CN1538961A - 高收率生产高纯度三聚氰胺的改良方法 - Google Patents
高收率生产高纯度三聚氰胺的改良方法 Download PDFInfo
- Publication number
- CN1538961A CN1538961A CNA02815259XA CN02815259A CN1538961A CN 1538961 A CN1538961 A CN 1538961A CN A02815259X A CNA02815259X A CN A02815259XA CN 02815259 A CN02815259 A CN 02815259A CN 1538961 A CN1538961 A CN 1538961A
- Authority
- CN
- China
- Prior art keywords
- melamine
- reactor
- urea
- pyrolysis
- recovery
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 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
-
- 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)
- Peptides Or Proteins (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2001MI001216A ITMI20011216A1 (it) | 2001-06-08 | 2001-06-08 | Procedimento migliorato per la produzione con alte rese di melanina |
ITMI01A001216 | 2001-06-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1538961A true CN1538961A (zh) | 2004-10-20 |
CN1276915C CN1276915C (zh) | 2006-09-27 |
Family
ID=11447835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB02815259XA Expired - Fee Related CN1276915C (zh) | 2001-06-08 | 2002-05-30 | 高收率生产高纯度三聚氰胺的改良方法 |
Country Status (17)
Country | Link |
---|---|
US (1) | US7125992B2 (zh) |
EP (1) | EP1404658B1 (zh) |
KR (1) | KR20040023610A (zh) |
CN (1) | CN1276915C (zh) |
AR (1) | AR037136A1 (zh) |
AT (1) | ATE397594T1 (zh) |
BR (1) | BR0210984A (zh) |
CA (1) | CA2449995A1 (zh) |
DE (1) | DE60226980D1 (zh) |
EA (1) | EA005993B1 (zh) |
ES (1) | ES2307763T3 (zh) |
IT (1) | ITMI20011216A1 (zh) |
MY (1) | MY138822A (zh) |
PL (1) | PL367884A1 (zh) |
TW (1) | TWI255814B (zh) |
UA (1) | UA76757C2 (zh) |
WO (1) | WO2002100839A1 (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101044124B (zh) * | 2004-10-20 | 2010-10-06 | Ami阿格罗林茨三聚氰胺国际有限公司 | 处理三聚氰胺设备的含三嗪的水的方法 |
CN101863848A (zh) * | 2010-05-28 | 2010-10-20 | 北京烨晶科技有限公司 | 用于制备三聚氰胺的***及方法 |
CN102285929A (zh) * | 2010-05-06 | 2011-12-21 | 欧洲技术设于伊特根的三聚氰氨-卢森堡-分支机构 | 通过尿素热解生产高纯度三聚氰胺的低能耗方法和相关设备 |
CN102850286A (zh) * | 2008-03-04 | 2013-01-02 | 卡萨尔尿素公司 | 从尿素中生产高纯度三聚氰胺的方法 |
TWI467040B (zh) * | 2008-09-29 | 2015-01-01 | Applied Materials Inc | 用於有機材料之蒸發器 |
CN109761922A (zh) * | 2017-11-09 | 2019-05-17 | 欧洲技术设于伊特根的三聚氰氨,卢森堡,分支机构 | 通过脲的热解生产高纯度三聚氰胺的改进方法和相关装置 |
CN110734406A (zh) * | 2018-07-20 | 2020-01-31 | 欧洲技术设于伊特根的三聚氰氨卢森堡分支机构 | 通过尿素热解生产高纯度三聚氰胺的氨消耗减少的低能耗方法及相关设备 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003045927A1 (de) * | 2001-11-16 | 2003-06-05 | Ami - Agrolinz Melamine International Gmbh | Verfahren zur herstellung von melemfreiem melamin und quencher |
ITMI20060759A1 (it) * | 2006-04-14 | 2007-10-15 | Eurotecnica Melamine Luxemburg | Processo migliorato per la produzione di melammina con incremento di resa |
US8472683B2 (en) * | 2008-05-09 | 2013-06-25 | General Electric Company | Motion correction in tomographic images |
