CH519439A - Verfahren zur Herstellung von feinstteiligem Siliciumdioxid - Google Patents
Verfahren zur Herstellung von feinstteiligem SiliciumdioxidInfo
- Publication number
- CH519439A CH519439A CH1468371A CH1468371A CH519439A CH 519439 A CH519439 A CH 519439A CH 1468371 A CH1468371 A CH 1468371A CH 1468371 A CH1468371 A CH 1468371A CH 519439 A CH519439 A CH 519439A
- Authority
- CH
- Switzerland
- Prior art keywords
- hydrocarbon
- sio2
- icles
- preparation
- liquid
- Prior art date
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
- B01J15/00—Chemical processes in general for reacting gaseous media with non-particulate solids, e.g. sheet material; Apparatus specially adapted therefor
-
- 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
-
- 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
-
- 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
- C01B33/182—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by reduction of a siliceous material, e.g. with a carbonaceous reducing agent and subsequent oxidation of the silicon monoxide formed
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/053—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 30% but less than 40%
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3405—Arrangements for stabilising or constricting the arc, e.g. by an additional gas flow
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/42—Plasma torches using an arc with provisions for introducing materials into the plasma, e.g. powder, liquid
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3452—Supplementary electrodes between cathode and anode, e.g. cascade
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Composite Materials (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Silicon Compounds (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1468371A CH519439A (de) | 1969-03-31 | 1969-03-31 | Verfahren zur Herstellung von feinstteiligem Siliciumdioxid |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH482669A CH519438A (de) | 1969-03-31 | 1969-03-31 | Verfahren zur Herstellung von feinstteiligem Siliciummonoxid |
CH1468371A CH519439A (de) | 1969-03-31 | 1969-03-31 | Verfahren zur Herstellung von feinstteiligem Siliciumdioxid |
Publications (1)
Publication Number | Publication Date |
---|---|
CH519439A true CH519439A (de) | 1972-02-29 |
Family
ID=4283210
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1468371A CH519439A (de) | 1969-03-31 | 1969-03-31 | Verfahren zur Herstellung von feinstteiligem Siliciumdioxid |
CH482669A CH519438A (de) | 1969-03-31 | 1969-03-31 | Verfahren zur Herstellung von feinstteiligem Siliciummonoxid |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH482669A CH519438A (de) | 1969-03-31 | 1969-03-31 | Verfahren zur Herstellung von feinstteiligem Siliciummonoxid |
Country Status (9)
Country | Link |
---|---|
US (2) | US3649189A (de) |
BE (1) | BE747277A (de) |
CA (1) | CA930521A (de) |
CH (2) | CH519439A (de) |
FR (1) | FR2039121A5 (de) |
GB (1) | GB1296891A (de) |
NL (1) | NL7003699A (de) |
NO (1) | NO128652B (de) |
SE (1) | SE359076B (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3899573A (en) * | 1971-10-18 | 1975-08-12 | Exxon Research Engineering Co | Production of fine powders |
US3925177A (en) * | 1973-01-30 | 1975-12-09 | Boeing Co | Method and apparatus for heating solid and liquid particulate material to vaporize or disassociate the material |
US3856918A (en) * | 1973-03-28 | 1974-12-24 | American Cyanamid Co | Process for the beneficiation of titaniferous ores utilizing hot wall continuous plasma reactor |
US4206190A (en) * | 1974-03-11 | 1980-06-03 | Westinghouse Electric Corp. | Plasma arc production of silicon nitride |
US4054641A (en) * | 1976-05-07 | 1977-10-18 | John S. Pennish | Method for making vitreous silica |
US4272488A (en) * | 1977-05-25 | 1981-06-09 | John S. Pennish | Apparatus for producing and casting liquid silicon |
US4176166A (en) * | 1977-05-25 | 1979-11-27 | John S. Pennish | Process for producing liquid silicon |
US4335080A (en) | 1977-08-01 | 1982-06-15 | Thermo Electron Corporation | Apparatus for producing selective particle sized oxide |
