NO321902B1 - Fremgangsmate ved fremstilling av melamin - Google Patents

Fremgangsmate ved fremstilling av melamin Download PDF

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Publication number
NO321902B1
NO321902B1 NO20001961A NO20001961A NO321902B1 NO 321902 B1 NO321902 B1 NO 321902B1 NO 20001961 A NO20001961 A NO 20001961A NO 20001961 A NO20001961 A NO 20001961A NO 321902 B1 NO321902 B1 NO 321902B1
Authority
NO
Norway
Prior art keywords
melamine
ammonia
cooling container
spray
molten
Prior art date
Application number
NO20001961A
Other languages
English (en)
Norwegian (no)
Other versions
NO20001961L (no
NO20001961D0 (no
Inventor
David Edward Best
Tjay Tjien Tjioe
Original Assignee
Dsm Ip Assets Bv
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 Dsm Ip Assets Bv filed Critical Dsm Ip Assets Bv
Publication of NO20001961D0 publication Critical patent/NO20001961D0/no
Publication of NO20001961L publication Critical patent/NO20001961L/no
Publication of NO321902B1 publication Critical patent/NO321902B1/no

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D251/00Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40Nitrogen atoms
    • C07D251/54Three nitrogen atoms
    • C07D251/56Preparation of melamine
    • C07D251/60Preparation of melamine from urea or from carbon dioxide and ammonia
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D251/00Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40Nitrogen atoms
    • C07D251/54Three nitrogen atoms
    • C07D251/62Purification of melamine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Fertilizers (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Nozzles (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Cosmetics (AREA)
NO20001961A 1997-10-15 2000-04-14 Fremgangsmate ved fremstilling av melamin NO321902B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6257497P 1997-10-15 1997-10-15
PCT/NL1998/000583 WO1999019310A1 (en) 1997-10-15 1998-10-12 Process for the preparation of melamine

Publications (3)

Publication Number Publication Date
NO20001961D0 NO20001961D0 (no) 2000-04-14
NO20001961L NO20001961L (no) 2000-06-05
NO321902B1 true NO321902B1 (no) 2006-07-17

Family

ID=22043373

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20001961A NO321902B1 (no) 1997-10-15 2000-04-14 Fremgangsmate ved fremstilling av melamin

Country Status (16)

Country Link
US (1) US6262261B1 (enExample)
EP (1) EP1025093B1 (enExample)
JP (1) JP2001519419A (enExample)
KR (1) KR100539150B1 (enExample)
CN (1) CN1122027C (enExample)
AT (1) ATE264848T1 (enExample)
AU (1) AU738254B2 (enExample)
CA (1) CA2306511C (enExample)
DE (1) DE69823380T2 (enExample)
ES (1) ES2219913T3 (enExample)
ID (1) ID24074A (enExample)
NO (1) NO321902B1 (enExample)
PL (1) PL195926B1 (enExample)
SA (1) SA98190737B1 (enExample)
TW (1) TWI221472B (enExample)
WO (1) WO1999019310A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6380385B1 (en) 1995-12-07 2002-04-30 Agrolinz Melanin Gmbh Process for the preparation of pure melamine
US7390415B2 (en) * 2002-07-22 2008-06-24 Cytec Technology Corp. Method and compositions for preventing or reducing aluminosilicate scale in alkaline industrial processes
AU2008201441B2 (en) * 2002-07-22 2010-08-12 Cytec Technology Corp. Method of preventing or reducing aluminosilicate scale in a Bayer process
US6814873B2 (en) * 2002-07-22 2004-11-09 Cytec Technology Corp. Method of preventing or reducing aluminosilicate scale in a bayer process
CA2701136C (en) * 2007-11-30 2013-01-08 Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natural Resources Canada Vapour phase esterification of free fatty acids
RU2495875C1 (ru) 2012-10-11 2013-10-20 Открытое Акционерное Общество "Научно-Исследовательский И Проектный Институт Карбамида И Продуктов Органического Синтеза" (Оао Ниик) Способ охлаждения расплава меламина
CN108530369B (zh) * 2018-04-25 2020-01-31 中国工程物理研究院化工材料研究所 一种1,3,5-三嗪-2,4,6-三胺的合成方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3446877A (en) * 1967-04-28 1969-05-27 Lummus Co Process for producing prills
US3689607A (en) * 1970-10-26 1972-09-05 Union Oil Co Urea prilling
US4171091A (en) * 1976-03-26 1979-10-16 Stamicarbon, B.V. Process and device for spraying liquid
NL8001874A (nl) * 1980-03-29 1981-11-02 Stamicarbon Inrichting voor het versproeien van een vloeistof met behulp van een gas.
US4565867A (en) * 1984-01-05 1986-01-21 Melamine Chemicals, Inc. Anhydrous high-pressure melamine synthesis
AT402294B (de) * 1994-12-23 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
AU728823B2 (en) * 1997-06-02 2001-01-18 Dsm N.V. Method for preparing melamine

Also Published As

Publication number Publication date
ATE264848T1 (de) 2004-05-15
JP2001519419A (ja) 2001-10-23
CA2306511C (en) 2008-06-03
DE69823380D1 (de) 2004-05-27
EP1025093A1 (en) 2000-08-09
PL195926B1 (pl) 2007-11-30
CN1275125A (zh) 2000-11-29
NO20001961L (no) 2000-06-05
ID24074A (id) 2000-07-06
US6262261B1 (en) 2001-07-17
CA2306511A1 (en) 1999-04-22
AU738254B2 (en) 2001-09-13
AU9652598A (en) 1999-05-03
PL339924A1 (en) 2001-01-15
ES2219913T3 (es) 2004-12-01
KR20010015739A (ko) 2001-02-26
KR100539150B1 (ko) 2005-12-26
WO1999019310A1 (en) 1999-04-22
SA98190737B1 (ar) 2006-06-24
CN1122027C (zh) 2003-09-24
DE69823380T2 (de) 2005-05-04
EP1025093B1 (en) 2004-04-21
TWI221472B (en) 2004-10-01
NO20001961D0 (no) 2000-04-14

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