PL321596A1 - Melamine purification process - Google Patents

Melamine purification process

Info

Publication number
PL321596A1
PL321596A1 PL96321596A PL32159696A PL321596A1 PL 321596 A1 PL321596 A1 PL 321596A1 PL 96321596 A PL96321596 A PL 96321596A PL 32159696 A PL32159696 A PL 32159696A PL 321596 A1 PL321596 A1 PL 321596A1
Authority
PL
Poland
Prior art keywords
purification process
melamine purification
melamine
purification
Prior art date
Application number
PL96321596A
Inventor
Martin Muellner
Helmut Fingrhut
Lorenzo Canzi
Gerhard Coufal
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
Publication of PL321596A1 publication Critical patent/PL321596A1/en

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
    • 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)
  • Paper (AREA)
PL96321596A 1995-02-03 1996-01-08 Melamine purification process PL321596A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0018695A AT402296B (en) 1995-02-03 1995-02-03 METHOD FOR PURIFYING MELAMINE

Publications (1)

Publication Number Publication Date
PL321596A1 true PL321596A1 (en) 1997-12-08

Family

ID=3483772

Family Applications (1)

Application Number Title Priority Date Filing Date
PL96321596A PL321596A1 (en) 1995-02-03 1996-01-08 Melamine purification process

Country Status (12)

Country Link
EP (1) EP0807107A1 (en)
JP (1) JPH11506415A (en)
KR (1) KR19980701828A (en)
CN (1) CN1172480A (en)
AT (1) AT402296B (en)
BR (1) BR9607332A (en)
HR (1) HRP960044A2 (en)
IL (1) IL117016A0 (en)
NZ (1) NZ298425A (en)
PL (1) PL321596A1 (en)
TW (1) TW305838B (en)
WO (1) WO1996023778A1 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT403579B (en) * 1995-12-07 1998-03-25 Agrolinz Melamin Gmbh METHOD FOR PRODUCING HIGH PURITY MELAMINE
NL1003105C2 (en) * 1996-05-14 1997-11-18 Dsm Nv Process for the preparation of melamine.
NL1003328C2 (en) * 1996-06-13 1997-12-17 Dsm Nv Process for preparing melamine.
NL1003709C2 (en) * 1996-07-30 1998-02-05 Dsm Nv Process for preparing melamine.
NL1006095C2 (en) * 1997-05-21 1998-11-25 Dsm Nv Preparation of melamine from urea via a high pressure process
DE69813545T2 (en) 1997-05-21 2004-04-08 Dsm N.V. METHOD FOR PRODUCING MELAMINE
NL1006147C2 (en) * 1997-05-28 1998-12-01 Dsm Nv Pure melamine is formed from urea by spray cooling the melamine melt
CN1130353C (en) * 1997-05-28 2003-12-10 Dsm有限公司 Method for preparing melamine
NL1006192C2 (en) 1997-06-02 1998-12-03 Dsm Nv Melamine is prepared from urea in a high pressure process
ES2283056T3 (en) 1997-06-02 2007-10-16 Dsm Ip Assets B.V. CRYSTAL MELAMINE.
EP0986547A1 (en) * 1997-06-02 2000-03-22 Dsm N.V. Method for preparing melamine
NL1008571C2 (en) * 1998-03-12 1999-07-28 Dsm Nv Crystalline melamine.
ES2209560T3 (en) 1998-11-13 2004-06-16 Ami Agrolinz Melamine International Gmbh PROCEDURE FOR OBTAINING PURE MELAMINE.
RO120071B1 (en) 1998-12-23 2005-08-30 Agrolinz Melamin Gmbh Process for purifying melamine
NL1013217C2 (en) * 1999-10-05 2001-04-06 Dsm Nv Process for the preparation of melamine.
NL1013456C2 (en) 1999-11-02 2001-05-03 Dsm Nv Crystalline melamine and its application in amino-formaldehyde resins.
IT1315255B1 (en) * 1999-11-16 2003-02-03 Eurotecnica Dev And Licensing MELAMINE PURIFICATION PROCESS.
US20030028020A1 (en) * 2001-07-27 2003-02-06 Gupta Ram B. Process for the synthesis of high purity melamine
US7176309B2 (en) 2001-11-16 2007-02-13 Ami - Agrolinz Melamine International Gmbh Method for producing melem-free melamine and quenching agents
DE102004018784A1 (en) * 2004-04-14 2005-11-03 Ami-Agrolinz Melamine International Gmbh Process for the preparation of pure melamine

Family Cites Families (8)

* 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
DE1217964B (en) * 1961-07-13 1966-06-02 Allied Chem Process for the production of pure melamine
DE1695564A1 (en) * 1966-07-22 1971-05-06 Nissan Chemical Ind Ltd Process for the production of melamine of high purity
US3637686A (en) * 1969-02-10 1972-01-25 Nissan Chemical Ind Ltd Process for recovering purified melamine
DE2522233A1 (en) * 1975-05-20 1976-12-02 Bollmann L Kg Timber board stacking machine - is fitted with conveyor and supply fork equipped with timing and release controls
IT1270577B (en) * 1993-02-22 1997-05-06 Wladimiro Bizzotto HIGH PRESSURE MELAMINE REACTOR
FI96028C (en) * 1993-07-01 1996-04-25 Kemira Oy Process for making melamine

Also Published As

Publication number Publication date
HRP960044A2 (en) 1997-12-31
IL117016A0 (en) 1996-06-18
NZ298425A (en) 1999-04-29
JPH11506415A (en) 1999-06-08
TW305838B (en) 1997-05-21
AT402296B (en) 1997-03-25
ATA18695A (en) 1996-08-15
CN1172480A (en) 1998-02-04
BR9607332A (en) 1997-11-25
KR19980701828A (en) 1998-06-25
WO1996023778A1 (en) 1996-08-08
EP0807107A1 (en) 1997-11-19

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