ITMI20080861A1 (it) | 2008-05-13 | 2009-11-14 | Eurotecnica Melamine Luxembourg | Processo migliorato per la purificazione della melammina e relativa apparecchiatura |
IT1391372B1 (it) * | 2008-10-07 | 2011-12-13 | Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen | Procedimento e apparecchiatura per la produzione di melammina da urea |
EP2308856A1 (en) | 2009-10-09 | 2011-04-13 | Borealis Agrolinz Melamine GmbH | Water recycling in a melamine production process |
CN101838246B (zh) * | 2010-04-29 | 2012-04-18 | 聊城市鲁西化工工程设计有限责任公司 | 利用三聚氰胺尾气进行倒吹的工艺及设备 |
RU2495876C1 (ru) * | 2012-09-10 | 2013-10-20 | Открытое Акционерное Общество "Научно-Исследовательский И Проектный Институт Карбамида И Продуктов Органического Синтеза" (Оао Ниик) | Способ очистки меламина |
ITUB20152258A1 (it) * | 2015-07-17 | 2017-01-17 | Eurotecnica Melamine Luxemburg Zweigniederlassung In Ittigen | Procedimento per la produzione di melammina con separazione e recupero di CO2 e NH3 aventi elevata purezza |
EP3208264A1 (en) | 2016-02-19 | 2017-08-23 | Casale SA | Method for revamping a high pressure melamine plant |
IT202200004898A1 (it) | 2022-03-14 | 2023-09-14 | Eurotecnica Melamine Ag | Procedimento migliorato per la produzione di melammina ad alta purezza da pirolisi di urea, a ridotto consumo energetico e migliorata integrazione con l’impianto urea |
WO2024080874A1 (en) | 2022-10-14 | 2024-04-18 | Stamicarbon B.V. | Urea and melamine production |
WO2024112197A1 (en) | 2022-11-22 | 2024-05-30 | Stamicarbon B.V. | Multiproduct low biuret urea production |
WO2024112199A1 (en) | 2022-11-22 | 2024-05-30 | Stamicarbon B.V. | Coupled urea melamine production with hp co2 stripping |
WO2024112198A1 (en) | 2022-11-22 | 2024-05-30 | Stamicarbon B.V. | Urea melamine plant with melamine off-gas condenser |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3161638A (en) * | 1964-12-15 | Filter | ||
US3637686A (en) * | 1969-02-10 | 1972-01-25 | Nissan Chemical Ind Ltd | Process for recovering purified melamine |
EP1054006A1 (en) | 1999-05-20 | 2000-11-22 | Dsm N.V. | Method for preparing melamine |
-
2001
- 2001-06-08 IT IT2001MI001216A patent/ITMI20011216A1/it unknown
-
2002
- 2002-05-30 UA UA20031213204A patent/UA76757C2/uk unknown
- 2002-05-30 EP EP02741165A patent/EP1404658B1/en not_active Revoked
- 2002-05-30 CA CA002449995A patent/CA2449995A1/en not_active Abandoned
- 2002-05-30 ES ES02741165T patent/ES2307763T3/es not_active Expired - Lifetime
- 2002-05-30 CN CNB02815259XA patent/CN1276915C/zh not_active Expired - Fee Related
- 2002-05-30 WO PCT/IT2002/000348 patent/WO2002100839A1/en active IP Right Grant
- 2002-05-30 DE DE60226980T patent/DE60226980D1/de not_active Expired - Fee Related
- 2002-05-30 AT AT02741165T patent/ATE397594T1/de not_active IP Right Cessation
- 2002-05-30 US US10/479,931 patent/US7125992B2/en not_active Expired - Lifetime
- 2002-05-30 KR KR10-2003-7015932A patent/KR20040023610A/ko active IP Right Grant
