BE834651A - Procede pour la preparation d'oxydes finement divises de metaux et/ou de silicium et produits obtenus - Google Patents

Procede pour la preparation d'oxydes finement divises de metaux et/ou de silicium et produits obtenus

Info

Publication number
BE834651A
BE834651A BE6045225A BE6045225A BE834651A BE 834651 A BE834651 A BE 834651A BE 6045225 A BE6045225 A BE 6045225A BE 6045225 A BE6045225 A BE 6045225A BE 834651 A BE834651 A BE 834651A
Authority
BE
Belgium
Prior art keywords
metals
silicon
preparation
products obtained
finally divided
Prior art date
Application number
BE6045225A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE834651A publication Critical patent/BE834651A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/20—Methods for preparing oxides or hydroxides in general by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state
    • C01B13/22—Methods for preparing oxides or hydroxides in general by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state of halides or oxyhalides
    • C01B13/30—Removal and cooling of the oxide-containing suspension
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
    • C01F7/302—Hydrolysis or oxidation of gaseous aluminium compounds in the gaseous phase
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/07—Producing by vapour phase processes, e.g. halide oxidation
    • C01G23/075—Evacuation and cooling of the gaseous suspension containing the oxide; Desacidification and elimination of gases occluded in the separated oxide
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Silicon Compounds (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Investigating And Analyzing Materials By Characteristic Methods (AREA)
BE6045225A 1975-07-30 1975-10-17 Procede pour la preparation d'oxydes finement divises de metaux et/ou de silicium et produits obtenus BE834651A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2533925A DE2533925C3 (de) 1975-07-30 1975-07-30 Verfahren zur Herstellung von feinstteiligen Oxiden von Metallen und/oder des Siliciums

Publications (1)

Publication Number Publication Date
BE834651A true BE834651A (fr) 1976-04-20

Family

ID=5952748

Family Applications (1)

Application Number Title Priority Date Filing Date
BE6045225A BE834651A (fr) 1975-07-30 1975-10-17 Procede pour la preparation d'oxydes finement divises de metaux et/ou de silicium et produits obtenus

Country Status (15)

