CA1179477A - Process for the controlled production of silica by means of flame hydrolysis - Google Patents

Process for the controlled production of silica by means of flame hydrolysis

Info

Publication number
CA1179477A
CA1179477A CA000344998A CA344998A CA1179477A CA 1179477 A CA1179477 A CA 1179477A CA 000344998 A CA000344998 A CA 000344998A CA 344998 A CA344998 A CA 344998A CA 1179477 A CA1179477 A CA 1179477A
Authority
CA
Canada
Prior art keywords
water vapour
flame hydrolysis
silica
flame
fed
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
Application number
CA000344998A
Other languages
English (en)
French (fr)
Inventor
Rudolf Schwarz
Peter Kleinschmit
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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 Degussa GmbH filed Critical Degussa GmbH
Application granted granted Critical
Publication of CA1179477A publication Critical patent/CA1179477A/en
Expired legal-status Critical Current

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
    • 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
    • C01P2006/22Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
CA000344998A 1979-02-05 1980-02-04 Process for the controlled production of silica by means of flame hydrolysis Expired CA1179477A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP2904199.4-41 1979-02-05
DE19792904199 DE2904199A1 (de) 1979-02-05 1979-02-05 Verfahren zur gelenkten herstellung von kieselsaeure mittels flammenhydrolyse

Publications (1)

Publication Number Publication Date
CA1179477A true CA1179477A (en) 1984-12-18

Family

ID=6062146

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000344998A Expired CA1179477A (en) 1979-02-05 1980-02-04 Process for the controlled production of silica by means of flame hydrolysis

Country Status (14)

Country Link
EP (1) EP0015315B1 (Direct)
JP (1) JPS55104912A (Direct)
AT (2) ATE4303T1 (Direct)
BE (1) BE881534A (Direct)
BR (1) BR8000517A (Direct)
CA (1) CA1179477A (Direct)
CH (1) CH642931A5 (Direct)
DE (2) DE2904199A1 (Direct)
FR (1) FR2447887A1 (Direct)
GB (1) GB2044738B (Direct)
IT (1) IT7969244A0 (Direct)
LU (1) LU81909A1 (Direct)
NL (1) NL7908270A (Direct)
SE (1) SE8000877L (Direct)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3016010C2 (de) * 1980-04-25 1985-01-10 Degussa Ag, 6000 Frankfurt Verfahren zur pyrogenen Herstellung von Kieselsäure
DE3028364C2 (de) * 1980-07-26 1983-07-21 Degussa Ag, 6000 Frankfurt Verfahren und Vorrichtung zur pyrogenen Herstellung von Siliciumdioxid
JPS5788020A (en) * 1980-11-14 1982-06-01 Ube Ind Ltd Manufacture of very finely grained anhydrous silica
GB8905966D0 (en) * 1989-03-15 1989-04-26 Tsl Group Plc Improved vitreous silica products
DE10163939A1 (de) * 2001-12-22 2003-07-10 Degussa Schicht erhalten aus einer wässerigen Dispersion enthaltend flammenhydrolytisch hergestelltes Silicium-Titan-Mischoxidpulver
DE10312970A1 (de) * 2003-03-24 2004-10-14 Degussa Ag Pyrogenes Siliciumdioxidpulver und Dispersion hiervon
DE10326049A1 (de) * 2003-06-10 2004-12-30 Degussa Ag Flammenhydrolytisch hergestelltes Siliciumdioxid, Verfahren zu seiner Herstellung und Verwendung
DE102005001408A1 (de) * 2005-01-12 2006-07-20 Degussa Ag Pyrogen hergestelltes Siliciumdioxidpulver
WO2017103115A2 (de) 2015-12-18 2017-06-22 Heraeus Quarzglas Gmbh & Co. Kg Herstellung eines quarzglaskörpers in einem schmelztiegel aus refraktärmetall
TWI733723B (zh) 2015-12-18 2021-07-21 德商何瑞斯廓格拉斯公司 不透明石英玻璃體的製備
WO2017103123A2 (de) 2015-12-18 2017-06-22 Heraeus Quarzglas Gmbh & Co. Kg Herstellung von quarzglaskörpern mit taupunktkontrolle im schmelzofen
WO2017103131A1 (de) 2015-12-18 2017-06-22 Heraeus Quarzglas Gmbh & Co. Kg Verringern des erdalkalimetallgehalts von siliziumdioxidgranulat durch behandlung von kohlenstoffdotiertem siliziumdioxidgranulat bei hoher temperatur
US11053152B2 (en) 2015-12-18 2021-07-06 Heraeus Quarzglas Gmbh & Co. Kg Spray granulation of silicon dioxide in the preparation of quartz glass
US10618833B2 (en) 2015-12-18 2020-04-14 Heraeus Quarzglas Gmbh & Co. Kg Preparation of a synthetic quartz glass grain
US11952303B2 (en) 2015-12-18 2024-04-09 Heraeus Quarzglas Gmbh & Co. Kg Increase in silicon content in the preparation of quartz glass
US10676388B2 (en) 2015-12-18 2020-06-09 Heraeus Quarzglas Gmbh & Co. Kg Glass fibers and pre-forms made of homogeneous quartz glass
TW201731782A (zh) 2015-12-18 2017-09-16 何瑞斯廓格拉斯公司 在多腔式爐中製備石英玻璃體
EP3390305B1 (de) 2015-12-18 2023-11-15 Heraeus Quarzglas GmbH & Co. KG Herstellung von quarzglaskörpern aus siliziumdioxidgranulat
WO2025098830A1 (en) 2023-11-08 2025-05-15 Evonik Operations Gmbh Process for producing pyrogenic metal oxides and metalloid oxides
WO2025098829A1 (en) 2023-11-08 2025-05-15 Evonik Operations Gmbh Process for manufacturing metal oxides and/or metalloid oxides

