ATE187446T1 - Verfahren zur herstellung von melamin - Google Patents

Verfahren zur herstellung von melamin

Info

Publication number
ATE187446T1
ATE187446T1 AT94919702T AT94919702T ATE187446T1 AT E187446 T1 ATE187446 T1 AT E187446T1 AT 94919702 T AT94919702 T AT 94919702T AT 94919702 T AT94919702 T AT 94919702T AT E187446 T1 ATE187446 T1 AT E187446T1
Authority
AT
Austria
Prior art keywords
pct
melamine
vaporizer
sec
range
Prior art date
Application number
AT94919702T
Other languages
English (en)
Inventor
Ilkka Turunen
Pekka Oinas
Original Assignee
Kemira Agro Oy
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 Kemira Agro Oy filed Critical Kemira Agro Oy
Application granted granted Critical
Publication of ATE187446T1 publication Critical patent/ATE187446T1/de

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)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
AT94919702T 1993-07-01 1994-07-01 Verfahren zur herstellung von melamin ATE187446T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI933033A FI96028C (fi) 1993-07-01 1993-07-01 Menetelmä melamiinin valmistamiseksi

Publications (1)

Publication Number Publication Date
ATE187446T1 true ATE187446T1 (de) 1999-12-15

Family

ID=8538255

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94919702T ATE187446T1 (de) 1993-07-01 1994-07-01 Verfahren zur herstellung von melamin

Country Status (10)

Country Link
US (1) US5731437A (de)
EP (1) EP0706519B1 (de)
JP (1) JPH08512042A (de)
AT (1) ATE187446T1 (de)
DE (1) DE69422039T2 (de)
ES (1) ES2141238T3 (de)
FI (1) FI96028C (de)
PT (1) PT706519E (de)
SA (1) SA94150027B1 (de)
WO (1) WO1995001345A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT402294B (de) * 1994-12-23 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
AT402296B (de) * 1995-02-03 1997-03-25 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
US5514796A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Melamine of improved purity produced by high-pressure, non-catalytic process
US5514797A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Method for increasing purity of melamine
AU5346298A (en) * 1996-12-16 1998-07-15 Dsm N.V. Method for the preparation of melamine
NL1004814C2 (nl) * 1996-12-18 1998-06-19 Dsm Nv Werkwijze voor het bereiden van melamine.
KR100533189B1 (ko) * 1998-01-30 2005-12-05 아엠이-아그로린츠 멜라민 인터내셔날 게엠베하 멜라민 냉각방법
US6355797B2 (en) 1998-01-30 2002-03-12 Agrolinz Melamin Gmbh Process for cooling melamine
NL1008571C2 (nl) * 1998-03-12 1999-07-28 Dsm Nv Kristallijn melamine.
FI107257B (fi) * 1998-12-31 2001-06-29 Kemira Agro Oy Menetelmä melamiinin valmistamiseksi
EP1035117A1 (de) 1999-03-08 2000-09-13 Dsm N.V. Verfahren zur Herstellung von Melamin aus Harnstoff
EP1054006A1 (de) * 1999-05-20 2000-11-22 Dsm N.V. Verfahren zur Herstellung von Melamin
NL1012467C2 (nl) * 1999-06-29 2001-01-02 Dsm Nv Werkwijze voor het afscheiden van melamine uit melaminehoudende gasmengels.
AT409489B (de) 2000-10-20 2002-08-26 Agrolinz Melamin Gmbh Verfahren zur herstellung von melamin
AT500297B8 (de) * 2000-11-08 2007-02-15 Agrolinz Melamin Gmbh Verfahren zur reinigung von melaminhältigen ammoniak
ITMI20021422A1 (it) * 2002-06-27 2003-12-29 Eurotecnica Dev & Licensing S Procedimento e dispositivo per il recupero della melammina per espansione dalle sue miscele grezze prodotte nel processo di pirolisi dell'ur
DE10319902A1 (de) * 2003-04-29 2005-08-18 Ami-Agrolinz Melamine International Gmbh Verfahren und Vorrichtung zur Herstellung von Melamin unter Hochdruck
EA201070769A1 (ru) * 2007-12-20 2010-12-30 ДСМ Ай Пи ЭССЕТС Б.В. Способ получения меламина
ITMI20082294A1 (it) * 2008-12-22 2010-06-23 Eurotecnica Melamine Luxemburg Zwe Igniederlassun Procedimento migliorato per la produzione di melammina ad elevata purezza mediante pirolisi dell'urea
EP3208264A1 (de) * 2016-02-19 2017-08-23 Casale SA Verfahren zur modernisierung einer hochdrückmelaminanlage
EP4245754A1 (de) * 2022-03-15 2023-09-20 Casale Sa Verfahren zur synthese von melamin

Family Cites Families (6)

* 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
GB800722A (en) * 1955-03-12 1958-09-03 Montedison Spa Improvements in the production of melamine from urea
DE1695564A1 (de) * 1966-07-22 1971-05-06 Nissan Chemical Ind Ltd Verfahren zur Herstellung von Melamin hoher Reinheit
US4565867A (en) * 1984-01-05 1986-01-21 Melamine Chemicals, Inc. Anhydrous high-pressure melamine synthesis
IT1270577B (it) * 1993-02-22 1997-05-06 Wladimiro Bizzotto Reattore melamina ad alta pressione
US5514797A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Method for increasing purity of melamine

Also Published As

Publication number Publication date
SA94150027B1 (ar) 2005-10-15
FI96028C (fi) 1996-04-25
JPH08512042A (ja) 1996-12-17
FI933033L (fi) 1995-01-02
FI933033A0 (fi) 1993-07-01
ES2141238T3 (es) 2000-03-16
DE69422039T2 (de) 2000-05-25
EP0706519A1 (de) 1996-04-17
EP0706519B1 (de) 1999-12-08
FI96028B (fi) 1996-01-15
DE69422039D1 (de) 2000-01-13
US5731437A (en) 1998-03-24
PT706519E (pt) 2000-05-31
WO1995001345A1 (en) 1995-01-12

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Legal Events

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UEP Publication of translation of european patent specification