NL1003105C2 - Werkwijze voor de bereiding van melamine. - Google Patents

Werkwijze voor de bereiding van melamine. Download PDF

Info

Publication number
NL1003105C2
NL1003105C2 NL1003105A NL1003105A NL1003105C2 NL 1003105 C2 NL1003105 C2 NL 1003105C2 NL 1003105 A NL1003105 A NL 1003105A NL 1003105 A NL1003105 A NL 1003105A NL 1003105 C2 NL1003105 C2 NL 1003105C2
Authority
NL
Netherlands
Prior art keywords
melamine
reactor
liquid
urea
medium
Prior art date
Application number
NL1003105A
Other languages
English (en)
Dutch (nl)
Inventor
Andreas Johannes Biermans
Rudolf Van Hardeveld
Julius Gerardus Theodoru Wijck
Andre Banier De Haan
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
Priority to NL1003105A priority Critical patent/NL1003105C2/nl
Priority to EP97201380A priority patent/EP0808836B1/de
Priority to DE69719850T priority patent/DE69719850T2/de
Priority to AT97201380T priority patent/ATE234822T1/de
Priority to ES97201380T priority patent/ES2195078T3/es
Priority to IDP971561A priority patent/ID16895A/id
Priority to CN97111425A priority patent/CN1065239C/zh
Priority to CNB001049747A priority patent/CN1142921C/zh
Priority to JP9123616A priority patent/JPH1045730A/ja
Application granted granted Critical
Publication of NL1003105C2 publication Critical patent/NL1003105C2/nl

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
    • C07D251/56—Preparation of melamine
    • C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia
    • 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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
NL1003105A 1996-05-14 1996-05-14 Werkwijze voor de bereiding van melamine. NL1003105C2 (nl)

Priority Applications (9)

Application Number Priority Date Filing Date Title
NL1003105A NL1003105C2 (nl) 1996-05-14 1996-05-14 Werkwijze voor de bereiding van melamine.
EP97201380A EP0808836B1 (de) 1996-05-14 1997-05-07 Verfahren zur Herstellung von Melamin
DE69719850T DE69719850T2 (de) 1996-05-14 1997-05-07 Verfahren zur Herstellung von Melamin
AT97201380T ATE234822T1 (de) 1996-05-14 1997-05-07 Verfahren zur herstellung von melamin
ES97201380T ES2195078T3 (es) 1996-05-14 1997-05-07 Metodo para la preparacion de melamina.
IDP971561A ID16895A (id) 1996-05-14 1997-05-12 Metode pembuatan melamin
CN97111425A CN1065239C (zh) 1996-05-14 1997-05-13 蜜胺的制备方法
CNB001049747A CN1142921C (zh) 1996-05-14 1997-05-13 蜜胺的制备方法
JP9123616A JPH1045730A (ja) 1996-05-14 1997-05-14 尿素反応生成物からメラミンを回収する方法及びメラミン溶融液から固体メラミンを回収する方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1003105A NL1003105C2 (nl) 1996-05-14 1996-05-14 Werkwijze voor de bereiding van melamine.
NL1003105 1996-05-14

Publications (1)

Publication Number Publication Date
NL1003105C2 true NL1003105C2 (nl) 1997-11-18

Family

ID=19762851

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1003105A NL1003105C2 (nl) 1996-05-14 1996-05-14 Werkwijze voor de bereiding van melamine.

Country Status (8)

Country Link
EP (1) EP0808836B1 (de)
JP (1) JPH1045730A (de)
CN (2) CN1065239C (de)
AT (1) ATE234822T1 (de)
DE (1) DE69719850T2 (de)
ES (1) ES2195078T3 (de)
ID (1) ID16895A (de)
NL (1) NL1003105C2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114452897A (zh) * 2022-01-06 2022-05-10 四川金象赛瑞化工股份有限公司 一种尿素加料装置、加料方法及三聚氰胺生产装置和方法