Country Link
US (1) US4276274A (xx)
JP (1) JPS5216497A (xx)
AT (1) AT339866B (xx)
BE (1) BE834651A (xx)
CH (1) CH615892A5 (xx)
DE (1) DE2533925C3 (xx)
DK (1) DK145890C (xx)
FI (1) FI61854C (xx)
FR (1) FR2319575A1 (xx)
GB (1) GB1513890A (xx)
IT (1) IT1047224B (xx)
NL (1) NL180199C (xx)
NO (1) NO138996C (xx)
SE (1) SE410963B (xx)
SU (1) SU957758A3 (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2849851C3 (de) * 1978-11-17 1981-11-05 Degussa Ag, 6000 Frankfurt Verfahren zur pyrogenen Herstellung von feinstteiligem Oxid eines Metalls und/oder eines Metalloids
DE2923064A1 (de) * 1979-06-07 1980-12-11 Degussa Verfahren zur herstellung feinstteiliger oxide von metallen
DE2923182A1 (de) * 1979-06-08 1980-12-18 Degussa Verfahren zur pyrogenen herstellung von feinstteiligem oxid eines matalls und/oder eines metalloids
DE2931585A1 (de) * 1979-08-03 1981-02-12 Degussa Temperaturstabilisiertes, pyrogen hergestelltes aluminiumoxid-mischoxid, das verfahren zu seiner herstellung und verwendung
DE3101720C2 (de) * 1981-01-21 1982-11-04 Degussa Ag, 6000 Frankfurt Verfahren zur Entfernung von Halogen aus den Reaktionsabgasen bei der pyrogenen Herstellung von Siliciumdioxid
US4801437A (en) * 1985-12-04 1989-01-31 Japan Oxygen Co., Ltd. Process for treating combustible exhaust gases containing silane and the like
DE3611449A1 (de) * 1986-04-05 1987-10-15 Degussa Grundstoff zur herstellung von keramischen werkstoffen
US4710369A (en) * 1986-06-10 1987-12-01 Toth Aluminum Corporation Oxidation method for production of special aluminas from pure aluminum chloride
US5123836A (en) * 1988-07-29 1992-06-23 Chiyoda Corporation Method for the combustion treatment of toxic gas-containing waste gas
DE4228711A1 (de) * 1992-08-28 1994-03-03 Degussa Silicium-Aluminium-Mischoxid
US6193795B1 (en) 1993-08-02 2001-02-27 Degussa Corporation Low structure pyrogenic hydrophilic and hydrophobic metallic oxides, production and use
DE19813971B4 (de) * 1998-03-24 2005-12-01 Heraeus Quarzglas Gmbh & Co. Kg Verfahren für die Reinigung von SiO2-Körnung
US6887566B1 (en) 1999-11-17 2005-05-03 Cabot Corporation Ceria composition and process for preparing same
WO2018019599A1 (de) 2016-07-29 2018-02-01 Evonik Degussa Gmbh Verfahren zur herstellung eines hydrophoben, wärmedämmenden materiales
RU2759942C2 (ru) 2017-01-18 2021-11-18 Эвоник Оперейшенс ГмбХ Гранулированный теплоизоляционный материал и способ его получения
DE102017209782A1 (de) 2017-06-09 2018-12-13 Evonik Degussa Gmbh Verfahren zur Wärmedämmung eines evakuierbaren Behälters
EP3597615A1 (en) 2018-07-17 2020-01-22 Evonik Operations GmbH Granular mixed oxide material and thermal insulating composition on its basis
US11987528B2 (en) 2018-07-18 2024-05-21 Kingspan Insulation Limited Process for hydrophobizing shaped insulation-material bodies based on silica at ambient pressure
US20230062574A1 (en) 2020-01-14 2023-03-02 Evonik Operations Gmbh Fumed silica with modified surface activity
EP3870537A1 (en) 2020-01-14 2021-09-01 Evonik Operations GmbH Silica-based hydrophobic granular material with an increased polarity
ES2956477T3 (es) 2021-02-11 2023-12-21 Evonik Operations Gmbh Sílice con carga triboeléctrica reducida para aplicaciones de tóner
CN116067191B (zh) * 2023-04-06 2023-06-23 河北鸿科碳素有限公司 煅烧炉烟气降温器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US779998A (en) * 1903-10-24 1905-01-10 Electric Reduction Company Ltd Process of making hydrochloric acid.
US1365740A (en) * 1916-11-22 1921-01-18 Walter O Snelling Photochemical apparatus
US3201337A (en) * 1961-05-12 1965-08-17 Allied Chem Process for removing hydrogen from chlorine gas
US3078148A (en) * 1961-05-26 1963-02-19 Cabot Corp Process for making titanium dioxide
GB1121279A (en) * 1965-07-28 1968-07-24 Degussa A process for the production of ultra-finely divided oxides
DE1667448A1 (de) * 1966-03-30 1971-06-16 Dschagatspanian Rafael Watscha Verfahren zur Reinigung des Chlors von Wasserstoff
BE790704A (fr) * 1971-10-28 1973-02-15 Degussa Procede pour la fabrication d'oxydes finement

Also Published As

Publication number Publication date
FR2319575B1 (xx) 1978-12-01
DK145890B (da) 1983-04-05
GB1513890A (en) 1978-06-14
DK145890C (da) 1983-10-17
SE410963B (sv) 1979-11-19
DE2533925A1 (de) 1977-02-17
DE2533925B2 (de) 1980-03-13
SE7511388L (sv) 1977-01-31
FI752976A (xx) 1977-01-31
NO138996C (no) 1978-12-20
DE2533925C3 (de) 1980-12-11
ATA766175A (de) 1977-03-15
JPS5727842B2 (xx) 1982-06-12
IT1047224B (it) 1980-09-10
JPS5216497A (en) 1977-02-07
CH615892A5 (xx) 1980-02-29
SU957758A3 (ru) 1982-09-07
DK458475A (da) 1977-01-31
US4276274A (en) 1981-06-30
NL180199B (nl) 1986-08-18
FI61854C (fi) 1982-10-11
NL7512423A (nl) 1977-02-01
FI61854B (fi) 1982-06-30
AT339866B (de) 1977-11-10
NL180199C (nl) 1987-01-16
FR2319575A1 (fr) 1977-02-25
NO753664L (xx) 1977-02-01
NO138996B (no) 1978-09-11

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: DEUTSCHE GOLD-UND SILBER-SCHEIDEANSTALT VORMALS R

Effective date: 19951017