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

    • 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
    • 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
    • C01P2006/12—Surface area
    • 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
    • C01P2006/22—Rheological 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 (enExample)
JP (1) JPS55104912A (enExample)
AT (2) ATE4303T1 (enExample)
BE (1) BE881534A (enExample)
BR (1) BR8000517A (enExample)
CA (1) CA1179477A (enExample)
CH (1) CH642931A5 (enExample)
DE (2) DE2904199A1 (enExample)
FR (1) FR2447887A1 (enExample)
GB (1) GB2044738B (enExample)
IT (1) IT7969244A0 (enExample)
LU (1) LU81909A1 (enExample)
NL (1) NL7908270A (enExample)
SE (1) SE8000877L (enExample)

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
CN108698890A (zh) 2015-12-18 2018-10-23 贺利氏石英玻璃有限两合公司 利用在熔融烘箱中的露点监测制备石英玻璃体
TWI808933B (zh) 2015-12-18 2023-07-21 德商何瑞斯廓格拉斯公司 石英玻璃體、二氧化矽顆粒、光導、施照體、及成型體及其製備方法
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
US11299417B2 (en) 2015-12-18 2022-04-12 Heraeus Quarzglas Gmbh & Co. Kg Preparation of a quartz glass body in a melting crucible of refractory metal
CN108698892A (zh) 2015-12-18 2018-10-23 贺利氏石英玻璃有限两合公司 从二氧化硅颗粒制备石英玻璃体
CN108698888A (zh) 2015-12-18 2018-10-23 贺利氏石英玻璃有限两合公司 在石英玻璃制备中作为中间物的经碳掺杂的二氧化硅颗粒的制备
WO2017103153A1 (de) 2015-12-18 2017-06-22 Heraeus Quarzglas Gmbh & Co. Kg Glasfasern und vorformen aus quarzglas mit geringem oh-, cl- und al-gehalt
CN108698894A (zh) 2015-12-18 2018-10-23 贺利氏石英玻璃有限两合公司 在多腔式烘箱中制备石英玻璃体
KR20180095880A (ko) 2015-12-18 2018-08-28 헤래우스 크바르츠글라스 게엠베하 & 컴파니 케이지 합성 석영 유리 결정립의 제조
KR20180095619A (ko) 2015-12-18 2018-08-27 헤래우스 크바르츠글라스 게엠베하 & 컴파니 케이지 실리카 유리 제조 동안 규소 함량의 증가
WO2025098829A1 (en) 2023-11-08 2025-05-15 Evonik Operations Gmbh Process for manufacturing metal oxides and/or metalloid oxides
CN122180649A (zh) 2023-11-08 2026-06-09 赢创运营有限公司 生产热解金属氧化物和准金属氧化物的方法

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 (enExample) * 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 (enExample) * 1972-09-15 1975-11-28 Lonza Ag

Also Published As

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

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