BE769291A - Procede de fractionnement d'aerosols de silice - Google Patents

Procede de fractionnement d'aerosols de silice

Info

Publication number
BE769291A
BE769291A BE769291A BE769291A BE769291A BE 769291 A BE769291 A BE 769291A BE 769291 A BE769291 A BE 769291A BE 769291 A BE769291 A BE 769291A BE 769291 A BE769291 A BE 769291A
Authority
BE
Belgium
Prior art keywords
fractionation process
aerosols
silica
silica aerosols
fractionation
Prior art date
Application number
BE769291A
Other languages
English (en)
Inventor
G L Decuir
Original Assignee
Cities Service Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cities Service Co filed Critical Cities Service Co
Publication of BE769291A publication Critical patent/BE769291A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/28—Compounds of silicon
    • C09C1/30—Silicic acid
    • C09C1/3009—Physical treatment, e.g. grinding; treatment with ultrasonic vibrations
    • 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
    • C01P2004/50—Agglomerated particles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
  • Colloid Chemistry (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
BE769291A 1970-07-01 1971-06-30 Procede de fractionnement d'aerosols de silice BE769291A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5163370A 1970-07-01 1970-07-01

Publications (1)

Publication Number Publication Date
BE769291A true BE769291A (fr) 1971-11-03

Family

ID=21972473

Family Applications (1)

Application Number Title Priority Date Filing Date
BE769291A BE769291A (fr) 1970-07-01 1971-06-30 Procede de fractionnement d'aerosols de silice

Country Status (8)

Country Link
US (1) US3645684A (fr)
JP (1) JPS525479B1 (fr)
BE (1) BE769291A (fr)
DE (1) DE2132426A1 (fr)
FR (1) FR2098118A5 (fr)
GB (1) GB1331375A (fr)
NL (1) NL7109020A (fr)
SE (1) SE376897B (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859420A (en) * 1969-12-18 1975-01-07 Degussa Process of making super-dry silicon dioxide
US4036933A (en) * 1974-01-18 1977-07-19 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler Highly-active, finely divided super-dry silicon dioxide
US4036938A (en) * 1975-08-28 1977-07-19 Reed Richard S Production of high purity hydrogen fluoride from silicon tetrafluoride
PH11878A (en) * 1976-04-27 1978-08-11 Elkem Spigerverket As Method of compacting silica dust
NO761434L (no) * 1976-04-27 1977-10-28 Elkem Spigerverket As Fremgangsm}te for ¦kning av volumvekten av silikast¦v
US4508538A (en) * 1977-01-24 1985-04-02 The Dow Chemical Company Recovery of fumed SiO2
JPS53106071U (fr) * 1977-02-01 1978-08-25
US4318771A (en) * 1980-07-16 1982-03-09 Glatt Maschinen-Und Apparatebau Ag Device for the formation of granulated or agglomerated substances
SE431197B (sv) * 1980-12-12 1984-01-23 Flemmert Goesta Lennart Sett att genom hydrolys av kiseltetrafluorid i en laga framstella hogaktiv kiseldioxid med en partikelstorlek av 5-50 nm
US5340560A (en) * 1993-04-30 1994-08-23 General Electric Company Method for making fumed silica having a reduced aggregate size and product
JP4168154B2 (ja) * 1998-03-11 2008-10-22 古河電気工業株式会社 ＳｉＯ２回収設備及びそのＳｉＯ２の回収方法
JP5396954B2 (ja) * 2008-03-24 2014-01-22 三菱マテリアル株式会社 クロロシランの精製装置及びクロロシラン製造方法
US10010870B2 (en) 2015-11-12 2018-07-03 Saudi Arabian Oil Company Synthesis of catalytic materials for metathesis and isomerization reactions and other catalytic applications via well controlled aerosol processing
US9969621B2 (en) * 2016-05-04 2018-05-15 Saudi Arabian Oil Company Methods for processing fumed metallic oxides
KR20200039769A (ko) 2017-08-17 2020-04-16 사우디 아라비안 오일 컴퍼니 촉매를 생성하기 위한 표면 종의 제어된 코팅을 위한 에어로졸 처리 방법
US11369950B2 (en) 2018-02-21 2022-06-28 Saudi Arabian Oil Company Multi-functional composite catalyst materials and methods of synthesizing the catalyst materials
US11033892B2 (en) 2019-01-24 2021-06-15 Saudi Arabian Oil Company Methods for reacting chemical streams with catalysts comprising silica, alumina, and tungsten
CN112390261A (zh) * 2019-08-13 2021-02-23 斯特里特技术有限公司 气相二氧化硅颗粒分离脱氢的系统和方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE609721A (fr) * 1960-11-03 1962-02-15 Goesta Lennart Flemmert Méthode de récupération du bioxyde de silicium finement divisé obtenu en faisant réagir en phase gazeuse des composés de silicium et de fluor avec de l'eau
US3233969A (en) * 1961-05-29 1966-02-08 Columbian Carbon Process for producing pigmentary silica
US3273963A (en) * 1963-01-17 1966-09-20 Columbian Carbon Process for generating silicon tetrafluoride

Also Published As

Publication number Publication date
JPS525479B1 (fr) 1977-02-14
FR2098118A5 (fr) 1972-03-03
DE2132426A1 (de) 1972-01-05
GB1331375A (en) 1973-09-26
SE376897B (fr) 1975-06-16
US3645684A (en) 1972-02-29
NL7109020A (fr) 1972-01-04

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