BE549818A - - Google Patents

Info

Publication number
BE549818A
BE549818A BE549818DA BE549818A BE 549818 A BE549818 A BE 549818A BE 549818D A BE549818D A BE 549818DA BE 549818 A BE549818 A BE 549818A
Authority
BE
Belgium
Prior art keywords
bed
sep
oxygen
reaction
gases
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE549818A publication Critical patent/BE549818A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/181Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
    • C01B33/183Preparation 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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/90Other properties not specified above

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
BE549818D BE549818A (enEXAMPLES)

Publications (1)

Publication Number Publication Date
BE549818A true BE549818A (enEXAMPLES)

Family

ID=175919

Family Applications (1)

Application Number Title Priority Date Filing Date
BE549818D BE549818A (enEXAMPLES)

Country Status (1)

Country Link
BE (1) BE549818A (enEXAMPLES)

Similar Documents

Publication Publication Date Title
US5340560A (en) Method for making fumed silica having a reduced aggregate size and product
JP5661103B2 (ja) 高純度シリコン含有生成物および製造方法
JP2010502554A (ja) ゾル−ゲル法
JP2005531475A (ja) 高純度シリカ粉末、その製造方法及び製造装置
MX2007010811A (es) Proceso para la produccion de monolitos por medio del proceso de sol-gel invertido.
JP2017210403A (ja) 細孔を含む不透明石英ガラスの製造方法
CA1103001A (fr) Procede de decomposition thermique du chlorure d'aluminium hexa-hydrate par chauffage indirect
US3933984A (en) Process of manufacturing whisker crystalline silicon carbide
JP4440157B2 (ja) 熱分解法により製造された二酸化ケイ素粉末
BE549818A (enEXAMPLES)
JP4315365B2 (ja) 炭素微小球の製造方法
FR2518986A1 (fr) Procede de preparation d'alumines de haute purete a partir de solutions impures de chlorure d'aluminium
US20080308970A1 (en) Process for melting silicon powders
Friedlander Synthesis of nanoparticles and their agglomerates: aerosol reactors
JPH0476357B2 (enEXAMPLES)
Wang et al. Synthesis and characterization of carbon spheres prepared by chemical vapour deposition
EP0451021B1 (fr) Procédé de formation d'oxyde de calcium
US3211527A (en) Process for producing ultrafine silicon nitride
EP0644155A1 (fr) Procédé de préparation en continu de nitrure d'aluminium par carbonitruration d'alumine dans un réacteur à lit coulant
RU2570065C1 (ru) Способ получения микрошариков из кварца (варианты) и варианты их применения
JP2510928B2 (ja) 高純度シリカビ―ズの製造方法
JPH08253364A (ja) サイアロンの製造方法
Xu et al. Preparation of spherical AlN powders by combined microemulsion method and carbothermal method
JP3767672B2 (ja) 疎水性二酸化珪素微粉末の製造方法
CA2935056C (en) Process for the production of silicon dioxide particles