NL7908270A - Werkwijze voor de gestuurde bereiding van kiezelzuur met behulp van vlamhydrolyse. - Google Patents

Werkwijze voor de gestuurde bereiding van kiezelzuur met behulp van vlamhydrolyse. Download PDF

Info

Publication number
NL7908270A
NL7908270A NL7908270A NL7908270A NL7908270A NL 7908270 A NL7908270 A NL 7908270A NL 7908270 A NL7908270 A NL 7908270A NL 7908270 A NL7908270 A NL 7908270A NL 7908270 A NL7908270 A NL 7908270A
Authority
NL
Netherlands
Prior art keywords
water vapor
thickening
flame
hydrogen
silicas
Prior art date
Application number
NL7908270A
Other languages
English (en)
Dutch (nl)
Original Assignee
Degussa
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 filed Critical Degussa
Publication of NL7908270A publication Critical patent/NL7908270A/nl

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)
NL7908270A 1979-02-05 1979-11-12 Werkwijze voor de gestuurde bereiding van kiezelzuur met behulp van vlamhydrolyse. NL7908270A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2904199 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
NL7908270A true NL7908270A (nl) 1980-08-07

Family

ID=6062146

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7908270A NL7908270A (nl) 1979-02-05 1979-11-12 Werkwijze voor de gestuurde bereiding van kiezelzuur met behulp van vlamhydrolyse.

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
CN108698887B (zh) 2015-12-18 2022-01-21 贺利氏石英玻璃有限两合公司 由均质石英玻璃制得的玻璃纤维和预成形品
CN108698885A (zh) 2015-12-18 2018-10-23 贺利氏石英玻璃有限两合公司 石英玻璃制备中硅含量的提升
EP3390304B1 (de) 2015-12-18 2023-09-13 Heraeus Quarzglas GmbH & Co. KG Sprühgranulieren von siliziumdioxid bei der herstellung von quarzglas
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
WO2017103123A2 (de) 2015-12-18 2017-06-22 Heraeus Quarzglas Gmbh & Co. Kg Herstellung von quarzglaskörpern mit taupunktkontrolle im schmelzofen
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
JP6881777B2 (ja) 2015-12-18 2021-06-02 ヘレウス クワルツグラス ゲーエムベーハー ウント コンパニー カーゲー 合成石英ガラス粒の調製
TWI720090B (zh) 2015-12-18 2021-03-01 德商何瑞斯廓格拉斯公司 於石英玻璃之製備中作為中間物之經碳摻雜二氧化矽顆粒的製備
TWI794150B (zh) 2015-12-18 2023-03-01 德商何瑞斯廓格拉斯公司 自二氧化矽顆粒製備石英玻璃體
JP6881776B2 (ja) 2015-12-18 2021-06-02 ヘレウス クワルツグラス ゲーエムベーハー ウント コンパニー カーゲー 不透明石英ガラス体の調製
WO2025098829A1 (en) 2023-11-08 2025-05-15 Evonik Operations Gmbh Process for manufacturing metal oxides and/or metalloid oxides
WO2025098830A1 (en) 2023-11-08 2025-05-15 Evonik Operations Gmbh Process for producing pyrogenic metal oxides and 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 (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
EP0015315B1 (de) 1983-07-27
CA1179477A (en) 1984-12-18
ATE4303T1 (de) 1983-08-15
CH642931A5 (de) 1984-05-15
LU81909A1 (de) 1980-04-22
DE2904199A1 (de) 1980-08-07
ATA60480A (de) 1984-08-15
JPS55104912A (en) 1980-08-11
DE2966007D1 (en) 1983-09-01
JPS6335567B2 (enExample) 1988-07-15
EP0015315A1 (de) 1980-09-17
IT7969244A0 (it) 1979-11-20
FR2447887B1 (enExample) 1984-09-07
SE8000877L (sv) 1980-08-06
BR8000517A (pt) 1980-10-14
GB2044738B (en) 1983-05-11
GB2044738A (en) 1980-10-22
FR2447887A1 (fr) 1980-08-29
BE881534A (fr) 1980-08-04

Similar Documents

Publication Publication Date Title
NL7908270A (nl) Werkwijze voor de gestuurde bereiding van kiezelzuur met behulp van vlamhydrolyse.
US5976480A (en) Pyrogenic silica, process for the production thereof and use
US6613300B2 (en) Doped, pyrogenically prepared oxides
KR100644313B1 (ko) 화염 가수분해에 의해서 생성된 훈증 실리카, 그의제조방법 및 그의 용도
US2819151A (en) Process for burning silicon fluorides to form silica
US6696034B2 (en) Method for producing hydrophobic silica fine powder
JPS5854085B2 (ja) 二酸化ケイ素の製造方法
US3924029A (en) Method of modifying the surface properties of finely divided metal oxides
JPS6354642B2 (enExample)
KR101146863B1 (ko) 화염 가수분해에 의해 제조된 규소-티탄 혼합 산화물 분말
NO160649B (no) Anordning til laasing av en kabel med kause, kjetting eller lignende.
US5372795A (en) Process for hydrophobicizing of pyrogenic silica
JP4440157B2 (ja) 熱分解法により製造された二酸化ケイ素粉末
JPS6015569B2 (ja) 二酸化珪素を熱分解的に製造するための装置
US6749823B2 (en) Method for producing hydrophobic silica fine powder
US4565682A (en) Process for producing pyrogenic silicic acid with increased thickening effect
US6322765B1 (en) Process for preparing silicon dioxide
JP2889202B2 (ja) 高分散性二酸化珪素の製造法
JP3270448B2 (ja) 二酸化珪素を含有するグリコール
US6524548B1 (en) Zirconium dioxide powder, method of its production and use
CN110139830B (zh) 生产气相二氧化硅的方法
US3164442A (en) Flame synthesis of finely divided aluminum borates and phosphates
EP1148101A1 (en) Production of hydrophobic silica fine powder
US969885A (en) Process of making sodium cyanid.
TH55727B (th) ผงซิลิคอน ไดออกไซด์ที่ถูกผลิตขึ้นแบบไพโรจีนิคอล

Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: DEGUSSA AKTIENGESELLSCHAFT

BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed