ATE234822T1 - Verfahren zur herstellung von melamin - Google Patents
Verfahren zur herstellung von melaminInfo
- Publication number
- ATE234822T1 ATE234822T1 AT97201380T AT97201380T ATE234822T1 AT E234822 T1 ATE234822 T1 AT E234822T1 AT 97201380 T AT97201380 T AT 97201380T AT 97201380 T AT97201380 T AT 97201380T AT E234822 T1 ATE234822 T1 AT E234822T1
- Authority
- AT
- Austria
- Prior art keywords
- melamine
- mixture
- reaction product
- liquid
- medium
- Prior art date
Links
- 229920000877 Melamine resin Polymers 0.000 title abstract 5
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000007788 liquid Substances 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 2
- 239000004202 carbamide Substances 0.000 abstract 2
- 239000007795 chemical reaction product Substances 0.000 abstract 2
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000000197 pyrolysis Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1003105A NL1003105C2 (nl) | 1996-05-14 | 1996-05-14 | Werkwijze voor de bereiding van melamine. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE234822T1 true ATE234822T1 (de) | 2003-04-15 |
Family
ID=19762851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT97201380T ATE234822T1 (de) | 1996-05-14 | 1997-05-07 | Verfahren zur herstellung von melamin |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0808836B1 (de) |
| JP (1) | JPH1045730A (de) |
| CN (2) | CN1065239C (de) |
| AT (1) | ATE234822T1 (de) |
| DE (1) | DE69719850T2 (de) |
| ES (1) | ES2195078T3 (de) |
| ID (1) | ID16895A (de) |
| NL (1) | NL1003105C2 (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6380385B1 (en) | 1995-12-07 | 2002-04-30 | Agrolinz Melanin Gmbh | Process for the preparation of pure melamine |
| NL1006095C2 (nl) * | 1997-05-21 | 1998-11-25 | Dsm Nv | Werkwijze voor het bereiden van melamine. |
| EP0983250B1 (de) | 1997-05-21 | 2003-04-16 | Dsm N.V. | Verfahren zur herstellung von melamin |
| CA2291736A1 (en) * | 1997-05-28 | 1998-12-03 | Dsm N.V. | Method for preparing melamine |
| NL1006147C2 (nl) * | 1997-05-28 | 1998-12-01 | Dsm Nv | Werkwijze voor het bereiden van melamine. |
| WO1998055466A1 (en) * | 1997-06-02 | 1998-12-10 | Dsm N.V. | Method for preparing melamine |
| NL1006192C2 (nl) | 1997-06-02 | 1998-12-03 | Dsm Nv | Werkwijze voor het bereiden van melamine. |
| PL190496B1 (pl) * | 1997-06-02 | 2005-12-30 | Dsm Nv | Multikrystaliczny melaminowy proszek |
| NL1006191C2 (nl) * | 1997-06-02 | 1998-12-03 | Dsm Nv | Kristallijn melamine. |
| JPH11209353A (ja) * | 1998-01-23 | 1999-08-03 | Nissan Chem Ind Ltd | メラミン工程廃液からのメラミン、アンメリン及びアンメリドの回収方法 |
| NL1008571C2 (nl) * | 1998-03-12 | 1999-07-28 | Dsm Nv | Kristallijn melamine. |
| EP1035117A1 (de) * | 1999-03-08 | 2000-09-13 | Dsm N.V. | Verfahren zur Herstellung von Melamin aus Harnstoff |
| CA2361941A1 (en) * | 1999-03-15 | 2000-09-21 | Agrolinz Melamin Gmbh | Method for producing solid melamine |
| EP1054006A1 (de) * | 1999-05-20 | 2000-11-22 | Dsm N.V. | Verfahren zur Herstellung von Melamin |
| NL1013217C2 (nl) * | 1999-10-05 | 2001-04-06 | Dsm Nv | Werkwijze voor de bereiding van melamine. |
| AT409489B (de) | 2000-10-20 | 2002-08-26 | Agrolinz Melamin Gmbh | Verfahren zur herstellung von melamin |
| NL1018283C2 (nl) | 2001-06-13 | 2002-12-19 | Dsm Nv | Werkwijze voor het in contact brengen van gesmolten ureum met een gasstroom. |
| DE10326827A1 (de) | 2003-06-12 | 2004-12-30 | Ami-Agrolinz Melamine International Gmbh | Verfahren und Vorrichtung zur Herstellung von Melamin im einphasigen Rohrreaktor |
| CN114452897A (zh) * | 2022-01-06 | 2022-05-10 | 四川金象赛瑞化工股份有限公司 | 一种尿素加料装置、加料方法及三聚氰胺生产装置和方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IE57911B1 (en) * | 1984-01-05 | 1993-05-19 | Melamine Chemicals Inc | Production of melamine |
| US4565867A (en) * | 1984-01-05 | 1986-01-21 | Melamine Chemicals, Inc. | Anhydrous high-pressure melamine synthesis |
| IT1261841B (it) * | 1993-08-23 | 1996-06-03 | Conser Spa | Procedimento per la produzione di melammina ad alta purezza. |
| 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 |
| US5514796A (en) * | 1995-06-07 | 1996-05-07 | Melamine Chemicals, Inc. | Melamine of improved purity produced by high-pressure, non-catalytic process |
-
1996
- 1996-05-14 NL NL1003105A patent/NL1003105C2/nl not_active IP Right Cessation
-
1997
- 1997-05-07 DE DE69719850T patent/DE69719850T2/de not_active Expired - Fee Related
- 1997-05-07 AT AT97201380T patent/ATE234822T1/de not_active IP Right Cessation
- 1997-05-07 EP EP97201380A patent/EP0808836B1/de not_active Expired - Lifetime
- 1997-05-07 ES ES97201380T patent/ES2195078T3/es not_active Expired - Lifetime
- 1997-05-12 ID IDP971561A patent/ID16895A/id unknown
- 1997-05-13 CN CN97111425A patent/CN1065239C/zh not_active Expired - Fee Related
- 1997-05-13 CN CNB001049747A patent/CN1142921C/zh not_active Expired - Fee Related
- 1997-05-14 JP JP9123616A patent/JPH1045730A/ja not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN1170720A (zh) | 1998-01-21 |
| JPH1045730A (ja) | 1998-02-17 |
| DE69719850T2 (de) | 2003-12-24 |
| ES2195078T3 (es) | 2003-12-01 |
| EP0808836B1 (de) | 2003-03-19 |
| CN1065239C (zh) | 2001-05-02 |
| DE69719850D1 (de) | 2003-04-24 |
| ID16895A (id) | 1997-11-20 |
| CN1142921C (zh) | 2004-03-24 |
| CN1273243A (zh) | 2000-11-15 |
| NL1003105C2 (nl) | 1997-11-18 |
| EP0808836A1 (de) | 1997-11-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification |
Ref document number: 0808836 Country of ref document: EP |
|
| REN | Ceased due to non-payment of the annual fee |