NO316222B1 - Fremgangsmåte for å fremstille melamin - Google Patents

Fremgangsmåte for å fremstille melamin Download PDF

Info

Publication number
NO316222B1
NO316222B1 NO20005716A NO20005716A NO316222B1 NO 316222 B1 NO316222 B1 NO 316222B1 NO 20005716 A NO20005716 A NO 20005716A NO 20005716 A NO20005716 A NO 20005716A NO 316222 B1 NO316222 B1 NO 316222B1
Authority
NO
Norway
Prior art keywords
melamine
gas
liquid
urea
reactor
Prior art date
Application number
NO20005716A
Other languages
English (en)
Norwegian (no)
Other versions
NO20005716L (no
NO20005716D0 (no
Inventor
Yin Wang
Original Assignee
Dsm Nv
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 Nv filed Critical Dsm Nv
Publication of NO20005716L publication Critical patent/NO20005716L/no
Publication of NO20005716D0 publication Critical patent/NO20005716D0/no
Publication of NO316222B1 publication Critical patent/NO316222B1/no

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Cosmetics (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
NO20005716A 1998-05-12 2000-11-13 Fremgangsmåte for å fremstille melamin NO316222B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8506598P 1998-05-12 1998-05-12
PCT/NL1999/000264 WO1999058508A1 (en) 1998-05-12 1999-05-03 Method for preparing melamine

Publications (3)

Publication Number Publication Date
NO20005716L NO20005716L (no) 2000-11-13
NO20005716D0 NO20005716D0 (no) 2000-11-13
NO316222B1 true NO316222B1 (no) 2003-12-29

Family

ID=22189244

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20005716A NO316222B1 (no) 1998-05-12 2000-11-13 Fremgangsmåte for å fremstille melamin

Country Status (17)

Country Link
EP (1) EP1084112B1 (id)
JP (1) JP2002514629A (id)
KR (1) KR100509078B1 (id)
CN (1) CN1129586C (id)
AT (1) ATE260903T1 (id)
AU (1) AU745217B2 (id)
CA (1) CA2331597C (id)
DE (1) DE69915286T2 (id)
EA (1) EA003336B1 (id)
ES (1) ES2217750T3 (id)
GB (1) GB2337259B (id)
ID (1) ID26568A (id)
NO (1) NO316222B1 (id)
PL (1) PL195742B1 (id)
SA (1) SA99200139B1 (id)
TW (1) TW496864B (id)
WO (1) WO1999058508A1 (id)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT500297B8 (de) * 2000-11-08 2007-02-15 Agrolinz Melamin Gmbh Verfahren zur reinigung von melaminhältigen ammoniak
DE102006055571B4 (de) * 2006-11-20 2018-09-27 Urea Casale S.A. Verfahren und Vorrichtung zur Aufarbeitung einer Melaminschmelze
IT1403101B1 (it) * 2010-12-15 2013-10-04 Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen Uso di urea contenente formaldeide in un procedimento per la produzione di melammina mediante pirolisi dell'urea e relativo procedimento per la produzione di melammina

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116294A (en) * 1963-12-31 Process- for preparing high-purity melamine from urea
GB1003278A (en) * 1963-07-18 1965-09-02 Nissan Chemical Ind Ltd A process for separating melamine from waste gas
US3386999A (en) * 1966-02-10 1968-06-04 Chemical Construction Corp Synthesis of melamine
NL8105027A (nl) * 1981-11-06 1983-06-01 Stamicarbon Werkwijze voor het omzetten in ammoniak en kooldioxide van gasvormige verbindingen die stikstof- en koolstofatomen bevatten.
US5514796A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Melamine of improved purity produced by high-pressure, non-catalytic process

Also Published As

Publication number Publication date
EA200001170A1 (ru) 2001-04-23
SA99200139B1 (ar) 2006-04-04
GB2337259B (en) 2000-03-29
AU745217B2 (en) 2002-03-14
TW496864B (en) 2002-08-01
KR100509078B1 (ko) 2005-08-18
CN1299353A (zh) 2001-06-13
EA003336B1 (ru) 2003-04-24
JP2002514629A (ja) 2002-05-21
CA2331597C (en) 2008-01-08
NO20005716L (no) 2000-11-13
CN1129586C (zh) 2003-12-03
GB9909901D0 (en) 1999-06-30
EP1084112B1 (en) 2004-03-03
ATE260903T1 (de) 2004-03-15
DE69915286D1 (de) 2004-04-08
EP1084112A1 (en) 2001-03-21
CA2331597A1 (en) 1999-11-18
AU3736599A (en) 1999-11-29
KR20010024998A (ko) 2001-03-26
GB2337259A (en) 1999-11-17
PL195742B1 (pl) 2007-10-31
NO20005716D0 (no) 2000-11-13
ID26568A (id) 2001-01-18
ES2217750T3 (es) 2004-11-01
DE69915286T2 (de) 2005-02-24
WO1999058508A1 (en) 1999-11-18
PL343926A1 (en) 2001-09-10

Similar Documents

Publication Publication Date Title
RU2161608C2 (ru) Некаталитический способ получения меламина повышенной чистоты при высоком давлении
CA2279235C (en) Process for preparing urea
EP0808836B1 (en) Method for the preparation of melamine
NO316222B1 (no) Fremgangsmåte for å fremstille melamin
KR920001740B1 (ko) 멜라민을 제조하는 연속법 및 이를 위한 플랜트 시스템
AU715825B2 (en) Method for the preparation of melamine
US6303781B1 (en) Method for preparing melamine
AU728549B2 (en) Method for preparing melamine
MXPA00011109A (en) Method for preparing melamine
KR100463342B1 (ko) 멜라민의제조방법
MXPA99007028A (en) Process for preparing urea
MXPA98007746A (en) Method for the preparation of melam
MXPA99010739A (en) Method for preparing melamine