NL1014280C2 - Werkwijze voor de bereiding van melamine uit ureum. - Google Patents

Werkwijze voor de bereiding van melamine uit ureum. Download PDF

Info

Publication number
NL1014280C2
NL1014280C2 NL1014280A NL1014280A NL1014280C2 NL 1014280 C2 NL1014280 C2 NL 1014280C2 NL 1014280 A NL1014280 A NL 1014280A NL 1014280 A NL1014280 A NL 1014280A NL 1014280 C2 NL1014280 C2 NL 1014280C2
Authority
NL
Netherlands
Prior art keywords
melamine
cooling
temperature
washing section
liquid
Prior art date
Application number
NL1014280A
Other languages
English (en)
Dutch (nl)
Inventor
Nora Anna De Wit
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 NL1014280A priority Critical patent/NL1014280C2/nl
Application filed by Dsm Nv filed Critical Dsm Nv
Priority to CA002398989A priority patent/CA2398989A1/en
Priority to MXPA02007550A priority patent/MXPA02007550A/es
Priority to CNB018044344A priority patent/CN1187344C/zh
Priority to JP2001556850A priority patent/JP2003521540A/ja
Priority to ES01906412T priority patent/ES2241790T3/es
Priority to AU3424001A priority patent/AU3424001A/xx
Priority to KR1020027009907A priority patent/KR100703548B1/ko
Priority to EA200200829A priority patent/EA005130B1/ru
Priority to AT01906412T priority patent/ATE296813T1/de
Priority to DE60111185T priority patent/DE60111185T2/de
Priority to EP01906412A priority patent/EP1252149B1/en
Priority to PL01356323A priority patent/PL356323A1/xx
Priority to PCT/NL2001/000047 priority patent/WO2001057000A1/en
Priority to AU2001234240A priority patent/AU2001234240B2/en
Priority to ROA200201069A priority patent/RO121776B1/ro
Priority to TW090101682A priority patent/TW555750B/zh
Application granted granted Critical
Publication of NL1014280C2 publication Critical patent/NL1014280C2/nl
Priority to NO20023621A priority patent/NO323864B1/no
Priority to US10/210,876 priority patent/US6617455B2/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)
  • Catalysts (AREA)
NL1014280A 2000-02-03 2000-02-03 Werkwijze voor de bereiding van melamine uit ureum. NL1014280C2 (nl)

Priority Applications (19)

Application Number Priority Date Filing Date Title
NL1014280A NL1014280C2 (nl) 2000-02-03 2000-02-03 Werkwijze voor de bereiding van melamine uit ureum.
DE60111185T DE60111185T2 (de) 2000-02-03 2001-01-24 Verfahren zur herstellung von melamin aus harnstoff
CNB018044344A CN1187344C (zh) 2000-02-03 2001-01-24 由尿素制备三聚氰胺的方法
JP2001556850A JP2003521540A (ja) 2000-02-03 2001-01-24 尿素からメラミンを製造する方法
ES01906412T ES2241790T3 (es) 2000-02-03 2001-01-24 Procedimiento para preparar melamina a partir de urea.
AU3424001A AU3424001A (en) 2000-02-03 2001-01-24 Process for preparing melamine from urea
KR1020027009907A KR100703548B1 (ko) 2000-02-03 2001-01-24 우레아로부터 멜라민의 제조방법
EA200200829A EA005130B1 (ru) 2000-02-03 2001-01-24 Способ получения меламина из мочевины
CA002398989A CA2398989A1 (en) 2000-02-03 2001-01-24 Process for preparing melamine from urea
MXPA02007550A MXPA02007550A (es) 2000-02-03 2001-01-24 Pocedimiento para preparar melamina a partir de urea.
EP01906412A EP1252149B1 (en) 2000-02-03 2001-01-24 Process for preparing melamine from urea
PL01356323A PL356323A1 (en) 2000-02-03 2001-01-24 Process for preparing melamine from urea
PCT/NL2001/000047 WO2001057000A1 (en) 2000-02-03 2001-01-24 Process for preparing melamine from urea
AU2001234240A AU2001234240B2 (en) 2000-02-03 2001-01-24 Process for preparing melamine from urea
ROA200201069A RO121776B1 (ro) 2000-02-03 2001-01-24 Procedeu de preparare a melaminei din uree
AT01906412T ATE296813T1 (de) 2000-02-03 2001-01-24 Verfahren zur herstellung von melamin aus harnstoff
TW090101682A TW555750B (en) 2000-02-03 2001-01-29 Process for preparing melamine from urea
NO20023621A NO323864B1 (no) 2000-02-03 2002-07-30 Fremgangsmate ved fremstilling av melamin fra urea
US10/210,876 US6617455B2 (en) 2000-02-03 2002-08-02 Process for preparing melamine from urea

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1014280A NL1014280C2 (nl) 2000-02-03 2000-02-03 Werkwijze voor de bereiding van melamine uit ureum.
NL1014280 2000-02-03

Publications (1)

Publication Number Publication Date
NL1014280C2 true NL1014280C2 (nl) 2001-08-06

Family

ID=19770741

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1014280A NL1014280C2 (nl) 2000-02-03 2000-02-03 Werkwijze voor de bereiding van melamine uit ureum.