US4193851A (en) * | 1978-07-21 | 1980-03-18 | Ppg Industries, Inc. | Silica gels and their formation by electrolysis of silicate solutions |
SE448509B (sv) * | 1982-02-15 | 1987-02-23 | Ceskoslovenska Akademie Ved | Forfarande for stabilisering av lagtemperaturplasma i en ljusbagsbrennare samt vetskestabiliserad plasmabrennare |
US5647279A (en) * | 1992-09-05 | 1997-07-15 | Heidelberger Druckmaschinen Ag | Printing machine roller and method of production thereof |
JP3409294B2 (ja) * | 1996-01-25 | 2003-05-26 | 株式会社豊田中央研究所 | 酸化物粉末の製造方法 |
US6495114B1 (en) | 1999-07-22 | 2002-12-17 | Fina Research, S.A. | Production of silica particles |
FR2916193B1 (fr) * | 2007-05-18 | 2009-08-07 | Commissariat Energie Atomique | Synthese par pyrolyse laser de nanocristaux de silicium. |
CN111453737B (zh) * | 2019-01-22 | 2021-08-03 | 成都博达爱福科技有限公司 | 一种由mq硅树脂制备氧化亚硅的方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1180723B (de) * | 1963-06-28 | 1964-11-05 | Degussa | Verfahren und Vorrichtung zur Herstellung von feinteiliger amorpher Kieselsaeure |
-
1969
- 1969-03-31 CH CH1468371A patent/CH519439A/de not_active IP Right Cessation
- 1969-03-31 CH CH482669A patent/CH519438A/de not_active IP Right Cessation
-
1970
- 1970-03-12 US US18902A patent/US3649189A/en not_active Expired - Lifetime
- 1970-03-12 BE BE747277D patent/BE747277A/xx unknown
- 1970-03-13 GB GB1296891D patent/GB1296891A/en not_active Expired
- 1970-03-16 NL NL7003699A patent/NL7003699A/xx unknown
- 1970-03-18 CA CA077713A patent/CA930521A/en not_active Expired
- 1970-03-24 NO NO01118/70A patent/NO128652B/no unknown
- 1970-03-31 FR FR7011496A patent/FR2039121A5/fr not_active Expired
- 1970-03-31 SE SE04422/70A patent/SE359076B/xx unknown
-
1971
- 1971-12-06 US US00205166A patent/US3733387A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL7003699A (de) | 1970-10-02 |
NO128652B (de) | 1973-12-27 |
US3733387A (en) | 1973-05-15 |
FR2039121A5 (de) | 1971-01-15 |
SE359076B (de) | 1973-08-20 |
DE2008029A1 (de) | 1970-10-15 |
GB1296891A (de) | 1972-11-22 |
CH519438A (de) | 1972-02-29 |
CA930521A (en) | 1973-07-24 |
BE747277A (fr) | 1970-08-17 |
DE2008029B2 (de) | 1976-12-23 |
US3649189A (en) | 1972-03-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH519439A (de) | Verfahren zur Herstellung von feinstteiligem Siliciumdioxid | |
US3567898A (en) | Plasma arc cutting torch | |
NL6411272A (de) | ||
GB1107589A (en) | Process and apparatus for cracking hydrocarbons with an electric arc | |
GB1531461A (en) | Method and apparatus for cooling or freezing articles | |
GB1367625A (en) | Air separation | |
JPS5236534A (en) | Arc welding process for controlling molten pond by gaseous jet stream | |
GB1172203A (en) | Process for the production of Olefins by Thermal Cracking of Hydrocarbons | |
GB1130845A (en) | Method and apparatus for controlling the temperature of metal lances in molten baths | |
GB1062534A (en) | Method of and apparatus for extinguishing burning jets of natural gas or petroleum or the like from bore holes | |
ES421654A1 (es) | Un procedimiento para la produccion de gases por combustionincompleta de un material de alimentacion gaseoso o liquido qeu contiene uno o mas hidrocarburos. | |
JPS5362718A (en) | Manufacture of reduced iron | |
GB1112444A (en) | Plasma gun gas heating process | |
JPS5250972A (en) | Method and apparatus for removing dissolved oxygen | |
Pratt | Electrostatic ignitions in enriched oxygen atmospheres: a case history | |
GB1342997A (en) | Gas scrubbing | |
US1425856A (en) | Process of cutting metals with gaseous fuel | |
GB965454A (en) | Method of and apparatus for adding atomic hydrogen to a combustible gas mixture | |
US2485480A (en) | Electrochemical production of nitrogen oxide | |
GB1164396A (en) | Heating Particulate Material | |
Shapiro et al. | Research Into the Automatic Heating of Plasma-Forming Gas in the Chamber of an Arc Plasmatron in Metal Cutting | |
GB951457A (en) | Process and apparatus for treating boiler feed water | |
FR2036829A1 (en) | Generating electrical arc plasma | |
FR2207961A1 (en) | Carbon prodn by pyrolysis - in a plasma using hydrocarbon gas | |
ES385852A1 (es) | Un procedimiento para la produccion de gas reductor. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |