CH547263A - Integriertes verfahren zu der herstellung von harnstoff und melamin. - Google Patents

Integriertes verfahren zu der herstellung von harnstoff und melamin.

Info

Publication number
CH547263A
CH547263A CH1886870A CH547263DA CH547263A CH 547263 A CH547263 A CH 547263A CH 1886870 A CH1886870 A CH 1886870A CH 547263D A CH547263D A CH 547263DA CH 547263 A CH547263 A CH 547263A
Authority
CH
Switzerland
Prior art keywords
melamine
urea
production
integrated process
integrated
Prior art date
Application number
CH1886870A
Other languages
German (de)
English (en)
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Publication of CH547263A publication Critical patent/CH547263A/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
    • C07C273/12—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 melamine
    • 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)
CH1886870A 1969-12-20 1970-12-18 Integriertes verfahren zu der herstellung von harnstoff und melamin. CH547263A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6919152A NL6919152A (fr) 1969-12-20 1969-12-20

Publications (1)

Publication Number Publication Date
CH547263A true CH547263A (de) 1974-03-29

Family

ID=19808679

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1886870A CH547263A (de) 1969-12-20 1970-12-18 Integriertes verfahren zu der herstellung von harnstoff und melamin.

Country Status (13)

Country Link
US (1) US3697521A (fr)
JP (1) JPS4911376B1 (fr)
AT (1) AT311989B (fr)
BE (1) BE760524A (fr)
CH (1) CH547263A (fr)
DE (1) DE2062551A1 (fr)
ES (1) ES386653A1 (fr)
FR (1) FR2074090A5 (fr)
GB (1) GB1320950A (fr)
NL (1) NL6919152A (fr)
NO (1) NO131643C (fr)
SE (1) SE381657B (fr)
ZA (1) ZA708473B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52106360U (fr) * 1976-02-06 1977-08-12
NL7903623A (nl) * 1979-05-09 1980-11-11 Stamicarbon Werkwijze voor het zuiveren van ureumhoudend afvalwater en werkwijze voor het bereiden van melamine.
US4433146A (en) * 1982-04-07 1984-02-21 Stamicarbon B.V. Process for the preparation of melamine
NL1014281C2 (nl) * 2000-02-03 2001-08-06 Dsm Nv Werkwijze voor de bereiding van melamine uit ureum.
EP1918274A1 (fr) * 2006-11-04 2008-05-07 Urea Casale S.A. Procédé de préparation integrée de l'urée et de la mélamine
DE102007022462A1 (de) * 2007-05-09 2008-11-13 Ami-Agrolinz Melamine International Gmbh Verfahren und Vorrichtung zur Behandlung einer Ammoniumcarbonatlösung
EP2050740A1 (fr) * 2007-10-15 2009-04-22 Basf Se Procédé de fabrication de mélamine
US9863725B1 (en) 2012-02-29 2018-01-09 The United States Of America As Represented By The Secretary Of The Air Force Systems and methods for thermal management through use of ammonium carbamate
CN111995592B (zh) * 2020-09-30 2024-02-06 四川金象赛瑞化工股份有限公司 一种尿素与三聚氰胺联产的方法和装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310558A (en) * 1967-03-21 Melamine recovery
US3239522A (en) * 1963-03-12 1966-03-08 Chemical Construction Corp Synthesis of urea and melamine
US3290308A (en) * 1964-02-11 1966-12-06 Chemical Construction Corp Synthesis of pure melamine
US3544628A (en) * 1965-09-20 1970-12-01 Pullman Inc Urea synthesis
GB1148767A (en) * 1965-10-25 1969-04-16 Nissan Chemical Ind Ltd Process for the production of melamine
US3503970A (en) * 1967-07-19 1970-03-31 Mitsui Toatsu Chemicals Integrated process for producing urea and melamine

Also Published As

Publication number Publication date
GB1320950A (en) 1973-06-20
JPS4911376B1 (fr) 1974-03-16
NO131643C (fr) 1975-07-02
DE2062551A1 (de) 1971-08-05
US3697521A (en) 1972-10-10
AT311989B (de) 1973-12-10
SE381657B (sv) 1975-12-15
FR2074090A5 (fr) 1971-10-01
ZA708473B (en) 1971-09-29
ES386653A1 (es) 1973-03-16
NL6919152A (fr) 1971-06-22
NO131643B (fr) 1975-03-24
BE760524A (fr) 1971-06-18

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Legal Events

Date Code Title Description
PL Patent ceased