FR2852011B1 - Procede de fabrication de la melamine a partir de l'acide cyanurique et application a la purification de la melamine contenant de l'acide cyanurique comme impurete - Google Patents
Procede de fabrication de la melamine a partir de l'acide cyanurique et application a la purification de la melamine contenant de l'acide cyanurique comme impureteInfo
- Publication number
- FR2852011B1 FR2852011B1 FR0302834A FR0302834A FR2852011B1 FR 2852011 B1 FR2852011 B1 FR 2852011B1 FR 0302834 A FR0302834 A FR 0302834A FR 0302834 A FR0302834 A FR 0302834A FR 2852011 B1 FR2852011 B1 FR 2852011B1
- Authority
- FR
- France
- Prior art keywords
- melamine
- cyanuric acid
- impurity
- purification
- production
- 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
- 229920000877 Melamine resin Polymers 0.000 title 2
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 title 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title 2
- 239000012535 impurity Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000000746 purification Methods 0.000 title 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
-
- 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)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0302834A FR2852011B1 (fr) | 2003-03-07 | 2003-03-07 | Procede de fabrication de la melamine a partir de l'acide cyanurique et application a la purification de la melamine contenant de l'acide cyanurique comme impurete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0302834A FR2852011B1 (fr) | 2003-03-07 | 2003-03-07 | Procede de fabrication de la melamine a partir de l'acide cyanurique et application a la purification de la melamine contenant de l'acide cyanurique comme impurete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2852011A1 FR2852011A1 (fr) | 2004-09-10 |
| FR2852011B1 true FR2852011B1 (fr) | 2006-07-07 |
Family
ID=32865327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0302834A Expired - Fee Related FR2852011B1 (fr) | 2003-03-07 | 2003-03-07 | Procede de fabrication de la melamine a partir de l'acide cyanurique et application a la purification de la melamine contenant de l'acide cyanurique comme impurete |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2852011B1 (fr) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3112312A (en) * | 1963-11-26 | Melamine synthesis | ||
| GB718934A (en) * | 1952-01-17 | 1954-11-24 | American Cyanamid Co | Improvements relating to the preparation of cyanamide and cyanamide polymers from urea |
| GB806153A (en) * | 1955-03-16 | 1958-12-17 | Shinetsu Chem Ind Co | Improvements in or relating to the production of melamine |
| AT256117B (de) * | 1963-04-04 | 1967-08-10 | Chemie Linz Ag | Verfahren zur katalytischen Herstellung von Melamin aus gasförmiger Cyansäure |
| DE1812120C3 (de) * | 1968-12-02 | 1974-02-28 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Melamin |
| EP1188751A1 (fr) * | 2000-09-13 | 2002-03-20 | Casale Chemicals SA | Procédé de production de mélamine très pure à partir d'urée |
-
2003
- 2003-03-07 FR FR0302834A patent/FR2852011B1/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2852011A1 (fr) | 2004-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BRPI0410685A (pt) | processos de purificação de 1,3-propanodiol e composições | |
| EP1672077A4 (fr) | Procede de production d'acide succinique | |
| EP1416052A4 (fr) | Procede d'elaboration d'acide 1,4-dihydroxy-2-naphtoique | |
| EP1596427A4 (fr) | Procede d'introduction d'impuretes | |
| FR2884818B1 (fr) | Procede de preparation d'acide acrylique a partir de glycerol | |
| EP1610365A4 (fr) | Materiau de purification d'une suspension de purification de semi-conducteurs, module de purification d'une suspension de purification de semi-conducteurs et procede de fabrication d'une suspension de purification de semi-conducteurs | |
| EP1581057A4 (fr) | Procede permettant de renforcer l'efficacite de produits chimiques agricoles | |
| FR2846964B1 (fr) | Procede de fabrication de 1,2-epoxy-3-chloropropane | |
| MA28516B1 (fr) | Procede et installation de production d'acide sulfurique | |
| ITMI20010773A0 (it) | Processo per la produzione di ioexolo ad elevata purezza | |
| EP1484406A4 (fr) | Procede de fabrication d'acide n-acetylneuraminique | |
| FR2885138B1 (fr) | Procede de production d'acide sulfhydrique et son application, notamment a la depollution d'effluents contenant des metaux lourds | |
| FR2832213B1 (fr) | Procede et installation de production d'helium | |
| FR2858618B1 (fr) | Procede et reacteur de fabrication d'hydroxymethylfurfural | |
| FR2826964B1 (fr) | Procede de fabrication de (meth) acrylates silanes | |
| FR2884817B1 (fr) | Procede de preparation d'acide acrylique a partir de glycerol | |
| FR2791673B1 (fr) | Procede de preparation des esters de l'acide hydroxymethylthiobutyrique | |
| EP1365029A4 (fr) | Procede de production d'esters d'acide (3r,5s)-(e)-7- 2-cyclopropyl-4-(4-fluorophenyl)-quinolin-3-yl -3,5-dihydroxyhept-6-enique | |
| PT1403264E (pt) | Processo de sintese industrial do diester metilico do acido 5-amino-3-carboximetil-4-ciano-2-tiofenocarboxilico | |
| EP1553185A4 (fr) | Procede de production d'une solution contenant de l'ubiquinone-10 | |
| FR2853900B1 (fr) | Procede de fabrication de l'anhydride isobutyrique | |
| FR2852011B1 (fr) | Procede de fabrication de la melamine a partir de l'acide cyanurique et application a la purification de la melamine contenant de l'acide cyanurique comme impurete | |
| ITMI20002187A0 (it) | Processo per la produzione dell'acido r(+) -lipico | |
| EP1790633A4 (fr) | Procede pour la fabrication d'acide 2-hydroxy-4-methylthiobutanoïque | |
| EP1498501A4 (fr) | Procede de production d'acier martensitique inoxydable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |
Effective date: 20101130 |