NL1014281C2 - Werkwijze voor de bereiding van melamine uit ureum. - Google Patents

Werkwijze voor de bereiding van melamine uit ureum. Download PDF

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Publication number
NL1014281C2
NL1014281C2 NL1014281A NL1014281A NL1014281C2 NL 1014281 C2 NL1014281 C2 NL 1014281C2 NL 1014281 A NL1014281 A NL 1014281A NL 1014281 A NL1014281 A NL 1014281A NL 1014281 C2 NL1014281 C2 NL 1014281C2
Authority
NL
Netherlands
Prior art keywords
melamine
absorption zone
zone
reactor
cooling
Prior art date
Application number
NL1014281A
Other languages
English (en)
Dutch (nl)
Inventor
Nora Anna De Wit
Rob Kasimier Gulpers
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 NL1014281A priority Critical patent/NL1014281C2/nl
Application filed by Dsm Nv filed Critical Dsm Nv
Priority to EA200200828A priority patent/EA005129B1/ru
Priority to PL356322A priority patent/PL207030B1/pl
Priority to CA002398986A priority patent/CA2398986A1/en
Priority to EP01906411A priority patent/EP1252148B1/en
Priority to AU3423901A priority patent/AU3423901A/xx
Priority to KR1020027009906A priority patent/KR100703547B1/ko
Priority to DE60111824T priority patent/DE60111824T2/de
Priority to MXPA02007551A priority patent/MXPA02007551A/es
Priority to ES01906411T priority patent/ES2245350T3/es
Priority to ROA200201070A priority patent/RO120910B1/ro
Priority to CNB018044336A priority patent/CN1262546C/zh
Priority to AU2001234239A priority patent/AU2001234239B2/en
Priority to JP2001556849A priority patent/JP2003521539A/ja
Priority to AT01906411T priority patent/ATE299137T1/de
Priority to PCT/NL2001/000046 priority patent/WO2001056999A1/en
Priority to TW090101686A priority patent/TW526196B/zh
Application granted granted Critical
Publication of NL1014281C2 publication Critical patent/NL1014281C2/nl
Priority to NO20023620A priority patent/NO323867B1/no
Priority to US10/210,877 priority patent/US6835834B2/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)
NL1014281A 2000-02-03 2000-02-03 Werkwijze voor de bereiding van melamine uit ureum. NL1014281C2 (nl)

Priority Applications (19)

Application Number Priority Date Filing Date Title
NL1014281A NL1014281C2 (nl) 2000-02-03 2000-02-03 Werkwijze voor de bereiding van melamine uit ureum.
ROA200201070A RO120910B1 (ro) 2000-02-03 2001-01-23 Procedeu de preparare a melaminei din uree
CA002398986A CA2398986A1 (en) 2000-02-03 2001-01-23 Process for preparing melamine from urea
EP01906411A EP1252148B1 (en) 2000-02-03 2001-01-23 Process for preparing melamine from urea
AU3423901A AU3423901A (en) 2000-02-03 2001-01-23 Process for preparing melamine from urea
KR1020027009906A KR100703547B1 (ko) 2000-02-03 2001-01-23 우레아로부터 멜라민의 제조방법
DE60111824T DE60111824T2 (de) 2000-02-03 2001-01-23 Verfahren zur herstellung von melamin aus harnstoff
MXPA02007551A MXPA02007551A (es) 2000-02-03 2001-01-23 Procedimiento para preparar melamina a partir de urea.
EA200200828A EA005129B1 (ru) 2000-02-03 2001-01-23 Способ получения меламина из мочевины
PL356322A PL207030B1 (pl) 2000-02-03 2001-01-23 Sposób wytwarzania melaminy z mocznika oraz sposób modyfikacji istniejących instalacji do wytwarzania melaminy
CNB018044336A CN1262546C (zh) 2000-02-03 2001-01-23 由尿素制备三聚氰胺的方法
AU2001234239A AU2001234239B2 (en) 2000-02-03 2001-01-23 Process for preparing melamine from urea
JP2001556849A JP2003521539A (ja) 2000-02-03 2001-01-23 尿素からメラミンを製造する方法
AT01906411T ATE299137T1 (de) 2000-02-03 2001-01-23 Verfahren zur herstellung von melamin aus harnstoff
PCT/NL2001/000046 WO2001056999A1 (en) 2000-02-03 2001-01-23 Process for preparing melamine from urea
ES01906411T ES2245350T3 (es) 2000-02-03 2001-01-23 Proceso para preparar melamina a partir de urea.
TW090101686A TW526196B (en) 2000-02-03 2001-01-29 Process for preparing melamine from urea
NO20023620A NO323867B1 (no) 2000-02-03 2002-07-30 Fremgangsmate ved fremstilling av melamin fra urea
US10/210,877 US6835834B2 (en) 2000-02-03 2002-08-02 Process for preparing melamine from urea

