ATE299137T1 - Verfahren zur herstellung von melamin aus harnstoff - Google Patents

Verfahren zur herstellung von melamin aus harnstoff

Info

Publication number
ATE299137T1
ATE299137T1 AT01906411T AT01906411T ATE299137T1 AT E299137 T1 ATE299137 T1 AT E299137T1 AT 01906411 T AT01906411 T AT 01906411T AT 01906411 T AT01906411 T AT 01906411T AT E299137 T1 ATE299137 T1 AT E299137T1
Authority
AT
Austria
Prior art keywords
urea
producing melamine
cooling zone
zone
melamine
Prior art date
Application number
AT01906411T
Other languages
English (en)
Inventor
Wit Nora Anna De
Rob Kasimier Gulpers
Original Assignee
Dsm Ip Assets Bv
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 Ip Assets Bv filed Critical Dsm Ip Assets Bv
Application granted granted Critical
Publication of ATE299137T1 publication Critical patent/ATE299137T1/de

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)
AT01906411T 2000-02-03 2001-01-23 Verfahren zur herstellung von melamin aus harnstoff ATE299137T1 (de)

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.
PCT/NL2001/000046 WO2001056999A1 (en) 2000-02-03 2001-01-23 Process for preparing melamine from urea

Publications (1)

Publication Number Publication Date
ATE299137T1 true ATE299137T1 (de) 2005-07-15

Family

ID=19770742

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01906411T ATE299137T1 (de) 2000-02-03 2001-01-23 Verfahren zur herstellung von melamin aus harnstoff

Country Status (18)

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

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 (de) * 2005-02-04 2006-08-09 DSM IP Assets B.V. Verfahren zur Herstellung von Melamin
CN101903361A (zh) * 2007-12-20 2010-12-01 帝斯曼知识产权资产管理有限公司 三聚氰胺的制备方法
WO2009132750A1 (en) * 2008-04-29 2009-11-05 Dsm Ip Assets B.V. Process for recovering solid melamine
EP3208264A1 (de) * 2016-02-19 2017-08-23 Casale SA Verfahren zur modernisierung einer hochdrückmelaminanlage

Family Cites Families (7)

* 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 (de) * 1968-02-02 1969-08-05
NL6919152A (de) * 1969-12-20 1971-06-22
NL8204979A (nl) * 1982-12-24 1984-07-16 Unie Van Kunstmestfab Bv Werkwijze voor het bepalen en regelen van de samenstelling van waterige oplossingen van nh3 en co2.
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
US5384404A (en) * 1993-11-05 1995-01-24 Lee; Jing M. Process for manufacturing melamine from urea
JPH08291130A (ja) * 1995-04-25 1996-11-05 Toyo Eng Corp 尿素製造方法

Also Published As

Publication number Publication date
KR100703547B1 (ko) 2007-04-03
MXPA02007551A (es) 2002-12-13
CN1262546C (zh) 2006-07-05
NO20023620D0 (no) 2002-07-30
JP2003521539A (ja) 2003-07-15
KR20020073571A (ko) 2002-09-27
EP1252148B1 (de) 2005-07-06
WO2001056999A1 (en) 2001-08-09
AU2001234239B2 (en) 2006-05-11
US20030050473A1 (en) 2003-03-13
ES2245350T3 (es) 2006-01-01
CA2398986A1 (en) 2001-08-09
NL1014281C2 (nl) 2001-08-06
NO20023620L (no) 2002-07-30
US6835834B2 (en) 2004-12-28
AU3423901A (en) 2001-08-14
PL356322A1 (en) 2004-06-28
TW526196B (en) 2003-04-01
EA005129B1 (ru) 2004-12-30
CN1396913A (zh) 2003-02-12
DE60111824D1 (de) 2005-08-11
EP1252148A1 (de) 2002-10-30
DE60111824T2 (de) 2006-04-27
NO323867B1 (no) 2007-07-16
PL207030B1 (pl) 2010-10-29
RO120910B1 (ro) 2006-09-29
EA200200828A1 (ru) 2003-02-27

Similar Documents

Publication Publication Date Title
ATE113620T1 (de) Kontinuierliche herstellung von wässrigen melamin-formaldehyd-vorkondensat-lösungen.
DE60141416D1 (de) Verfahren zur regelung der herstellung von ammoniak aus harnstoff zur nox-wäsche
DE69719850D1 (de) Verfahren zur Herstellung von Melamin
ATE299137T1 (de) Verfahren zur herstellung von melamin aus harnstoff
BR9200986A (pt) Processo de producao de ureia
DE59903189D1 (de) Verfahren zur herstellung von cellulosecarbamat
ATE513806T1 (de) Integriertes verfahren und vorrichtung zur harnstoff/melamin herstellung
ATE33132T1 (de) Verfahren zur herstellung von harnstoff.
DE60111185D1 (de) Verfahren zur herstellung von melamin aus harnstoff
ATE394367T1 (de) Verfahren und vorrichtung zur herstellung von harnstoff
DE69119433T2 (de) Verfahren für die herstellung von melamin aus harnstoff
ATE272612T1 (de) Verfahren zur herstellung von cyclohexanonoxim
DE50101168D1 (de) Verfahren zur thermischen Nachbehandlung von Spaltprodukt aus der säurekatalysierten Spaltung von Cumolhydroperoxid
DE69916506D1 (de) Verfahren zur herstellung von acrylnitril unter verwendung eines wärmeaustauschverfahrens durch direkten gas-flüssigkontaktes in der absorptionssäule
TH52995A (th) กระบวนการสำหรับการเตรียมเมลามีนจากยูเรีย
ATE268321T1 (de) Kontinuierliches isothermes verfahren zur herstellung von mononitrotoluolen in gegenwart vor phosphorsäure
JP2008518043A (ja) メラミンおよびアルデヒドを含有する水性流れの製造方法
ATE447550T1 (de) Verfahren zur herstellung einer harnstoff und formaldehyd enthaltenden wässrigen lösung
BR9508219A (pt) Processo para fabricação de formato de potássio
ES8600633A1 (es) Un procedimiento y su aparato correspondiente para la fabricacion de urea con escado consumo de vapor
ATE421957T1 (de) Verfahren zur herstellung von melamin
DE60208773D1 (de) Verfahren zur herstellung von harnstoff
DE69908398T2 (de) Verfahren zur herstellung von alkonolaminen aus polyolefinepoxiden
KR910001160A (ko) 마류(麻類)를 원료로한 의혁지의 제조
RU2003111428A (ru) Способ непрерывного получения карбамидоформальдегидного концентрата

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 1252148

Country of ref document: EP