BE659588A - - Google Patents
Info
- Publication number
- BE659588A BE659588A BE659588DA BE659588A BE 659588 A BE659588 A BE 659588A BE 659588D A BE659588D A BE 659588DA BE 659588 A BE659588 A BE 659588A
- Authority
- BE
- Belgium
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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
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- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
- B01J19/242—Tubular reactors in series
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- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00121—Controlling the temperature by direct heating or cooling
- B01J2219/00123—Controlling the temperature by direct heating or cooling adding a temperature modifying medium to the reactants
- B01J2219/00126—Cryogenic coolants
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- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00121—Controlling the temperature by direct heating or cooling
- B01J2219/0013—Controlling the temperature by direct heating or cooling by condensation of reactants
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- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00132—Controlling the temperature using electric heating or cooling elements
- B01J2219/00135—Electric resistance heaters
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- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/0015—Controlling the temperature by thermal insulation means
- B01J2219/00155—Controlling the temperature by thermal insulation means using insulating materials or refractories
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S261/00—Gas and liquid contact apparatus
- Y10S261/54—Venturi scrubbers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Physical Water Treatments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US344020A US3290308A (en) | 1964-02-11 | 1964-02-11 | Synthesis of pure melamine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE659588A true BE659588A (ru) | 1965-08-11 |
Family
ID=23348700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE659588D BE659588A (ru) | 1964-02-11 | 1965-02-11 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US3290308A (ru) |
| BE (1) | BE659588A (ru) |
| DE (1) | DE1545656A1 (ru) |
| FR (1) | FR1451252A (ru) |
| GB (1) | GB1101861A (ru) |
| NL (1) | NL6501633A (ru) |
| SE (1) | SE308117B (ru) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6801577A (ru) * | 1968-02-02 | 1969-08-05 | ||
| US3593968A (en) * | 1968-09-26 | 1971-07-20 | Stone & Webster Eng Corp | Rapid cooling for high-temperature gas streams |
| US3615247A (en) * | 1968-12-23 | 1971-10-26 | Phillips Petroleum Co | Modified combustion zone in a thermally insulated apparatus |
| NL6919152A (ru) * | 1969-12-20 | 1971-06-22 | ||
| US3756580A (en) * | 1972-01-31 | 1973-09-04 | Peabody Engineering Corp | Gas washing apparatus |
| DE3031124A1 (de) * | 1980-08-18 | 1982-04-08 | Basf Ag, 6700 Ludwigshafen | Verfahren zur abtrennung von fluessigem harnstoff aus den abgasen der melaminsynthese |
| US4565867A (en) * | 1984-01-05 | 1986-01-21 | Melamine Chemicals, Inc. | Anhydrous high-pressure melamine synthesis |
| AT397214B (de) * | 1992-03-30 | 1994-02-25 | Chemie Linz Gmbh | Vorrichtung zur abscheidung von melamin |
| DE4211763A1 (de) * | 1992-04-08 | 1993-10-14 | Chemie Linz Deutschland | Vorrichtung zur Abscheidung von Melamin |
| CN109529397B (zh) * | 2018-12-28 | 2024-07-02 | 四川金象赛瑞化工股份有限公司 | 一种凝华结晶设备及结晶方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3132143A (en) * | 1964-05-05 | Process for recovering melamine | ||
| US2918467A (en) * | 1959-12-22 | Production of melamine | ||
| US2575497A (en) * | 1951-11-20 | Sheetsxsheet i | ||
| US2755887A (en) * | 1956-07-24 | Melamine purification | ||
| US3310558A (en) * | 1967-03-21 | Melamine recovery | ||
| US2890999A (en) * | 1955-11-22 | 1959-06-16 | Exxon Research Engineering Co | Quenching fluid coker vapors |
| US3057700A (en) * | 1959-10-12 | 1962-10-09 | Chemical Construction Corp | Phosphoric acid process |
| US3116348A (en) * | 1960-07-27 | 1963-12-31 | Cottrell Res Inc | Gas treating device |
| GB916187A (en) * | 1960-09-05 | 1963-01-23 | Stamicarbon | Process for the preparation of pure melamine |
-
1964
- 1964-02-11 US US344020A patent/US3290308A/en not_active Expired - Lifetime
-
1965
- 1965-02-05 GB GB5208/65A patent/GB1101861A/en not_active Expired
- 1965-02-09 FR FR4807A patent/FR1451252A/fr not_active Expired
- 1965-02-10 SE SE1689/65A patent/SE308117B/xx unknown
- 1965-02-10 NL NL6501633A patent/NL6501633A/xx unknown
- 1965-02-11 BE BE659588D patent/BE659588A/xx unknown
- 1965-02-11 DE DE1965C0035077 patent/DE1545656A1/de active Pending
-
1966
- 1966-04-29 US US546408A patent/US3451787A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3451787A (en) | 1969-06-24 |
| NL6501633A (ru) | 1965-08-12 |
| US3290308A (en) | 1966-12-06 |
| SE308117B (ru) | 1969-02-03 |
| GB1101861A (en) | 1968-01-31 |
| DE1545656A1 (de) | 1969-06-26 |
| FR1451252A (fr) | 1966-01-07 |