NL1003328C2 - Werkwijze voor het bereiden van melamine. - Google Patents

Werkwijze voor het bereiden van melamine. Download PDF

Info

Publication number
NL1003328C2
NL1003328C2 NL1003328A NL1003328A NL1003328C2 NL 1003328 C2 NL1003328 C2 NL 1003328C2 NL 1003328 A NL1003328 A NL 1003328A NL 1003328 A NL1003328 A NL 1003328A NL 1003328 C2 NL1003328 C2 NL 1003328C2
Authority
NL
Netherlands
Prior art keywords
melamine
reactor
ammonia
vessel
urea
Prior art date
Application number
NL1003328A
Other languages
English (en)
Dutch (nl)
Inventor
Julius Gerardus Theodoru Wijck
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
Priority to NL1003328A priority Critical patent/NL1003328C2/nl
Application filed by Dsm Nv filed Critical Dsm Nv
Priority to AU31085/97A priority patent/AU720041B2/en
Priority to JP10501483A priority patent/JP2000511926A/ja
Priority to PL330866A priority patent/PL190787B1/pl
Priority to AT97926281T priority patent/ATE234823T1/de
Priority to CA002258162A priority patent/CA2258162C/en
Priority to EP97926281A priority patent/EP0920420B1/en
Priority to CNB971970122A priority patent/CN1165530C/zh
Priority to PCT/NL1997/000333 priority patent/WO1997047609A1/en
Priority to DE69719996T priority patent/DE69719996T2/de
Priority to ES97926281T priority patent/ES2195143T3/es
Application granted granted Critical
Publication of NL1003328C2 publication Critical patent/NL1003328C2/nl
Priority to NO19985744A priority patent/NO311721B1/no
Priority to US09/210,645 priority patent/US6245909B1/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
    • C07D251/56—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)
  • Phenolic Resins Or Amino Resins (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
NL1003328A 1996-06-13 1996-06-13 Werkwijze voor het bereiden van melamine. NL1003328C2 (nl)

Priority Applications (13)

Application Number Priority Date Filing Date Title
NL1003328A NL1003328C2 (nl) 1996-06-13 1996-06-13 Werkwijze voor het bereiden van melamine.
PCT/NL1997/000333 WO1997047609A1 (en) 1996-06-13 1997-06-11 Method for the preparation of melamine
PL330866A PL190787B1 (pl) 1996-06-13 1997-06-11 Sposób wytwarzania bardzo czystej stałej melaminy
AT97926281T ATE234823T1 (de) 1996-06-13 1997-06-11 Verfahren zur herstellung von melamin
CA002258162A CA2258162C (en) 1996-06-13 1997-06-11 Method for the preparation of melamine
EP97926281A EP0920420B1 (en) 1996-06-13 1997-06-11 Method for the preparation of melamine
AU31085/97A AU720041B2 (en) 1996-06-13 1997-06-11 Method for the preparation of melamine
JP10501483A JP2000511926A (ja) 1996-06-13 1997-06-11 メラミンの調製法
DE69719996T DE69719996T2 (de) 1996-06-13 1997-06-11 Verfahren zur herstellung von melamin
ES97926281T ES2195143T3 (es) 1996-06-13 1997-06-11 Metodo para la preparacion de melamina.
CNB971970122A CN1165530C (zh) 1996-06-13 1997-06-11 蜜胺的制备方法
NO19985744A NO311721B1 (no) 1996-06-13 1998-12-08 Fremgangsmåte ved fremstilling av melamin
US09/210,645 US6245909B1 (en) 1996-06-13 1998-12-14 Method for the preparation of melamine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1003328A NL1003328C2 (nl) 1996-06-13 1996-06-13 Werkwijze voor het bereiden van melamine.
NL1003328 1996-06-13

Publications (1)

Publication Number Publication Date
NL1003328C2 true NL1003328C2 (nl) 1997-12-17

Family

ID=19763010

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1003328A NL1003328C2 (nl) 1996-06-13 1996-06-13 Werkwijze voor het bereiden van melamine.