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6380385B1 (en) 1995-12-07 2002-04-30 Agrolinz Melanin Gmbh Process for the preparation of pure melamine
NL1006095C2 (nl) * 1997-05-21 1998-11-25 Dsm Nv Werkwijze voor het bereiden van melamine.
EP0983250B1 (de) 1997-05-21 2003-04-16 Dsm N.V. Verfahren zur herstellung von melamin
CA2291736A1 (en) * 1997-05-28 1998-12-03 Dsm N.V. Method for preparing melamine
NL1006147C2 (nl) * 1997-05-28 1998-12-01 Dsm Nv Werkwijze voor het bereiden van melamine.
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.
PL190496B1 (pl) * 1997-06-02 2005-12-30 Dsm Nv Multikrystaliczny melaminowy proszek
NL1006191C2 (nl) * 1997-06-02 1998-12-03 Dsm Nv Kristallijn melamine.
JPH11209353A (ja) * 1998-01-23 1999-08-03 Nissan Chem Ind Ltd メラミン工程廃液からのメラミン、アンメリン及びアンメリドの回収方法
NL1008571C2 (nl) * 1998-03-12 1999-07-28 Dsm Nv Kristallijn melamine.
EP1035117A1 (de) * 1999-03-08 2000-09-13 Dsm N.V. Verfahren zur Herstellung von Melamin aus Harnstoff
CA2361941A1 (en) * 1999-03-15 2000-09-21 Agrolinz Melamin Gmbh Method for producing solid melamine
EP1054006A1 (de) * 1999-05-20 2000-11-22 Dsm N.V. Verfahren zur Herstellung von Melamin
NL1013217C2 (nl) * 1999-10-05 2001-04-06 Dsm Nv Werkwijze voor de bereiding van melamine.
AT409489B (de) 2000-10-20 2002-08-26 Agrolinz Melamin Gmbh Verfahren zur herstellung von melamin
NL1018283C2 (nl) 2001-06-13 2002-12-19 Dsm Nv Werkwijze voor het in contact brengen van gesmolten ureum met een gasstroom.
DE10326827A1 (de) 2003-06-12 2004-12-30 Ami-Agrolinz Melamine International Gmbh Verfahren und Vorrichtung zur Herstellung von Melamin im einphasigen Rohrreaktor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8403843A (nl) * 1984-01-05 1985-08-01 Melamine Chemicals Inc Proces voor het bereiden van melamine.
WO1996020182A1 (de) * 1994-12-23 1996-07-04 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
WO1996023778A1 (de) * 1995-02-03 1996-08-08 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
EP0747366A2 (de) * 1995-06-07 1996-12-11 Melamine Chemicals, Inc. Durch nichtkatalytisches, unter Hochdruck arbeitendes Verfahren hergestelltes Melamin von verbesserter Reinheit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4565867A (en) * 1984-01-05 1986-01-21 Melamine Chemicals, Inc. Anhydrous high-pressure melamine synthesis
IT1261841B (it) * 1993-08-23 1996-06-03 Conser Spa Procedimento per la produzione di melammina ad alta purezza.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8403843A (nl) * 1984-01-05 1985-08-01 Melamine Chemicals Inc Proces voor het bereiden van melamine.
WO1996020182A1 (de) * 1994-12-23 1996-07-04 Agrolinz Melamin Gmbh Verfahren zur herstellung von hochreinem melamin
WO1996023778A1 (de) * 1995-02-03 1996-08-08 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
EP0747366A2 (de) * 1995-06-07 1996-12-11 Melamine Chemicals, Inc. Durch nichtkatalytisches, unter Hochdruck arbeitendes Verfahren hergestelltes Melamin von verbesserter Reinheit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114452897A (zh) * 2022-01-06 2022-05-10 四川金象赛瑞化工股份有限公司 一种尿素加料装置、加料方法及三聚氰胺生产装置和方法

Also Published As

Publication number Publication date
CN1170720A (zh) 1998-01-21
JPH1045730A (ja) 1998-02-17
DE69719850T2 (de) 2003-12-24
ES2195078T3 (es) 2003-12-01
EP0808836B1 (de) 2003-03-19
CN1065239C (zh) 2001-05-02
DE69719850D1 (de) 2003-04-24
ID16895A (id) 1997-11-20
CN1142921C (zh) 2004-03-24
ATE234822T1 (de) 2003-04-15
CN1273243A (zh) 2000-11-15
EP0808836A1 (de) 1997-11-26

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Effective date: 20041201