Country Status (18)

Country Link
US (1) US6617455B2 (es)
EP (1) EP1252149B1 (es)
JP (1) JP2003521540A (es)
KR (1) KR100703548B1 (es)
CN (1) CN1187344C (es)
AT (1) ATE296813T1 (es)
AU (2) AU2001234240B2 (es)
CA (1) CA2398989A1 (es)
DE (1) DE60111185T2 (es)
EA (1) EA005130B1 (es)
ES (1) ES2241790T3 (es)
MX (1) MXPA02007550A (es)
NL (1) NL1014280C2 (es)
NO (1) NO323864B1 (es)
PL (1) PL356323A1 (es)
RO (1) RO121776B1 (es)
TW (1) TW555750B (es)
WO (1) WO2001057000A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2386536A1 (en) * 2010-05-11 2011-11-16 Lonza Ltd. A process for the hydrogenation of ketoesters

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0114442A1 (en) * 1982-12-24 1984-08-01 Stamicarbon B.V. Process for determining and controlling the composition of aqueous solutions of NH3 and CO2
WO1996020933A1 (en) * 1993-11-05 1996-07-11 Jing Ming Lee Process for manufacturing melamine from urea

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW385307B (en) * 1996-08-30 2000-03-21 Dsm Nv Process for the preparation of urea
JP3987607B2 (ja) * 1996-10-07 2007-10-10 東洋エンジニアリング株式会社 改良された尿素合成方法および装置
NL1005118C2 (nl) * 1997-01-29 1998-07-30 Dsm Nv Werkwijze voor de bereiding van ureum.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0114442A1 (en) * 1982-12-24 1984-08-01 Stamicarbon B.V. Process for determining and controlling the composition of aqueous solutions of NH3 and CO2
WO1996020933A1 (en) * 1993-11-05 1996-07-11 Jing Ming Lee Process for manufacturing melamine from urea

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"NITROGEN,LONDON,GB", NITROGEN,LONDON,GB, vol. 139, September 1982 (1982-09-01), pages 32 - 39, XP002085085, ISSN: 0029-0777 *

Also Published As

Publication number Publication date
KR100703548B1 (ko) 2007-04-03
CN1187344C (zh) 2005-02-02
AU2001234240B2 (en) 2005-04-21
NO323864B1 (no) 2007-07-16
WO2001057000A1 (en) 2001-08-09
KR20020073572A (ko) 2002-09-27
PL356323A1 (en) 2004-06-28
MXPA02007550A (es) 2002-12-13
TW555750B (en) 2003-10-01
EA005130B1 (ru) 2004-12-30
NO20023621D0 (no) 2002-07-30
US20030040624A1 (en) 2003-02-27
AU3424001A (en) 2001-08-14
CA2398989A1 (en) 2001-08-09
EP1252149B1 (en) 2005-06-01
NO20023621L (no) 2002-07-30
CN1396914A (zh) 2003-02-12
DE60111185T2 (de) 2006-03-23
RO121776B1 (ro) 2008-04-30
EA200200829A1 (ru) 2003-02-27
ATE296813T1 (de) 2005-06-15
ES2241790T3 (es) 2005-11-01
EP1252149A1 (en) 2002-10-30
DE60111185D1 (de) 2005-07-07
JP2003521540A (ja) 2003-07-15
US6617455B2 (en) 2003-09-09

Similar Documents

Publication Publication Date Title
NL1005118C2 (nl) Werkwijze voor de bereiding van ureum.
EA200400015A1 (ru) Улучшенный способ получения меламина высокой чистоты с высоким выходом
NL1014756C2 (nl) Reactor en werkwijze voor de bereiding van ureum.
NL1014280C2 (nl) Werkwijze voor de bereiding van melamine uit ureum.
CA2779841C (en) A urea stripping process for the production of urea
NL1014281C2 (nl) Werkwijze voor de bereiding van melamine uit ureum.
NL1009516C2 (nl) Werkwijze voor de bereiding van ureum.
US5801266A (en) Method for producing acrylonitrile
US6858730B2 (en) Process for the production of high purity melamine from urea
JPH0557984B2 (es)
NL1015929C2 (nl) Werkwijze voor de bereiding van melamine uit ureum.
NL1016797C2 (nl) Werkwijze voor de bereiding van ureum.
AU2001234239A1 (en) Process for preparing melamine from urea
NL8900152A (nl) Werkwijze voor de bereiding van ureum.
US20240327358A1 (en) Coupled urea melamine plant
NL1013217C2 (nl) Werkwijze voor de bereiding van melamine.
NL1004475C2 (nl) Werkwijze voor de bereiding van ureum.
NO316222B1 (no) Fremgangsmåte for å fremstille melamin
AU2001234240A1 (en) Process for preparing melamine from urea
NL1019080C2 (nl) Werkwijze voor de bereiding van ureum.

Legal Events

Date Code Title Description
PD2B A search report has been drawn up
SD Assignments of patents

Owner name: DSM IP ASSETS B.V.

Effective date: 20050915

TD Modifications of names of proprietors of patents

Owner name: KONINKLIJKE DSM N.V.

Effective date: 20050915

VD1 Lapsed due to non-payment of the annual fee

Effective date: 20070901