Country Status (12)

Country Link
US (1) US6245909B1 (zh)
EP (1) EP0920420B1 (zh)
JP (1) JP2000511926A (zh)
CN (1) CN1165530C (zh)
AT (1) ATE234823T1 (zh)
AU (1) AU720041B2 (zh)
DE (1) DE69719996T2 (zh)
ES (1) ES2195143T3 (zh)
NL (1) NL1003328C2 (zh)
NO (1) NO311721B1 (zh)
PL (1) PL190787B1 (zh)
WO (1) WO1997047609A1 (zh)

Families Citing this family (14)

* 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
ES2197470T3 (es) 1997-05-21 2004-01-01 Dsm Ip Assets B.V. Metodo para preparar melamina.
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.
NL1008571C2 (nl) * 1998-03-12 1999-07-28 Dsm Nv Kristallijn melamine.
EP1035117A1 (en) * 1999-03-08 2000-09-13 Dsm N.V. Method for preparing melamine from urea
BR0009017A (pt) * 1999-03-15 2001-12-26 Agrolinz Melamin Gmbh Processo para preparar melamina sólida
EP1138676A1 (en) 2000-03-27 2001-10-04 Casale Chemicals SA Process for producing melamine at high pureness
DE10030453B4 (de) * 2000-06-21 2007-07-12 Faramarz Bairamijamal Verfahren zur Herstellung von hoch reinem Melamin nach trockener Aufbereitung
AT410793B (de) * 2000-12-27 2003-07-25 Agrolinz Melamin Gmbh Verfahren zur herstellung von melamin
BR0214165A (pt) * 2001-11-16 2004-09-28 Ami Agrolinz Melamine Int Gmbh Processo para purificar gases impróprios de uma fabrica melamina
ITMI20021026A1 (it) * 2002-05-14 2003-11-14 Eurotecnica Dev & Licensing S Processo di produzione di melammina da urea e particolarmente per ottenere off-gas privi di melammina nello stadio di prima separazione
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166294A (en) * 1961-05-01 1965-01-19 Ford Motor Co Butterfly valve
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
WO1996020183A1 (de) * 1994-12-23 1996-07-04 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
WO1996023778A1 (de) * 1995-02-03 1996-08-08 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
EP0747366A2 (en) * 1995-06-07 1996-12-11 Melamine Chemicals, Inc. Melamine of improved purity produced by high-pressure, non-catalytic process

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
US5514797A (en) * 1995-06-07 1996-05-07 Melamine Chemicals, Inc. Method for increasing purity of melamine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3166294A (en) * 1961-05-01 1965-01-19 Ford Motor Co Butterfly valve
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
WO1996020183A1 (de) * 1994-12-23 1996-07-04 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
WO1996023778A1 (de) * 1995-02-03 1996-08-08 Agrolinz Melamin Gmbh Verfahren zur reinigung von melamin
EP0747366A2 (en) * 1995-06-07 1996-12-11 Melamine Chemicals, Inc. Melamine of improved purity produced by high-pressure, non-catalytic process

Also Published As

Publication number Publication date
DE69719996T2 (de) 2004-01-08
NO985744D0 (no) 1998-12-08
AU720041B2 (en) 2000-05-25
JP2000511926A (ja) 2000-09-12
US6245909B1 (en) 2001-06-12
DE69719996D1 (de) 2003-04-24
EP0920420B1 (en) 2003-03-19
ATE234823T1 (de) 2003-04-15
AU3108597A (en) 1998-01-07
NO311721B1 (no) 2002-01-14
NO985744L (no) 1999-01-29
CN1227549A (zh) 1999-09-01
CN1165530C (zh) 2004-09-08
ES2195143T3 (es) 2003-12-01
PL330866A1 (en) 1999-06-07
EP0920420A1 (en) 1999-06-09
WO1997047609A1 (en) 1997-12-18
PL190787B1 (pl) 2006-01-31

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Legal Events

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AD1B A search report has been drawn up
PD2B A search report has been drawn up
VD1 Lapsed due to non-payment of the annual fee

Effective date: 20010101