AR030115A1 - Procedimiento para la elaboracion de melamina - Google Patents
Procedimiento para la elaboracion de melaminaInfo
- Publication number
- AR030115A1 AR030115A1 ARP010103710A ARP010103710A AR030115A1 AR 030115 A1 AR030115 A1 AR 030115A1 AR P010103710 A ARP010103710 A AR P010103710A AR P010103710 A ARP010103710 A AR P010103710A AR 030115 A1 AR030115 A1 AR 030115A1
- Authority
- AR
- Argentina
- Prior art keywords
- melamine
- degree
- urea
- procedure
- preparation
- Prior art date
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)
Abstract
Procedimiento para la elaboracion de melamina mediante una pirolisis de urea en un procedimiento de alta presion, en el que se hace reaccionar urea con NH3 para obtener melamina, se conduce la masa fundida de melamina junto con más urea a un reactor de enfriamiento donde la masa fundida es enfriada a una temperatura que se encuentra de 1 degree C a 50 degree C, con preferencia, de 1 degree C a 30 degree C por encima de la temperatura de fusion de la melamina, funcion, a su vez, de la presion de NH3. El CO2 formado se extrae insuflando NH3 en contracorriente, procesando a continuacion la masa fundida de melamina de manera arbitraria.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0136300A AT410210B (de) | 2000-08-07 | 2000-08-07 | Verfahren zur herstellung von melamin |
Publications (1)
Publication Number | Publication Date |
---|---|
AR030115A1 true AR030115A1 (es) | 2003-08-13 |
Family
ID=3688154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP010103710A AR030115A1 (es) | 2000-08-07 | 2001-08-03 | Procedimiento para la elaboracion de melamina |
Country Status (12)
Country | Link |
---|---|
US (1) | US6870050B2 (es) |
EP (1) | EP1309570B1 (es) |
KR (1) | KR100785431B1 (es) |
CN (1) | CN1446203A (es) |
AR (1) | AR030115A1 (es) |
AT (2) | AT410210B (es) |
AU (2) | AU9168301A (es) |
BR (1) | BR0113043A (es) |
DE (1) | DE50113789D1 (es) |
PL (1) | PL361910A1 (es) |
RU (1) | RU2271354C2 (es) |
WO (1) | WO2002012206A1 (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10326827A1 (de) | 2003-06-12 | 2004-12-30 | Ami-Agrolinz Melamine International Gmbh | Verfahren und Vorrichtung zur Herstellung von Melamin im einphasigen Rohrreaktor |
DE102004018784A1 (de) * | 2004-04-14 | 2005-11-03 | Ami-Agrolinz Melamine International Gmbh | Verfahren zur Herstellung von reinem Melamin |
AT414239B (de) | 2004-07-29 | 2006-10-15 | Ami Agrolinz Melamine Int Gmbh | Hochdruckverfahren zur herstellung von reinem melamin |
EP2098516A1 (en) * | 2008-03-04 | 2009-09-09 | Urea Casale S.A. | Process for the production of high purity melamine from urea |
ITMI20080861A1 (it) * | 2008-05-13 | 2009-11-14 | Eurotecnica Melamine Luxembourg | Processo migliorato per la purificazione della melammina e relativa apparecchiatura |
EP2119710A1 (en) * | 2008-05-14 | 2009-11-18 | Urea Casale S.A. | Process for producing high-quality melamine from urea |
RU2417992C2 (ru) * | 2009-07-20 | 2011-05-10 | Открытое акционерное общество "Научно-исследовательский и проектный институт карбамида и продуктов органического синтеза" (ОАО "НИИК") | Способ получения меламина и способ удаления растворенных газов из водного раствора неочищенного меламина |
