CN1407974A - 三聚氰胺的纯化方法 - Google Patents
三聚氰胺的纯化方法 Download PDFInfo
- Publication number
- CN1407974A CN1407974A CN00815703A CN00815703A CN1407974A CN 1407974 A CN1407974 A CN 1407974A CN 00815703 A CN00815703 A CN 00815703A CN 00815703 A CN00815703 A CN 00815703A CN 1407974 A CN1407974 A CN 1407974A
- Authority
- CN
- China
- Prior art keywords
- solution
- trimeric cyanamide
- melamine
- polycondensate
- ammonia
- 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.)
- Granted
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
- C07D251/62—Purification 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)
- Phenolic Resins Or Amino Resins (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI99A002388 | 1999-11-16 | ||
IT1999MI002388A IT1315255B1 (it) | 1999-11-16 | 1999-11-16 | Procedimento di purificazione della melammina. |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1407974A true CN1407974A (zh) | 2003-04-02 |
CN1263747C CN1263747C (zh) | 2006-07-12 |
Family
ID=11383963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB008157030A Expired - Lifetime CN1263747C (zh) | 1999-11-16 | 2000-11-03 | 三聚氰胺的纯化方法 |
Country Status (16)
Country | Link |
---|---|
US (1) | US6774234B1 (zh) |
EP (1) | EP1230226B1 (zh) |
CN (1) | CN1263747C (zh) |
AR (1) | AR026497A1 (zh) |
AT (1) | ATE424389T1 (zh) |
AU (1) | AU1883701A (zh) |
DE (1) | DE60041709D1 (zh) |
EA (1) | EA005007B1 (zh) |
EG (1) | EG22361A (zh) |
ES (1) | ES2323847T3 (zh) |
IT (1) | IT1315255B1 (zh) |
MY (1) | MY123710A (zh) |
PL (1) | PL200104B1 (zh) |
SA (1) | SA00210626B1 (zh) |
TW (1) | TW521074B (zh) |
WO (1) | WO2001036397A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102584729A (zh) * | 2010-12-15 | 2012-07-18 | 欧洲技术设于伊特根的三聚氰氨-卢森堡-分支机构 | 包含甲醛的尿素在用于通过尿素热解生产三聚氰胺的方法中的用途以及生产三聚氰胺的相关方法 |
CN101691361B (zh) * | 2008-05-13 | 2012-12-19 | 欧洲技术设于伊特根的三聚氰氨-卢森堡-分支机构 | 改进的蜜胺纯化方法及相关设备 |
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 |
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 (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030028020A1 (en) * | 2001-07-27 | 2003-02-06 | Gupta Ram B. | Process for the synthesis of high purity melamine |
AU2002351684B2 (en) | 2001-11-16 | 2008-02-07 | Ami-Agrolinz Melamine International Gmbh | Method for producing melem-free melamine and quenching agents |
DE102006055571B4 (de) | 2006-11-20 | 2018-09-27 | Urea Casale S.A. | Verfahren und Vorrichtung zur Aufarbeitung einer Melaminschmelze |
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 |
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 |
CN105709675B (zh) * | 2014-12-11 | 2020-04-10 | 欧洲技术设于伊特根的三聚氰氨-卢森堡-分支机构 | 用于生产三聚氰胺的设备的后反应器及相关方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3161638A (en) * | 1964-12-15 | Filter | ||
NL161750C (nl) * | 1968-11-16 | 1980-03-17 | Stamicarbon | Werkwijze voor het afscheiden van melamine uit een gasvormig reactiemengsel van melamine, ammoniak en kooldioxyde. |
US3637686A (en) * | 1969-02-10 | 1972-01-25 | Nissan Chemical Ind Ltd | Process for recovering purified melamine |
NL8201479A (nl) * | 1982-04-07 | 1983-11-01 | Stamicarbon | Werkwijze voor het bereiden van melamine. |
NL9002606A (nl) * | 1990-11-29 | 1992-06-16 | Stamicarbon | Proces voor de bereiding van melamine uit ureum. |
