CN1262546C - 由尿素制备三聚氰胺的方法 - Google Patents
由尿素制备三聚氰胺的方法 Download PDFInfo
- Publication number
- CN1262546C CN1262546C CNB018044336A CN01804433A CN1262546C CN 1262546 C CN1262546 C CN 1262546C CN B018044336 A CNB018044336 A CN B018044336A CN 01804433 A CN01804433 A CN 01804433A CN 1262546 C CN1262546 C CN 1262546C
- Authority
- CN
- China
- Prior art keywords
- zone
- stream
- melamine
- carbamate solution
- carbamate
- 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.)
- Expired - Fee Related
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
Description
| 实例 | I | II | III | A |
| 压力,MPa | 0.7 | 1.7 | 2.0 | 1.7 |
| 从吸收区返回到冷却区的氨基甲酸盐比例,wt% | 28 | 25 | 24 | 49 |
| 来自吸收区的氨基甲酸盐水含量,wt% | 0.89 | 0.74 | 0.70 | 2.5 |
| 每千克三聚氰胺输出的水量,千克 | 0.89 | 0.74 | 0.70 | 2.5 |
Claims (7)
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 (2)
| Publication Number | Publication Date |
|---|---|
| CN1396913A CN1396913A (zh) | 2003-02-12 |
| CN1262546C true CN1262546C (zh) | 2006-07-05 |
Family
ID=19770742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB018044336A Expired - Fee Related CN1262546C (zh) | 2000-02-03 | 2001-01-23 | 由尿素制备三聚氰胺的方法 |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US6835834B2 (zh) |
| EP (1) | EP1252148B1 (zh) |
| JP (1) | JP2003521539A (zh) |
| KR (1) | KR100703547B1 (zh) |
| CN (1) | CN1262546C (zh) |
| AT (1) | ATE299137T1 (zh) |
| AU (2) | AU2001234239B2 (zh) |
| CA (1) | CA2398986A1 (zh) |
| DE (1) | DE60111824T2 (zh) |
| EA (1) | EA005129B1 (zh) |
| ES (1) | ES2245350T3 (zh) |
| MX (1) | MXPA02007551A (zh) |
| NL (1) | NL1014281C2 (zh) |
| NO (1) | NO323867B1 (zh) |
| PL (1) | PL207030B1 (zh) |
| RO (1) | RO120910B1 (zh) |
| TW (1) | TW526196B (zh) |
| WO (1) | WO2001056999A1 (zh) |
Families Citing this family (5)
| 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 |
| EP2222651A2 (en) * | 2007-12-20 | 2010-09-01 | DSM IP Assets B.V. | Process for the preparation of melamine |
| 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 |
Family Cites Families (7)
| 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 (zh) * | 1968-02-02 | 1969-08-05 | ||
| NL6919152A (zh) * | 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 |
-
2000
- 2000-02-03 NL NL1014281A patent/NL1014281C2/nl not_active IP Right Cessation
-
2001
- 2001-01-23 AU AU2001234239A patent/AU2001234239B2/en not_active Ceased
- 2001-01-23 DE DE60111824T patent/DE60111824T2/de not_active Expired - Lifetime
- 2001-01-23 WO PCT/NL2001/000046 patent/WO2001056999A1/en not_active Ceased
- 2001-01-23 PL PL356322A patent/PL207030B1/pl unknown
- 2001-01-23 ES ES01906411T patent/ES2245350T3/es not_active Expired - Lifetime
- 2001-01-23 RO ROA200201070A patent/RO120910B1/ro unknown
- 2001-01-23 EA EA200200828A patent/EA005129B1/ru not_active IP Right Cessation
- 2001-01-23 AT AT01906411T patent/ATE299137T1/de active
- 2001-01-23 MX MXPA02007551A patent/MXPA02007551A/es active IP Right Grant
- 2001-01-23 CN CNB018044336A patent/CN1262546C/zh not_active Expired - Fee Related
- 2001-01-23 EP EP01906411A patent/EP1252148B1/en not_active Expired - Lifetime
- 2001-01-23 AU AU3423901A patent/AU3423901A/xx active Pending
- 2001-01-23 CA CA002398986A patent/CA2398986A1/en not_active Abandoned
- 2001-01-23 JP JP2001556849A patent/JP2003521539A/ja not_active Ceased
- 2001-01-23 KR KR1020027009906A patent/KR100703547B1/ko not_active Expired - Fee Related
- 2001-01-29 TW TW090101686A patent/TW526196B/zh not_active IP Right Cessation
-
2002
- 2002-07-30 NO NO20023620A patent/NO323867B1/no not_active IP Right Cessation
- 2002-08-02 US US10/210,877 patent/US6835834B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| NL1014281C2 (nl) | 2001-08-06 |
| CA2398986A1 (en) | 2001-08-09 |
| EP1252148B1 (en) | 2005-07-06 |
| US6835834B2 (en) | 2004-12-28 |
| ATE299137T1 (de) | 2005-07-15 |
| RO120910B1 (ro) | 2006-09-29 |
| KR20020073571A (ko) | 2002-09-27 |
| MXPA02007551A (es) | 2002-12-13 |
| PL356322A1 (en) | 2004-06-28 |
| DE60111824D1 (de) | 2005-08-11 |
| CN1396913A (zh) | 2003-02-12 |
| TW526196B (en) | 2003-04-01 |
| AU3423901A (en) | 2001-08-14 |
| EA005129B1 (ru) | 2004-12-30 |
| AU2001234239B2 (en) | 2006-05-11 |
| EA200200828A1 (ru) | 2003-02-27 |
| KR100703547B1 (ko) | 2007-04-03 |
| ES2245350T3 (es) | 2006-01-01 |
| PL207030B1 (pl) | 2010-10-29 |
| US20030050473A1 (en) | 2003-03-13 |
| JP2003521539A (ja) | 2003-07-15 |
| NO20023620D0 (no) | 2002-07-30 |
| NO323867B1 (no) | 2007-07-16 |
| WO2001056999A1 (en) | 2001-08-09 |
| NO20023620L (no) | 2002-07-30 |
| DE60111824T2 (de) | 2006-04-27 |
| EP1252148A1 (en) | 2002-10-30 |
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| AU2006244735B2 (en) | Method for concentrating an aqueous ammonium carbamate stream | |
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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 | ||
| ASS | Succession or assignment of patent right |
Owner name: DSMIP PROPERTY CO., LTD. Free format text: FORMER OWNER: DSM N. V. Effective date: 20040625 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20040625 Address after: Holland Heerlen Applicant after: DSMIP Property N. V. Address before: Holland Heerlen Applicant before: DSM N. V. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: OCI NITROGEN B.V. Free format text: FORMER OWNER: DSM IP ASSETS BV Effective date: 20120528 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120528 Address after: Geleen Patentee after: DSM IP Assets BV Address before: Holland Heerlen Patentee before: DSM IP Property Limited |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060705 Termination date: 20170123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |