ES360453A1 - Un aparato para preparar melamina a partir de urea y amo- niaco. - Google Patents
Un aparato para preparar melamina a partir de urea y amo- niaco.Info
- Publication number
- ES360453A1 ES360453A1 ES360453A ES360453A ES360453A1 ES 360453 A1 ES360453 A1 ES 360453A1 ES 360453 A ES360453 A ES 360453A ES 360453 A ES360453 A ES 360453A ES 360453 A1 ES360453 A1 ES 360453A1
- Authority
- ES
- Spain
- Prior art keywords
- urea
- pressure
- fed
- melamine
- signals
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/1809—Controlling processes
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/03—Control of flow with auxiliary non-electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00026—Controlling or regulating the heat exchange system
- B01J2208/00035—Controlling or regulating the heat exchange system involving measured parameters
- B01J2208/0007—Pressure measurement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00115—Controlling the temperature by indirect heat exchange with heat exchange elements inside the bed of solid particles
- B01J2208/00132—Tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00539—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00548—Flow
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Joining Of Glass To Other Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6715751A NL6715751A (h) | 1967-11-21 | 1967-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES360453A1 true ES360453A1 (es) | 1970-10-16 |
Family
ID=19801763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES360453A Expired ES360453A1 (es) | 1967-11-21 | 1968-11-20 | Un aparato para preparar melamina a partir de urea y amo- niaco. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3578413A (h) |
| AT (1) | AT283378B (h) |
| BE (1) | BE724176A (h) |
| BR (1) | BR6804221D0 (h) |
| CH (1) | CH478814A (h) |
| DE (1) | DE1810038A1 (h) |
| ES (1) | ES360453A1 (h) |
| FR (1) | FR1592419A (h) |
| GB (1) | GB1247377A (h) |
| NL (1) | NL6715751A (h) |
| NO (1) | NO125388B (h) |
| SE (1) | SE339478B (h) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3895007A (en) * | 1972-04-28 | 1975-07-15 | Basf Ag | Manufacture of melamine |
| DE102005023042B4 (de) * | 2005-05-06 | 2007-10-31 | Lurgi Ag | Verfahren zur Herstellung von Melamin |
-
1967
- 1967-11-21 NL NL6715751A patent/NL6715751A/xx unknown
-
1968
- 1968-11-19 CH CH1724268A patent/CH478814A/de not_active IP Right Cessation
- 1968-11-19 AT AT1123168A patent/AT283378B/de active
- 1968-11-20 NO NO4613/68A patent/NO125388B/no unknown
- 1968-11-20 FR FR1592419D patent/FR1592419A/fr not_active Expired
- 1968-11-20 BE BE724176D patent/BE724176A/xx unknown
- 1968-11-20 ES ES360453A patent/ES360453A1/es not_active Expired
- 1968-11-20 DE DE19681810038 patent/DE1810038A1/de active Pending
- 1968-11-21 GB GB55384/68A patent/GB1247377A/en not_active Expired
- 1968-11-21 BR BR204221/68A patent/BR6804221D0/pt unknown
- 1968-11-21 US US777705A patent/US3578413A/en not_active Expired - Lifetime
- 1968-11-21 SE SE15886/68A patent/SE339478B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR6804221D0 (pt) | 1973-01-16 |
| US3578413A (en) | 1971-05-11 |
| NO125388B (h) | 1972-09-04 |
| GB1247377A (en) | 1971-09-22 |
| AT283378B (de) | 1970-08-10 |
| FR1592419A (h) | 1970-05-11 |
| NL6715751A (h) | 1969-05-23 |
| BE724176A (h) | 1969-05-20 |
| SE339478B (h) | 1971-10-11 |
| DE1810038A1 (de) | 1969-07-17 |
| CH478814A (de) | 1969-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES360453A1 (es) | Un aparato para preparar melamina a partir de urea y amo- niaco. | |
| GB1102365A (en) | Mooring and fluid transferring apparatus | |
| SE305199B (h) | ||
| GB799025A (en) | Improvements in apparatus through which a fluid medium passes | |
| GB1293992A (en) | Apparatus for use in anaesthetisation | |
| FR1229383A (fr) | Vanne régulatrice de débit, pneumatique | |
| CA646370A (en) | Annular bleed valve for fluid flow machines | |
| ES371199A1 (es) | Un sistema de control de fluido. | |
| ES293555A1 (es) | Perfeccionamientos en los equipos de valvulas para botellas de gas a presiën | |
| ES298144A3 (es) | Un aparato reductor para fluidos a presiën | |
| GB1186084A (en) | Amplification of Pneumatic Signals | |
| CH385029A (de) | Atmungsgerät mit lungengesteuertem Nährgaszuführungsventil, dem ein Druckminderer vorgeschaltet ist | |
| ES278620A2 (es) | Perfeccionamientos en los aparatos fumigadores | |
| CH355364A (fr) | Dispositif de sûreté pour freins actionnés par un fluide sous pression | |
| CA670464A (en) | Pressure operated valve, especially for water supply systems | |
| GB1215825A (en) | Improved dental drill cooling device | |
| GB1236562A (en) | Means for producing pulsating fluid flow | |
| GB992592A (en) | Improvements relating to diaphragm pumps | |
| CA555589A (en) | Valve means for a fluid pressure system | |
| ES325688A1 (es) | Un aparato valvular para fluidos gaseosos. | |
| GB733932A (en) | Improvements relating to pressure transmitters for hydraulic control systems | |
| CA646978A (en) | Valve for high pressure abrasive carrying fluid | |
| FR1317433A (fr) | Vanne d'arrêt ou de fermeture commandée par la pression d'un fluide | |
| CH475596A (fr) | Régulateur de pression pour fluide, notamment pour les installations de métrologie pneumatique | |
| GB1219677A (en) | Improvements in and relating to a tool for applying hydraulic fluid |