IT1261841B (it) | 1993-08-23 | 1996-06-03 | Conser Spa | Procedimento per la produzione di melammina ad alta purezza. |
US5384404A (en) * | 1993-11-05 | 1995-01-24 | Lee; Jing M. | Process for manufacturing melamine from urea |
AT402294B (de) * | 1994-12-23 | 1997-03-25 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von hochreinem melamin |
AT402296B (de) * | 1995-02-03 | 1997-03-25 | Agrolinz Melamin Gmbh | Verfahren zur reinigung von melamin |
NL1010316C2 (nl) * | 1998-10-14 | 1999-09-23 | Dsm Nv | Werkwijze voor de bereiding van melamine. |
-
1999
- 1999-11-16 IT IT1999MI002388A patent/IT1315255B1/it active
-
2000
- 2000-11-03 PL PL355580A patent/PL200104B1/pl unknown
- 2000-11-03 US US10/130,517 patent/US6774234B1/en not_active Expired - Lifetime
- 2000-11-03 EA EA200200570A patent/EA005007B1/ru not_active IP Right Cessation
- 2000-11-03 AT AT00981608T patent/ATE424389T1/de not_active IP Right Cessation
- 2000-11-03 EP EP00981608A patent/EP1230226B1/en not_active Expired - Lifetime
- 2000-11-03 CN CNB008157030A patent/CN1263747C/zh not_active Expired - Lifetime
- 2000-11-03 ES ES00981608T patent/ES2323847T3/es not_active Expired - Lifetime
- 2000-11-03 WO PCT/IT2000/000443 patent/WO2001036397A1/en active Search and Examination
- 2000-11-03 DE DE60041709T patent/DE60041709D1/de not_active Expired - Lifetime
- 2000-11-03 AU AU18837/01A patent/AU1883701A/en not_active Abandoned
- 2000-11-04 TW TW089123267A patent/TW521074B/zh not_active IP Right Cessation
- 2000-11-09 MY MYPI20005256A patent/MY123710A/en unknown
- 2000-11-14 EG EG20001421A patent/EG22361A/xx active
- 2000-11-16 AR ARP000106046A patent/AR026497A1/es unknown
- 2000-12-16 SA SA00210626A patent/SA00210626B1/ar unknown
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN101691361B (zh) * | 2008-05-13 | 2012-12-19 | 欧洲技术设于伊特根的三聚氰氨-卢森堡-分支机构 | 改进的蜜胺纯化方法及相关设备 |
CN102584729A (zh) * | 2010-12-15 | 2012-07-18 | 欧洲技术设于伊特根的三聚氰氨-卢森堡-分支机构 | 包含甲醛的尿素在用于通过尿素热解生产三聚氰胺的方法中的用途以及生产三聚氰胺的相关方法 |
CN102584729B (zh) * | 2010-12-15 | 2016-05-18 | 欧洲技术设于伊特根的三聚氰氨-卢森堡-分支机构 | 包含甲醛的尿素在用于通过尿素热解生产三聚氰胺的方法中的用途以及生产三聚氰胺的相关方法 |
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 |
---|---|
ATE424389T1 (de) | 2009-03-15 |
IT1315255B1 (it) | 2003-02-03 |
EG22361A (en) | 2002-12-31 |
ITMI992388A1 (it) | 2001-05-16 |
AU1883701A (en) | 2001-05-30 |
WO2001036397A1 (en) | 2001-05-25 |
CN1263747C (zh) | 2006-07-12 |
TW521074B (en) | 2003-02-21 |
DE60041709D1 (de) | 2009-04-16 |
EP1230226B1 (en) | 2009-03-04 |
SA00210626B1 (ar) | 2006-11-19 |
PL355580A1 (en) | 2004-05-04 |
PL200104B1 (pl) | 2008-12-31 |
AR026497A1 (es) | 2003-02-12 |
ITMI992388A0 (it) | 1999-11-16 |
EP1230226A1 (en) | 2002-08-14 |
US6774234B1 (en) | 2004-08-10 |
ES2323847T3 (es) | 2009-07-27 |
EA200200570A1 (ru) | 2002-12-26 |
EA005007B1 (ru) | 2004-10-28 |
MY123710A (en) | 2006-05-31 |
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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 DEVELOPMENT + LICENSING S.R.L. Effective date: 20061117 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20061117 Address after: Swiss Yitegen Patentee after: Eurotecnica Group S. A. Address before: Basel Patentee before: Eurotecnica Development & Licensing S.R.L. |
|
CX01 | Expiry of patent term |
Granted publication date: 20060712 |
|
CX01 | Expiry of patent term |