CN102908802A (zh) * | 2012-11-07 | 2013-02-06 | 袁哲 | 一种新型三聚氰胺干捕器 |
IT202100013079A1 (it) * | 2021-05-20 | 2022-11-20 | Eurotecnica Melamine Ag | Apparato per la produzione di melammina |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1279023B (de) * | 1965-07-27 | 1968-10-03 | Mitsubishi Chem Ind | Verfahren zur Herstellung von reinem Melamin |
NL6809253A (es) * | 1968-06-29 | 1969-12-31 | ||
US4565867A (en) * | 1984-01-05 | 1986-01-21 | Melamine Chemicals, Inc. | Anhydrous high-pressure melamine synthesis |
DE3500188C2 (de) * | 1984-01-05 | 1994-08-18 | Melamine Chemicals Inc | Wasserfreie Hochdruck-Melamin-Synthese |
AT402294B (de) * | 1994-12-23 | 1997-03-25 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von hochreinem melamin |
US5514796A (en) * | 1995-06-07 | 1996-05-07 | Melamine Chemicals, Inc. | Melamine of improved purity produced by high-pressure, non-catalytic process |
AT403579B (de) | 1995-12-07 | 1998-03-25 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von hochreinem melamin |
NL1003709C2 (nl) * | 1996-07-30 | 1998-02-05 | Dsm Nv | Werkwijze voor het bereiden van melamine. |
ES2209405T3 (es) | 1998-01-30 | 2004-06-16 | Ami Agrolinz Melamine International Gmbh | Procedimiento para el enfriamiento de melamina. |
US6355797B2 (en) | 1998-01-30 | 2002-03-12 | Agrolinz Melamin Gmbh | Process for cooling melamine |
DE59906703D1 (de) * | 1998-11-13 | 2003-09-25 | Agrolinz Melamin Gmbh Linz | Verfahren zur herstellung von reinem melamin |
-
2000
- 2000-08-07 AT AT0136300A patent/AT410210B/de not_active IP Right Cessation
-
2001
- 2001-07-26 WO PCT/EP2001/008648 patent/WO2002012206A1/de active IP Right Grant
- 2001-07-26 EP EP01971784A patent/EP1309570B1/de not_active Expired - Lifetime
- 2001-07-26 PL PL36191001A patent/PL361910A1/xx unknown
- 2001-07-26 AT AT01971784T patent/ATE390417T1/de not_active IP Right Cessation
- 2001-07-26 US US10/344,190 patent/US6870050B2/en not_active Expired - Fee Related
- 2001-07-26 BR BR0113043-9A patent/BR0113043A/pt not_active Application Discontinuation
- 2001-07-26 CN CN01813851A patent/CN1446203A/zh active Pending
- 2001-07-26 DE DE50113789T patent/DE50113789D1/de not_active Expired - Fee Related
- 2001-07-26 AU AU9168301A patent/AU9168301A/xx active Pending
- 2001-07-26 AU AU2001291683A patent/AU2001291683B2/en not_active Ceased
- 2001-07-26 KR KR1020037001697A patent/KR100785431B1/ko not_active IP Right Cessation
- 2001-07-26 RU RU2003103592/04A patent/RU2271354C2/ru not_active IP Right Cessation
- 2001-08-03 AR ARP010103710A patent/AR030115A1/es active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
RU2271354C2 (ru) | 2006-03-10 |
ATE390417T1 (de) | 2008-04-15 |
AU9168301A (en) | 2002-02-18 |
EP1309570B1 (de) | 2008-03-26 |
KR20030031569A (ko) | 2003-04-21 |
US20040049034A1 (en) | 2004-03-11 |
KR100785431B1 (ko) | 2007-12-13 |
AT410210B (de) | 2003-03-25 |
AU2001291683B2 (en) | 2006-05-18 |
CN1446203A (zh) | 2003-10-01 |
EP1309570A1 (de) | 2003-05-14 |
US6870050B2 (en) | 2005-03-22 |
PL361910A1 (en) | 2004-10-04 |
ATA13632000A (de) | 2002-07-15 |
BR0113043A (pt) | 2003-06-24 |
WO2002012206A1 (de) | 2002-02-14 |
DE50113789D1 (de) | 2008-05-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant, registration |