BE842727A - Procede pour refroidir les gaz residuaires de reaction dans la synthese de la melamine - Google Patents
Procede pour refroidir les gaz residuaires de reaction dans la synthese de la melamineInfo
- Publication number
- BE842727A BE842727A BE167735A BE167735A BE842727A BE 842727 A BE842727 A BE 842727A BE 167735 A BE167735 A BE 167735A BE 167735 A BE167735 A BE 167735A BE 842727 A BE842727 A BE 842727A
- Authority
- BE
- Belgium
- Prior art keywords
- cooling
- reaction gases
- residual reaction
- melamine synthesis
- melamine
- Prior art date
Links
- 229920000877 Melamine resin Polymers 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000006243 chemical reaction Methods 0.000 title 1
- 239000007789 gas Substances 0.000 title 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000003786 synthesis reaction 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
- 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)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Treating Waste Gases (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752525781 DE2525781C3 (de) | 1975-06-10 | 1975-06-10 | Verfahren zum Abscheiden von Melamin aus den Abgasen der Melaminsynthese |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE842727A true BE842727A (fr) | 1976-12-09 |
Family
ID=5948716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE167735A BE842727A (fr) | 1975-06-10 | 1976-06-09 | Procede pour refroidir les gaz residuaires de reaction dans la synthese de la melamine |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5928550B2 (OSRAM) |
| BE (1) | BE842727A (OSRAM) |
| DE (1) | DE2525781C3 (OSRAM) |
| ES (1) | ES448687A1 (OSRAM) |
| FR (1) | FR2314182A1 (OSRAM) |
| GB (1) | GB1549212A (OSRAM) |
| NL (1) | NL184680C (OSRAM) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3808200A1 (de) * | 1988-03-11 | 1989-09-21 | Wacker Chemie Gmbh | Bei raumtemperatur zu anstrichvertraeglichen bis ueberstreichbaren elastomeren vernetzende organopolysiloxanmassen |
| FR2640987B1 (OSRAM) * | 1988-12-22 | 1992-06-05 | Rhone Poulenc Chimie | |
| JPH0341176A (ja) * | 1989-07-10 | 1991-02-21 | Bridgestone Corp | 樹脂複合ゴム管状物と口金具との接着方法 |
| DE102009052506B4 (de) | 2009-11-11 | 2015-08-20 | Air Liquide Global E&C Solutions Germany Gmbh | Gaswäscher mit integriertem Wärmetauscher |
| 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1429640A (fr) * | 1964-03-28 | 1966-02-25 | Basf Ag | Procédé pour récupérer l'urée des gaz résiduaires provenant de la synthèse de la mélamine à partir d'urée, en phase gazeuse, et débarrassés de la mélamine |
-
1975
- 1975-06-10 DE DE19752525781 patent/DE2525781C3/de not_active Expired
-
1976
- 1976-06-08 NL NL7606169A patent/NL184680C/xx not_active IP Right Cessation
- 1976-06-09 ES ES448687A patent/ES448687A1/es not_active Expired
- 1976-06-09 FR FR7617342A patent/FR2314182A1/fr active Granted
- 1976-06-09 GB GB2382176A patent/GB1549212A/en not_active Expired
- 1976-06-09 BE BE167735A patent/BE842727A/xx not_active IP Right Cessation
- 1976-06-10 JP JP51067210A patent/JPS5928550B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL184680C (nl) | 1989-10-02 |
| JPS5228463A (en) | 1977-03-03 |
| FR2314182B1 (OSRAM) | 1980-07-25 |
| DE2525781B2 (de) | 1979-10-31 |
| JPS5928550B2 (ja) | 1984-07-13 |
| GB1549212A (en) | 1979-08-01 |
| FR2314182A1 (fr) | 1977-01-07 |
| ES448687A1 (es) | 1977-07-01 |
| NL7606169A (nl) | 1976-12-14 |
| DE2525781C3 (de) | 1980-07-17 |
| DE2525781A1 (de) | 1976-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: BASF A.G. Effective date: 19960609 |