FR1308830A - Improvements in processes for collecting finely divided silica obtained by reacting fluorinated silicon compounds with water in the gas phase - Google Patents
Improvements in processes for collecting finely divided silica obtained by reacting fluorinated silicon compounds with water in the gas phaseInfo
- Publication number
- FR1308830A FR1308830A FR877925A FR877925A FR1308830A FR 1308830 A FR1308830 A FR 1308830A FR 877925 A FR877925 A FR 877925A FR 877925 A FR877925 A FR 877925A FR 1308830 A FR1308830 A FR 1308830A
- Authority
- FR
- France
- Prior art keywords
- processes
- water
- gas phase
- finely divided
- silicon compounds
- 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
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
- C01B33/181—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
- C01B33/183—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by oxidation or hydrolysis in the vapour phase of silicon compounds such as halides, trichlorosilane, monosilane
- C01B33/184—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by oxidation or hydrolysis in the vapour phase of silicon compounds such as halides, trichlorosilane, monosilane by hydrolysis of tetrafluoride
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR877925A FR1308830A (en) | 1961-11-03 | 1961-11-03 | Improvements in processes for collecting finely divided silica obtained by reacting fluorinated silicon compounds with water in the gas phase |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR877925A FR1308830A (en) | 1961-11-03 | 1961-11-03 | Improvements in processes for collecting finely divided silica obtained by reacting fluorinated silicon compounds with water in the gas phase |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1308830A true FR1308830A (en) | 1962-11-09 |
Family
ID=8766010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR877925A Expired FR1308830A (en) | 1961-11-03 | 1961-11-03 | Improvements in processes for collecting finely divided silica obtained by reacting fluorinated silicon compounds with water in the gas phase |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1308830A (en) |
-
1961
- 1961-11-03 FR FR877925A patent/FR1308830A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1268141A (en) | Vehicle for travel over water | |
FR945581A (en) | Improvements to processes and installations for the distillation of water | |
FR1153288A (en) | Improvements to water separators | |
FR1268934A (en) | Improvements to vehicles for traveling over land or water | |
FR1385352A (en) | Improvements in processes for the halogenation of tetracycline-type compounds | |
BE609721A (en) | Method of recovering finely divided silicon dioxide obtained by reacting compounds of silicon and fluorine in the gas phase with water | |
FR1073309A (en) | Improvements in processes for the production of hydrogen by catalytic reduction of water vapor using hydrocarbons | |
BE590113A (en) | Improvements to devices for moving on the water. | |
FR1308830A (en) | Improvements in processes for collecting finely divided silica obtained by reacting fluorinated silicon compounds with water in the gas phase | |
BE609232A (en) | Improvements to cast iron refining processes | |
BE591019A (en) | Improvement of heavy water preparation processes by monothermal isotopic exchange NH <3> -H <2> | |
BE604330R (en) | Improvements to water heating devices | |
FR1193669A (en) | Process for the purification of hydrogen peroxide | |
CH344044A (en) | Process for the purification of precipitated, finely divided silica | |
FR1335019A (en) | Improvement to silencers for the flow of fluids | |
FR69884E (en) | Obturator for tubes that guide water | |
FR1183095A (en) | Improvements to devices for the manufacture of pneumatic envelopes | |
FR1276546A (en) | Improvements to vehicles keeping themselves lifted above ground or water | |
BE610176A (en) | Process for the manufacture of a flexible pipe. | |
FR1308443A (en) | Process for the wet purification of dust-laden gases | |
FR1246855A (en) | Improvements to air blowing tubes for converter heads | |
FR1262615A (en) | Improvements in processes for the production of iodine-131 from tellurium compounds | |
FR67673E (en) | Improvements to water clarification installations | |
FR1218287A (en) | Improvements to water refrigerators for compressed air | |
FR1308001A (en) | Improvement to pneumatic hammer drills going to the bottom of the tron |