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)
  • Color Printing (AREA)
  • Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (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.
CA2290478C (en) 1997-05-21 2008-07-29 Dsm N.V. Method for preparing melamine
NL1006095C2 (nl) * 1997-05-21 1998-11-25 Dsm Nv Werkwijze voor het bereiden van melamine.
NL1006147C2 (nl) * 1997-05-28 1998-12-01 Dsm Nv Werkwijze voor het bereiden van melamine.
CA2291736A1 (en) 1997-05-28 1998-12-03 Dsm N.V. Method for preparing melamine
AU728823B2 (en) * 1997-06-02 2001-01-18 Dsm N.V. Method for preparing melamine
NL1006191C2 (nl) * 1997-06-02 1998-12-03 Dsm Nv Kristallijn melamine.
AU731077B2 (en) * 1997-06-02 2001-03-22 Dsm Ip Assets B.V. Crystalline melamine
NL1006192C2 (nl) * 1997-06-02 1998-12-03 Dsm Nv Werkwijze voor het bereiden van 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.
WO2000039107A1 (de) * 1998-12-23 2000-07-06 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
WO2001007420A2 (de) * 1999-07-27 2001-02-01 Agrolinz Melamin 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 (3)

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

Similar Documents

Publication Publication Date Title
DK0799213T3 (da) Fremgangsmåde til oprensning af melamin
RU97112395A (ru) Способ очистки меламина
KR970001336A (ko) 고압, 비촉매성 방법에 의해 생성된 개선된 순도의 멜라민
MX9804435A (es) Proceso para la preparacion de melamina pura.
MY133714A (en) Isoxazolyl-and isoxazolinyl-substituted benzoylcyclohexanediones, process for their preparation and their use as herbicidies and plant growth regulators
DE69413910D1 (de) Niedrigtemperaturverfahren zur Herstellung von kristallinen Silizium-Karbid Beschichtungen
DK0417829T4 (da) Fremgangsmåde til rensning af effluenten fra urinstofproduktionsanlæg
MY112732A (en) Production of anionic surfactant granules by in situ neutralisation
PL330815A1 (en) Derivatives of 1,2,4-benzothiadiasine, their production and application
AU5071300A (en) Hot gas filtration system
DK547282A (da) Fremgangsmaade til luftseparation i forbindelse med deoverhedning af turbineudstroemning
NO20012492D0 (no) Fremgangsmåte for fremstilling av N-alkyl-N'-nitroguanidin
EE200100334A (et) Melamiini puhastamismeetod
BG97782A (en) Process for melamine production from urea
JPS5419966A (en) Production of pyroglutamine peptide
DK0924206T3 (da) Fremgangsmåde til fremstilling af (R)-3-hydroxy-4-butyrolacton anvendeligt til fremstilling af (R)-carnitin
TH23420A (th) กระบวนการสำหรับทำให้เมลามีนบริสุทธิ์
GB9319033D0 (en) Improvements in or relating to sulphur production from sulphur-braring gas streams
DK0406621T3 (da) Fremgangsmåde til fremstilling af kondensmælk
TW372966B (en) Method for preparation of melamine
RU96112134A (ru) Способ повышения чистоты меламина
Asaf'eva Development of Industrial Technology of Rings Fabrication From 5 V Alloy
ES8402880A1 (es) Procedimiento de tratamiento termico de articulos metalicos recuperables por calor.
RU97114941A (ru) Способ очистки меламина
UA11293C2 (uk) Спосіб сиhтезу алмазів