DK0799213T3 - Fremgangsmåde til oprensning af melamin - Google Patents

Fremgangsmåde til oprensning af melamin

Info

Publication number
DK0799213T3
DK0799213T3 DK95942138T DK95942138T DK0799213T3 DK 0799213 T3 DK0799213 T3 DK 0799213T3 DK 95942138 T DK95942138 T DK 95942138T DK 95942138 T DK95942138 T DK 95942138T DK 0799213 T3 DK0799213 T3 DK 0799213T3
Authority
DK
Denmark
Prior art keywords
melamine
ammonia pressure
purification
temperature
bars
Prior art date
Application number
DK95942138T
Other languages
English (en)
Inventor
Helmut Fingrhut
Lorenzo Canzi
Gerhard Coufal
Silvano Giacomuzzo
Llner Martin M
Original Assignee
Agrolinz Melamin Gmbh
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 Agrolinz Melamin Gmbh filed Critical Agrolinz Melamin Gmbh
Application granted granted Critical
Publication of DK0799213T3 publication Critical patent/DK0799213T3/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic 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
    • C07D251/26—Heterocyclic 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
    • C07D251/40—Nitrogen atoms
    • C07D251/54—Three nitrogen atoms
    • C07D251/62—Purification of melamine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
  • Color Printing (AREA)
DK95942138T 1994-12-23 1995-12-13 Fremgangsmåde til oprensning af melamin DK0799213T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0239394A AT402295B (de) 1994-12-23 1994-12-23 Verfahren zur reinigung von melamin
PCT/EP1995/004921 WO1996020183A1 (de) 1994-12-23 1995-12-13 Verfahren zur reinigung von melamin

Publications (1)

Publication Number Publication Date
DK0799213T3 true DK0799213T3 (da) 1999-08-02

Family

ID=3533533

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95942138T DK0799213T3 (da) 1994-12-23 1995-12-13 Fremgangsmåde til oprensning af melamin

Country Status (17)

Country Link
EP (1) EP0799213B1 (da)
JP (1) JPH10511369A (da)
KR (1) KR100374731B1 (da)
CN (1) CN1068315C (da)
AT (2) AT402295B (da)
BR (1) BR9510606A (da)
DE (1) DE59504292D1 (da)
DK (1) DK0799213T3 (da)
ES (1) ES2124034T3 (da)
HR (1) HRP950605B1 (da)
IL (1) IL116516A (da)
NZ (1) NZ298044A (da)
PL (1) PL187434B1 (da)
RO (1) RO115521B1 (da)
RU (1) RU2161610C2 (da)
TW (1) TW299324B (da)
WO (1) WO1996020183A1 (da)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5514797A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Method for increasing purity of melamine
NL1003328C2 (nl) * 1996-06-13 1997-12-17 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1003709C2 (nl) 1996-07-30 1998-02-05 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1006095C2 (nl) * 1997-05-21 1998-11-25 Dsm Nv Werkwijze voor het bereiden van melamine.
AU728549B2 (en) 1997-05-21 2001-01-11 Dsm Ip Assets B.V. Method for preparing melamine
CN1130353C (zh) 1997-05-28 2003-12-10 Dsm有限公司 制备蜜胺的方法
NL1006147C2 (nl) * 1997-05-28 1998-12-01 Dsm Nv Werkwijze voor het bereiden van melamine.
DE69837432T2 (de) * 1997-06-02 2007-12-13 Dsm Ip Assets B.V. Kristallines melamin
EP0986547A1 (en) * 1997-06-02 2000-03-22 Dsm N.V. Method for preparing melamine
NL1006192C2 (nl) * 1997-06-02 1998-12-03 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1006191C2 (nl) * 1997-06-02 1998-12-03 Dsm Nv Kristallijn melamine.
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.
RO120071B1 (ro) * 1998-12-23 2005-08-30 Agrolinz Melamin Gmbh Procedeu de purificare a melaminei
EP1198460B1 (de) * 1999-07-27 2005-03-23 AMI Agrolinz Melamine International GmbH Verfahren zur herstellung von festem melamin
RU2417992C2 (ru) * 2009-07-20 2011-05-10 Открытое акционерное общество "Научно-исследовательский и проектный институт карбамида и продуктов органического синтеза" (ОАО "НИИК") Способ получения меламина и способ удаления растворенных газов из водного раствора неочищенного меламина

Family Cites Families (4)

* 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
GB1003277A (en) * 1963-07-10 1965-09-02 Nissan Chemical Ind Ltd Process and apparatus for the production and separation of melamine
DE1695564A1 (de) * 1966-07-22 1971-05-06 Nissan Chemical Ind Ltd Verfahren zur Herstellung von Melamin hoher Reinheit
DE2522233A1 (de) * 1975-05-20 1976-12-02 Bollmann L Kg Maschine zum stapeln von flaechigen gegenstaenden, insbesondere brettern

Also Published As

Publication number Publication date
NZ298044A (en) 1999-07-29
ATA239394A (de) 1996-08-15
TW299324B (da) 1997-03-01
PL187434B1 (pl) 2004-07-30
DE59504292D1 (de) 1998-12-24
JPH10511369A (ja) 1998-11-04
ES2124034T3 (es) 1999-01-16
EP0799213B1 (de) 1998-11-18
HRP950605B1 (en) 1999-12-31
RO115521B1 (ro) 2000-03-30
KR100374731B1 (ko) 2003-06-09
CN1068315C (zh) 2001-07-11
AT402295B (de) 1997-03-25
RU2161610C2 (ru) 2001-01-10
CN1171103A (zh) 1998-01-21
IL116516A0 (en) 1996-03-31
WO1996020183A1 (de) 1996-07-04
EP0799213A1 (de) 1997-10-08
ATE173474T1 (de) 1998-12-15
IL116516A (en) 2000-07-16
PL320790A1 (en) 1997-10-27
HRP950605A2 (en) 1997-10-31
BR9510606A (pt) 1999-02-23

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