FI932462A - Foerfarande foer framstaellning av melamin fraon urea - Google Patents

Foerfarande foer framstaellning av melamin fraon urea Download PDF

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Publication number
FI932462A
FI932462A FI932462A FI932462A FI932462A FI 932462 A FI932462 A FI 932462A FI 932462 A FI932462 A FI 932462A FI 932462 A FI932462 A FI 932462A FI 932462 A FI932462 A FI 932462A
Authority
FI
Finland
Prior art keywords
urea
pct
fraon
melamin
foerfarande foer
Prior art date
Application number
FI932462A
Other languages
English (en)
Other versions
FI932462A0 (fi
Inventor
De Moesdijk Cornelis Gerar Van
Hendrik Jan Janssen
Josephus Cornelus Schroijen
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 FI932462A0 publication Critical patent/FI932462A0/fi
Publication of FI932462A publication Critical patent/FI932462A/fi

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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
    • 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
    • C07D251/56—Preparation of melamine
    • C07D251/60—Preparation 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)
  • Catalysts (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Treating Waste Gases (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
FI932462A 1990-11-29 1993-05-28 Foerfarande foer framstaellning av melamin fraon urea FI932462A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9002606A NL9002606A (nl) 1990-11-29 1990-11-29 Proces voor de bereiding van melamine uit ureum.

Publications (2)

Publication Number Publication Date
FI932462A0 FI932462A0 (fi) 1993-05-28
FI932462A true FI932462A (fi) 1993-05-28

Family

ID=19858050

Family Applications (1)

Application Number Title Priority Date Filing Date
FI932462A FI932462A (fi) 1990-11-29 1993-05-28 Foerfarande foer framstaellning av melamin fraon urea

Country Status (18)

Country Link
US (1) US5350849A (fi)
EP (1) EP0559817B1 (fi)
JP (1) JP3117710B2 (fi)
KR (1) KR100192076B1 (fi)
AT (1) ATE137750T1 (fi)
AU (1) AU647556B2 (fi)
BG (1) BG61945B1 (fi)
BR (1) BR9107127A (fi)
CA (1) CA2097177A1 (fi)
DE (1) DE69119433T2 (fi)
FI (1) FI932462A (fi)
HU (2) HUT64046A (fi)
NL (1) NL9002606A (fi)
NO (1) NO300419B1 (fi)
PL (1) PL168268B1 (fi)
RO (1) RO110489B1 (fi)
RU (1) RU2113435C1 (fi)
WO (1) WO1992009585A1 (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT404431B (de) * 1993-09-09 1998-11-25 Chemie Linz Gmbh Verfahren zur umweltgerechten entsorgung von triazinabfällen
IT1315255B1 (it) * 1999-11-16 2003-02-03 Eurotecnica Dev And Licensing Procedimento di purificazione della melammina.
DE10301703A1 (de) * 2003-01-17 2004-07-29 Basf Ag Zweistufiger Reaktor für die Melaminsynthese
EP1587797B1 (de) 2003-01-17 2010-08-11 Basf Se Zweistufiger reaktor für die melaminsynthese
US8415265B2 (en) * 2007-06-14 2013-04-09 Basf Se Method for producing melamine
CN115944942B (zh) * 2022-12-06 2024-04-12 四川金象赛瑞化工股份有限公司 一种氰胺类物质的制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3386999A (en) * 1966-02-10 1968-06-04 Chemical Construction Corp Synthesis of melamine
US3414571A (en) * 1966-09-16 1968-12-03 Melamine Res Corp Process for production of melamine from urea
DE3041324A1 (de) * 1980-11-03 1982-06-16 Basf Ag, 6700 Ludwigshafen Verfahren zum gleichzeitigen abbau von spurenbestandteilen in den reaktionsabgasen der melaminsynthese
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.

Also Published As

Publication number Publication date
EP0559817B1 (en) 1996-05-08
EP0559817A1 (en) 1993-09-15
FI932462A0 (fi) 1993-05-28
HU212639B (en) 1996-09-30
JPH06504040A (ja) 1994-05-12
KR100192076B1 (en) 1999-06-15
AU647556B2 (en) 1994-03-24
PL168268B1 (pl) 1996-01-31
NO931959D0 (no) 1993-05-28
NO931959L (no) 1993-05-28
BR9107127A (pt) 1993-11-09
JP3117710B2 (ja) 2000-12-18
CA2097177A1 (en) 1992-05-30
DE69119433D1 (de) 1996-06-13
RU2113435C1 (ru) 1998-06-20
US5350849A (en) 1994-09-27
HU9301591D0 (en) 1993-09-28
AU8944591A (en) 1992-06-25
NL9002606A (nl) 1992-06-16
HUT64046A (en) 1993-11-29
ATE137750T1 (de) 1996-05-15
NO300419B1 (no) 1997-05-26
RO110489B1 (ro) 1996-01-30
DE69119433T2 (de) 1997-01-23
BG61945B1 (bg) 1998-10-30
BG97782A (en) 1994-06-30
WO1992009585A1 (en) 1992-06-11

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