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1967235A (en) * 1931-09-08 1934-07-24 Karl A Ferkel Method and apparatus for production of metal oxides
CH221309A (de) * 1941-12-03 1942-05-31 Hans Dr Preis Verfahren und Vorrichtung zur Herstellung eines fein verteilten Oxydes derjenigen Elemente der Gruppe IVa des periodischen Systems, welche zur Bildung flüchtiger Chloride befähigt sind.
US2488440A (en) * 1946-11-30 1949-11-15 Du Pont Titanium dioxide pigment production
US3130008A (en) * 1949-11-23 1964-04-21 Cabot Corp Method of preparing metallic oxides by hydrolysis of metallic halides
DE974723C (de) * 1950-10-02 1961-04-13 Albrecht-Wolf Mantzel Fahrzeugrad mit ringfoermigen, elastischen Zwischengliedern
BE508951A (Direct) * 1951-02-07
DE952891C (de) * 1954-01-23 1956-11-22 Degussa Verfahren zur Herstellung von feinverteilten Metalloxyden und deren Gemischen
US2990249A (en) * 1958-10-09 1961-06-27 Degussa Process of preparing finely divided oxides by hydrolysis
GB1211702A (en) * 1966-12-08 1970-11-11 Unilever Ltd Fine particles
US3660025A (en) * 1970-07-01 1972-05-02 Cities Service Co Manufacture of pigmentary silica
BE790704A (fr) * 1971-10-28 1973-02-15 Degussa Procede pour la fabrication d'oxydes finement
CH569670A5 (Direct) * 1972-09-15 1975-11-28 Lonza Ag

Also Published As

Publication number Publication date
ATA60480A (de) 1984-08-15
BE881534A (fr) 1980-08-04
CH642931A5 (de) 1984-05-15
GB2044738B (en) 1983-05-11
LU81909A1 (de) 1980-04-22
DE2966007D1 (en) 1983-09-01
EP0015315B1 (de) 1983-07-27
FR2447887A1 (fr) 1980-08-29
BR8000517A (pt) 1980-10-14
DE2904199A1 (de) 1980-08-07
JPS55104912A (en) 1980-08-11
JPS6335567B2 (Direct) 1988-07-15
NL7908270A (nl) 1980-08-07
IT7969244A0 (it) 1979-11-20
EP0015315A1 (de) 1980-09-17
GB2044738A (en) 1980-10-22
ATE4303T1 (de) 1983-08-15
SE8000877L (sv) 1980-08-06
FR2447887B1 (Direct) 1984-09-07

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Legal Events

Date Code Title Description
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