BE729862A - - Google Patents

Info

Publication number
BE729862A
BE729862A BE729862DA BE729862A BE 729862 A BE729862 A BE 729862A BE 729862D A BE729862D A BE 729862DA BE 729862 A BE729862 A BE 729862A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE729862A publication Critical patent/BE729862A/xx

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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
    • C07C273/10—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 combined with the synthesis of ammonia
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/04—Preparation of ammonia by synthesis in the gas phase
    • C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
    • C01C1/0488—Processes integrated with preparations of other compounds, e.g. methanol, urea or with processes for power generation
    • 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
    • Y02P20/52—Improvements 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)
BE729862D 1968-03-16 1969-03-14 BE729862A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6803775.A NL156686B (nl) 1968-03-16 1968-03-16 Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak.

Publications (1)

Publication Number Publication Date
BE729862A true BE729862A (xx) 1969-09-15

Family

ID=19803056

Family Applications (1)

Application Number Title Priority Date Filing Date
BE729862D BE729862A (xx) 1968-03-16 1969-03-14

Country Status (8)

Country Link
US (1) US3674847A (xx)
AT (1) AT288417B (xx)
BE (1) BE729862A (xx)
CH (1) CH530379A (xx)
DE (1) DE1913121B2 (xx)
FR (1) FR2004068A1 (xx)
GB (1) GB1207923A (xx)
NL (1) NL156686B (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2049891C3 (de) * 1969-10-15 1975-04-24 Snam Progetti S.P.A., Mailand (Italien) Verfahren zur Verbesserung der Ammoniumcarbamat-Zersetzung bei der Herstellung von Harnstoff
US3984469A (en) * 1969-10-16 1976-10-05 Snam Progetti S.P.A. Process for the production of urea
US4013718A (en) * 1970-09-03 1977-03-22 Snam Progetti S.P.A. Integrated process for the production of urea
IT1014987B (it) * 1974-06-12 1977-04-30 Snam Progetti Procedimento integrato urea am moniaca
IT1065422B (it) * 1976-12-23 1985-02-25 Snam Progetti Processo ammoniaca-urea integrato per la produzione di urea
US4235816A (en) * 1979-03-08 1980-11-25 Snamprogetti S.P.A. Integrated ammonia-urea process
JPS56128749A (en) * 1980-03-13 1981-10-08 Mitsui Toatsu Chem Inc Stripping of unreacted material in urea preparation process
JPS61109760A (ja) * 1984-11-02 1986-05-28 Toyo Eng Corp 尿素製造法
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
DE102016203277A1 (de) 2016-02-29 2017-08-31 Thyssenkrupp Ag Integrierte Synthese von Ammoniak und Harnstoff
EP3366645A1 (en) * 2017-02-28 2018-08-29 Casale Sa Ammonia-urea integrated process and plant
DE102019208859A1 (de) 2019-06-18 2020-12-24 Skw Stickstoffwerke Piesteritz Gmbh Verfahren zur kontinuierlichen Herstellung reiner Harnstofflösungen durch Verwertung von Prozesswasser

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH468356A (de) * 1966-04-05 1969-02-15 Inventa Ag Verfahren zur Aufarbeitung des bei der Synthese von Harnstoff aus Ammoniak und Kohlendioxyd in einem Synthesereaktor bei erhöhtem Druck und erhöhter Temperatur erhaltenen Synthesegemisches
FR1487249A (fr) * 1966-04-05 1967-06-30 Inventa Ag Procédé de fabrication de l'urée à partir de l'ammoniac et de l'anhydride carbonique
FR1543872A (fr) * 1966-11-11 1968-10-25 Humphreys & Glasgow Ltd Procédé de fabrication d'urée

Also Published As

Publication number Publication date
AT288417B (de) 1971-03-10
FR2004068A1 (xx) 1969-11-21
DE1913121B2 (de) 1978-01-19
DE1913121A1 (de) 1969-10-23
NL156686B (nl) 1978-05-16
US3674847A (en) 1972-07-04
CH530379A (de) 1972-11-15
NL6803775A (xx) 1969-09-18
GB1207923A (en) 1970-10-07

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: STAMICARBON N.V.

Effective date: 19840314