- 2002-05-30 BR BR0210984-0A patent/BR0210984A/pt not_active IP Right Cessation
- 2002-05-30 PL PL02367884A patent/PL367884A1/xx not_active Application Discontinuation
- 2002-05-30 EA EA200400015A patent/EA005993B1/ru not_active IP Right Cessation
- 2002-05-31 TW TW091111733A patent/TWI255814B/zh not_active IP Right Cessation
- 2002-06-04 MY MYPI20022050A patent/MY138822A/en unknown
- 2002-06-06 AR ARP020102098A patent/AR037136A1/es not_active Application Discontinuation
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101044124B (zh) * | 2004-10-20 | 2010-10-06 | Ami阿格罗林茨三聚氰胺国际有限公司 | 处理三聚氰胺设备的含三嗪的水的方法 |
CN102850286A (zh) * | 2008-03-04 | 2013-01-02 | 卡萨尔尿素公司 | 从尿素中生产高纯度三聚氰胺的方法 |
CN101959869B (zh) * | 2008-03-04 | 2013-03-27 | 卡萨尔尿素公司 | 从尿素中生产高纯度三聚氰胺的方法 |
CN102850286B (zh) * | 2008-03-04 | 2015-01-14 | 卡萨尔尿素公司 | 从尿素中生产高纯度三聚氰胺的方法 |
TWI467040B (zh) * | 2008-09-29 | 2015-01-01 | Applied Materials Inc | 用於有機材料之蒸發器 |
CN102285929A (zh) * | 2010-05-06 | 2011-12-21 | 欧洲技术设于伊特根的三聚氰氨-卢森堡-分支机构 | 通过尿素热解生产高纯度三聚氰胺的低能耗方法和相关设备 |
CN102285929B (zh) * | 2010-05-06 | 2014-11-05 | 欧洲技术设于伊特根的三聚氰氨-卢森堡-分支机构 | 通过尿素热解生产高纯度三聚氰胺的低能耗方法和相关设备 |
CN101863848A (zh) * | 2010-05-28 | 2010-10-20 | 北京烨晶科技有限公司 | 用于制备三聚氰胺的***及方法 |
CN109761922A (zh) * | 2017-11-09 | 2019-05-17 | 欧洲技术设于伊特根的三聚氰氨,卢森堡,分支机构 | 通过脲的热解生产高纯度三聚氰胺的改进方法和相关装置 |
CN109761922B (zh) * | 2017-11-09 | 2023-11-21 | 欧技三聚氰胺有限公司 | 通过脲的热解生产高纯度三聚氰胺的改进方法和相关装置 |
CN110734406A (zh) * | 2018-07-20 | 2020-01-31 | 欧洲技术设于伊特根的三聚氰氨卢森堡分支机构 | 通过尿素热解生产高纯度三聚氰胺的氨消耗减少的低能耗方法及相关设备 |
CN110734406B (zh) * | 2018-07-20 | 2024-04-30 | 普罗曼有限公司 | 通过尿素热解生产高纯度三聚氰胺的氨消耗减少的低能耗方法及相关设备 |
Also Published As
Publication number | Publication date |
---|---|
EA200400015A1 (ru) | 2004-04-29 |
ES2307763T3 (es) | 2008-12-01 |
TWI255814B (en) | 2006-06-01 |
UA76757C2 (uk) | 2006-09-15 |
EP1404658A1 (en) | 2004-04-07 |
KR20040023610A (ko) | 2004-03-18 |
US20040162429A1 (en) | 2004-08-19 |
ATE397594T1 (de) | 2008-06-15 |
DE60226980D1 (de) | 2008-07-17 |
MY138822A (en) | 2009-07-31 |
CA2449995A1 (en) | 2002-12-19 |
PL367884A1 (en) | 2005-03-07 |
US7125992B2 (en) | 2006-10-24 |
BR0210984A (pt) | 2004-06-08 |
WO2002100839A1 (en) | 2002-12-19 |
ITMI20011216A1 (it) | 2002-12-08 |
EA005993B1 (ru) | 2005-08-25 |
CN1276915C (zh) | 2006-09-27 |
EP1404658B1 (en) | 2008-06-04 |
ITMI20011216A0 (it) | 2001-06-08 |
AR037136A1 (es) | 2004-10-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MELAMINE - LUXEMBOURG - BRANCH LOCATED IN ITGEN B Free format text: FORMER OWNER: EUROTECNICA GROUP S.A. (SWITZERLAND BRANCH AG) Effective date: 20061110 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20061110 Address after: Swiss Yitegen Patentee after: Eurotecnica Group S. A. Address before: Swiss than Patentee before: Eurotecnica Group S.A. (Switzerland Branch AG) |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060927 |