Verfahren zur gleichzeitigen modernisierung einer ammoniakherstellungsanlage und einer harnstoffherstellungsanlage
NO2617708T3 (pt) * 2012-01-17 2018-01-13
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
LU37505A1 (pt) * 1958-08-08
BE564100A (pt) * 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
JPS5379820A (en) 1978-07-14
US4138434A (en) 1979-02-06
GB1560174A (en) 1980-01-30
LU78737A1 (pt) 1978-04-17
AU3092277A (en) 1979-05-31
CH629733A5 (it) 1982-05-14
PL203246A1 (pl) 1978-12-04
FR2375198A1 (fr) 1978-07-21
BE862286A (fr) 1978-06-23
MX150013A (es) 1984-03-02
FR2375198B1 (pt) 1980-06-06
IE46220L (en) 1978-06-23
CA1106405A (en) 1981-08-04
AU511037B2 (en) 1980-07-24
SE432590B (sv) 1984-04-09
DE2756059B2 (de) 1979-08-23
BR7708615A (pt) 1978-08-22
JPS6134407B2 (pt) 1986-08-07
DK147496B (da) 1984-09-03
DD133942A5 (de) 1979-01-31
IE46220B1 (en) 1983-04-06
IN145909B (pt) 1979-01-20
PL110233B1 (en) 1980-07-31
SU1152516A3 (en) 1985-04-23
DE2756059C3 (de) 1980-04-30
NL7714285A (nl) 1978-06-27
ES465188A1 (es) 1978-10-01
AR213462A1 (es) 1979-01-31
SE7714701L (sv) 1978-06-24
DK572077A (da) 1978-06-24
IT1065422B (it) 1985-02-25
DE2756059A1 (de) 1978-06-29
DK147496C (da) 1985-03-04

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