BR8000517A - Processo para a producao dirigida de acido silicico por meio de hidrofise chamejante - Google Patents

Processo para a producao dirigida de acido silicico por meio de hidrofise chamejante

Info

Publication number
BR8000517A
BR8000517A BR8000517A BR8000517A BR8000517A BR 8000517 A BR8000517 A BR 8000517A BR 8000517 A BR8000517 A BR 8000517A BR 8000517 A BR8000517 A BR 8000517A BR 8000517 A BR8000517 A BR 8000517A
Authority
BR
Brazil
Prior art keywords
hydrophysis
flaming
silicic acid
direct production
flame
Prior art date
Application number
BR8000517A
Other languages
English (en)
Portuguese (pt)
Inventor
R Schwarz
P Kleinschmit
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 BR8000517A publication Critical patent/BR8000517A/pt

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)
BR8000517A 1979-02-05 1980-01-28 Processo para a producao dirigida de acido silicico por meio de hidrofise chamejante BR8000517A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR8000517A true BR8000517A (pt) 1980-10-14

Family

ID=6062146

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8000517A BR8000517A (pt) 1979-02-05 1980-01-28 Processo para a producao dirigida de acido silicico por meio de hidrofise chamejante

Country Status (14)

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

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
CN108698880B (zh) 2015-12-18 2023-05-02 贺利氏石英玻璃有限两合公司 不透明石英玻璃体的制备
EP3390293B1 (de) 2015-12-18 2023-04-19 Heraeus Quarzglas GmbH & Co. KG Erhöhen des siliziumgehalts bei der herstellung von quarzglas
TWI813534B (zh) 2015-12-18 2023-09-01 德商何瑞斯廓格拉斯公司 利用露點監測在熔融烘箱中製備石英玻璃體
US10618833B2 (en) 2015-12-18 2020-04-14 Heraeus Quarzglas Gmbh & Co. Kg Preparation of a synthetic quartz glass grain
TWI788278B (zh) 2015-12-18 2023-01-01 德商何瑞斯廓格拉斯公司 由均質石英玻璃製得之玻璃纖維及預成型品
JP6940235B2 (ja) 2015-12-18 2021-09-22 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 高融点金属の溶融坩堝内での石英ガラス体の調製
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
CN108698883A (zh) 2015-12-18 2018-10-23 贺利氏石英玻璃有限两合公司 石英玻璃制备中的二氧化硅的喷雾造粒
JP7044454B2 (ja) 2015-12-18 2022-03-30 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 石英ガラス調製時の中間体としての炭素ドープ二酸化ケイ素造粒体の調製
JP6981710B2 (ja) 2015-12-18 2021-12-17 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 二酸化ケイ素造粒体からの石英ガラス体の調製
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 (OSRAM) * 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 (OSRAM) * 1972-09-15 1975-11-28 Lonza Ag

Also Published As

Publication number Publication date
FR2447887A1 (fr) 1980-08-29
EP0015315A1 (de) 1980-09-17
SE8000877L (sv) 1980-08-06
NL7908270A (nl) 1980-08-07
ATE4303T1 (de) 1983-08-15
BE881534A (fr) 1980-08-04
ATA60480A (de) 1984-08-15
CH642931A5 (de) 1984-05-15
JPS55104912A (en) 1980-08-11
CA1179477A (en) 1984-12-18
IT7969244A0 (it) 1979-11-20
FR2447887B1 (OSRAM) 1984-09-07
EP0015315B1 (de) 1983-07-27
LU81909A1 (de) 1980-04-22
JPS6335567B2 (OSRAM) 1988-07-15
GB2044738A (en) 1980-10-22
DE2904199A1 (de) 1980-08-07
GB2044738B (en) 1983-05-11
DE2966007D1 (en) 1983-09-01

Similar Documents

Publication Publication Date Title
DE2966007D1 (en) Process for manufacture of silica by flame hydrolysis
PT79793B (de) Verfahren zur herstellung von kristallinen alkalischichtssilikaten
BR8102491A (pt) Acido silicico obtido por pirogenacao e processo para a sua obtencao
BR8000728A (pt) Processo para producao de amidas de acido alfa-hidroxi-carboxilico
ATE119135T1 (de) Verfahren zur hydrothermalen herstellung von kaliumsilikatlösungen mit hohem si02:k20- molverhältnis.
BR8108346A (pt) Processo para preparacao enzimatica de acido l-2-amino-4-metil-fosfinobutirico
YU43296B (en) Process for the purification of phosphoric acid obtained by the wet method
BR7605322A (pt) Processo para a preparacao de acido fosforico de elevado grau de pureza a partir de acido fosforico de processo a umido
BR8001493A (pt) Processo para obtencao de uma zeolita do tipo estrutural zsm-5 e sua aplicaco
BR7701394A (pt) Processo para a fabricacao de acido fosforico a partir de fosfato mineral
BR8000385A (pt) Processo de purificacao de um acido fosforico impuro
BR7602310A (pt) Processo para a producao de amida de acido nicotinico a partir de nitrila de acido nicotinico por hidrolise
BR7904847A (pt) Processo para a producao de triesteres de acido fosforico
BR8002779A (pt) Processo de preparacao de acido fosforico por via umida
BR7902047A (pt) Processo para fabricacao de acido salicilico puro
GB1040462A (en) A process for the manufacture of wet-precipitated silica
BR8008447A (pt) Processo de producao de acido fosforico a umido
BR8402253A (pt) Processo para a preparacao de esteres de acido ariloxifenoxi propanoico
SE7702612L (sv) Forfarande for framstellning av hogdispers kiseldioxid med forsterkt fortjockningsverken
GB1527155A (en) Preparing alkali metal silicate glass
DE3768422D1 (de) Verfahren zur herstellung von beta-hydroxybutyrsaeure und ihren salzen durch hydrolyse der oligomere der beta-hydroxybutyrsaeure in basischem milieu.
DK162766C (da) Fremgangsmaade til fremstilling af thiotetronsyre
BR8007619A (pt) Processo para a preparacao de amida do acido 3-cianopropionico
JPS5536323A (en) Production of heat resistant carbon fiber
ATE51603T1 (de) Verfahren zur herstellung von zeolithen.