NZ298425A - Purifying melamine - Google Patents

Purifying melamine

Info

Publication number
NZ298425A
NZ298425A NZ298425A NZ29842596A NZ298425A NZ 298425 A NZ298425 A NZ 298425A NZ 298425 A NZ298425 A NZ 298425A NZ 29842596 A NZ29842596 A NZ 29842596A NZ 298425 A NZ298425 A NZ 298425A
Authority
NZ
New Zealand
Prior art keywords
melamine
ppm ppm
pressure
bar
depressurized
Prior art date
Application number
NZ298425A
Other languages
English (en)
Inventor
Martin Mullner
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 NZ298425A publication Critical patent/NZ298425A/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)
NZ298425A 1995-02-03 1996-01-08 Purifying melamine NZ298425A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0018695A AT402296B (de) 1995-02-03 1995-02-03 Verfahren zur reinigung von melamin
PCT/EP1996/000045 WO1996023778A1 (de) 1995-02-03 1996-01-08 Verfahren zur reinigung von melamin

Publications (1)

Publication Number Publication Date
NZ298425A true NZ298425A (en) 1999-04-29

Family

ID=3483772

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ298425A NZ298425A (en) 1995-02-03 1996-01-08 Purifying melamine

Country Status (12)

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

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT403579B (de) * 1995-12-07 1998-03-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
NL1003105C2 (nl) * 1996-05-14 1997-11-18 Dsm Nv Werkwijze voor de bereiding van 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.
ES2197470T3 (es) 1997-05-21 2004-01-01 Dsm Ip Assets B.V. Metodo para preparar melamina.
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.
KR100495264B1 (ko) 1997-05-28 2005-06-14 코닌클리즈케 디에스엠 엔.브이. 멜라민의 제조방법
WO1998055466A1 (en) * 1997-06-02 1998-12-10 Dsm N.V. Method for preparing melamine
NL1006192C2 (nl) * 1997-06-02 1998-12-03 Dsm Nv Werkwijze voor het bereiden van melamine.
DE69837432T2 (de) 1997-06-02 2007-12-13 Dsm Ip Assets B.V. Kristallines melamin
NL1008571C2 (nl) * 1998-03-12 1999-07-28 Dsm Nv Kristallijn melamine.
TR200101341T2 (tr) 1998-11-13 2001-11-21 Agrolinz Melamin Gmbh Saf melamin üretimine yönelik yöntem
KR100575020B1 (ko) * 1998-12-23 2006-05-02 아엠이-아그로린츠 멜라민 인터내셔날 게엠베하 멜라민의 정제방법
NL1013217C2 (nl) * 1999-10-05 2001-04-06 Dsm Nv Werkwijze voor de bereiding van melamine.
NL1013456C2 (nl) 1999-11-02 2001-05-03 Dsm Nv Kristallijn melamine en de toepassing in aminoformaldehydeharsen.
IT1315255B1 (it) * 1999-11-16 2003-02-03 Eurotecnica Dev And Licensing Procedimento di purificazione della melammina.
US20030028020A1 (en) * 2001-07-27 2003-02-06 Gupta Ram B. Process for the synthesis of high purity melamine
CN1315812C (zh) 2001-11-16 2007-05-16 Ami－阿格罗林茨三聚氰胺有限公司 制备不含蜜勒胺的三聚氰胺的方法及骤冷器
DE102004018784A1 (de) 2004-04-14 2005-11-03 Ami-Agrolinz Melamine International Gmbh Verfahren zur Herstellung von reinem Melamin

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 (de) * 1961-07-13 1966-06-02 Allied Chem Verfahren zur Gewinnung von reinem Melamin
DE1695564A1 (de) * 1966-07-22 1971-05-06 Nissan Chemical Ind Ltd Verfahren zur Herstellung von Melamin hoher Reinheit
US3637686A (en) * 1969-02-10 1972-01-25 Nissan Chemical Ind Ltd Process for recovering purified melamine
DE2522233A1 (de) * 1975-05-20 1976-12-02 Bollmann L Kg Maschine zum stapeln von flaechigen gegenstaenden, insbesondere brettern
IT1270577B (it) * 1993-02-22 1997-05-06 Wladimiro Bizzotto Reattore melamina ad alta pressione
FI96028C (fi) * 1993-07-01 1996-04-25 Kemira Oy Menetelmä melamiinin valmistamiseksi

Also Published As

Publication number Publication date
ATA18695A (de) 1996-08-15
AT402296B (de) 1997-03-25
CN1172480A (zh) 1998-02-04
EP0807107A1 (de) 1997-11-19
KR19980701828A (ko) 1998-06-25
WO1996023778A1 (de) 1996-08-08
PL321596A1 (en) 1997-12-08
IL117016A0 (en) 1996-06-18
HRP960044A2 (en) 1997-12-31
JPH11506415A (ja) 1999-06-08
BR9607332A (pt) 1997-11-25
TW305838B (xx) 1997-05-21

Similar Documents

Publication Publication Date Title
NZ298425A (en) Purifying melamine
US5721363A (en) Process for the production of highly pure melamine
KR100462920B1 (ko) 순수한멜라민의제조방법
EP0808836B1 (en) Method for the preparation of melamine
KR100374731B1 (ko) 멜라민 정제법
US6858730B2 (en) Process for the production of high purity melamine from urea
AU2003256150B2 (en) Process for the preparation of melamine
US6380385B1 (en) Process for the preparation of pure melamine
AU780442B2 (en) Process for the preparation of melamine
US20030028020A1 (en) Process for the synthesis of high purity melamine
US6410727B1 (en) Method for purifying melamine
US5578723A (en) Process for preparing cyanuric acid by seperation from an isocyanic acid/ammonia gas mixture
MXPA97004638A (en) Procedure for the production of high pur melamine