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1014281A NL1014281C2 (nl) 2000-02-03 2000-02-03 Werkwijze voor de bereiding van melamine uit ureum.
NL1014281 2000-02-03

Publications (1)

Publication Number Publication Date
NL1014281C2 true NL1014281C2 (nl) 2001-08-06

Family

ID=19770742

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1014281A NL1014281C2 (nl) 2000-02-03 2000-02-03 Werkwijze voor de bereiding van melamine uit ureum.

Country Status (18)

Country Link
US (1) US6835834B2 (es)
EP (1) EP1252148B1 (es)
JP (1) JP2003521539A (es)
KR (1) KR100703547B1 (es)
CN (1) CN1262546C (es)
AT (1) ATE299137T1 (es)
AU (2) AU3423901A (es)
CA (1) CA2398986A1 (es)
DE (1) DE60111824T2 (es)
EA (1) EA005129B1 (es)
ES (1) ES2245350T3 (es)
MX (1) MXPA02007551A (es)
NL (1) NL1014281C2 (es)
NO (1) NO323867B1 (es)
PL (1) PL207030B1 (es)
RO (1) RO120910B1 (es)
TW (1) TW526196B (es)
WO (1) WO2001056999A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1019913C2 (nl) * 2002-02-07 2003-08-08 Dsm Nv Werkwijze voor het bereiden van melamine.
EP1688411A1 (en) * 2005-02-04 2006-08-09 DSM IP Assets B.V. Process for the preparation of melamine
EA201070769A1 (ru) * 2007-12-20 2010-12-30 ДСМ Ай Пи ЭССЕТС Б.В. Способ получения меламина
WO2009132750A1 (en) * 2008-04-29 2009-11-05 Dsm Ip Assets B.V. Process for recovering solid melamine
EP3208264A1 (en) * 2016-02-19 2017-08-23 Casale SA Method for revamping a high pressure melamine plant

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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239522A (en) * 1963-03-12 1966-03-08 Chemical Construction Corp Synthesis of urea and melamine
NL6801577A (es) * 1968-02-02 1969-08-05
NL6919152A (es) * 1969-12-20 1971-06-22
JPH06184085A (ja) * 1992-12-22 1994-07-05 Toyo Eng Corp カルバミン酸アンモニウム溶液の分析法およびそれを用いた尿素プラントの制御方法
JPH08291130A (ja) * 1995-04-25 1996-11-05 Toyo Eng Corp 尿素製造方法

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
CN1262546C (zh) 2006-07-05
EP1252148A1 (en) 2002-10-30
PL207030B1 (pl) 2010-10-29
EA200200828A1 (ru) 2003-02-27
NO20023620D0 (no) 2002-07-30
JP2003521539A (ja) 2003-07-15
NO20023620L (no) 2002-07-30
CA2398986A1 (en) 2001-08-09
US20030050473A1 (en) 2003-03-13
KR100703547B1 (ko) 2007-04-03
DE60111824D1 (de) 2005-08-11
DE60111824T2 (de) 2006-04-27
KR20020073571A (ko) 2002-09-27
PL356322A1 (en) 2004-06-28
EP1252148B1 (en) 2005-07-06
AU2001234239B2 (en) 2006-05-11
EA005129B1 (ru) 2004-12-30
ATE299137T1 (de) 2005-07-15
NO323867B1 (no) 2007-07-16
WO2001056999A1 (en) 2001-08-09
ES2245350T3 (es) 2006-01-01
US6835834B2 (en) 2004-12-28
RO120910B1 (ro) 2006-09-29
CN1396913A (zh) 2003-02-12
TW526196B (en) 2003-04-01
MXPA02007551A (es) 2002-12-13
AU3423901A (en) 2001-08-14

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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