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

Families Citing this family (18)

* 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
WO2017103125A1 (de) 2015-12-18 2017-06-22 Heraeus Quarzglas Gmbh & Co. Kg Sprühgranulieren von siliziumdioxid bei der herstellung von quarzglas
EP3390303B1 (de) 2015-12-18 2024-02-07 Heraeus Quarzglas GmbH & Co. KG Herstellung von quarzglaskörpern mit taupunktkontrolle im schmelzofen
EP3390302B1 (de) 2015-12-18 2023-09-20 Heraeus Quarzglas GmbH & Co. KG Herstellung eines quarzglaskörpers in einem schmelztiegel aus refraktärmetall
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
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
EP3390293B1 (de) 2015-12-18 2023-04-19 Heraeus Quarzglas GmbH & Co. KG Erhöhen des siliziumgehalts bei der herstellung von quarzglas
EP3390290B1 (de) 2015-12-18 2023-03-15 Heraeus Quarzglas GmbH & Co. KG Herstellung eines opaken quarzglaskörpers
EP3390305B1 (de) 2015-12-18 2023-11-15 Heraeus Quarzglas GmbH & Co. KG Herstellung von quarzglaskörpern aus siliziumdioxidgranulat
EP3390308B1 (de) 2015-12-18 2024-08-28 Heraeus Quarzglas GmbH & Co. KG Glasfasern aus quarzglas mit geringem oh-, cl- und al-gehalt
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

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

Also Published As

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

Similar Documents

Publication Publication Date Title
BR8000517A (pt) Processo para a producao dirigida de acido silicico por meio de hidrofise chamejante
FR2567505B1 (fr) Silice a prise d'huile elevee et a structure primaire controlee et procede pour son obtention
BR8102491A (pt) Acido silicico obtido por pirogenacao e processo para a sua obtencao
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
BR7701394A (pt) Processo para a fabricacao de acido fosforico a partir de fosfato mineral
YU43296B (en) Process for the purification of phosphoric acid obtained by the wet method
BR7602310A (pt) Processo para a producao de amida de acido nicotinico a partir de nitrila de acido nicotinico por hidrolise
BR8002779A (pt) Processo de preparacao de acido fosforico por via umida
BR8406959A (pt) Processo para producao de acido fosforico
GB990918A (en) Improvements in the production of phosphine
BR7905157A (pt) Processo para producao de isopropenil-fenol por decomposicao termica de oligomeros de isopropenil-fenol
BR7902047A (pt) Processo para fabricacao de acido salicilico puro
BR8000385A (pt) Processo de purificacao de um acido fosforico impuro
ATE73423T1 (de) Verfahren zur herstellung von kieselsaeuren.
BR7708375A (pt) Processo para a purificacao de acido fosforico obtido por via umida
GB1040462A (en) A process for the manufacture of wet-precipitated silica
BR8008447A (pt) Processo de producao de acido fosforico a umido
PT94127A (pt) Processo para a producao de 2-oxindol-1-carboxamidas
DK162642C (da) Fremgangsmaade til fremstilling af thiotetronsyre
FR1374364A (fr) Procédé de production de l'acide sulfamique avec utilisation de l'oléum en excès comme milieu réactionnel
ATE51603T1 (de) Verfahren zur herstellung von zeolithen.
IT1136579B (it) Processo per la produzione di acido l-aspartico usando microorganismi immobilizzati
JPS56149322A (en) Manufacture of alpha-type hemihydrate gypsum
IT1109503B (it) Processo per il trattamento di acido fosforico ottenuto mediante processo a umido