FR2319575A1 - Procede de preparation d'oxydes de metaux et/ou de silicium finement disperses - Google Patents

Procede de preparation d'oxydes de metaux et/ou de silicium finement disperses

Info

Publication number
FR2319575A1
FR2319575A1 FR7537496A FR7537496A FR2319575A1 FR 2319575 A1 FR2319575 A1 FR 2319575A1 FR 7537496 A FR7537496 A FR 7537496A FR 7537496 A FR7537496 A FR 7537496A FR 2319575 A1 FR2319575 A1 FR 2319575A1
Authority
FR
France
Prior art keywords
silicon oxides
dispersed metal
finally dispersed
preparing
preparing finally
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.)
Granted
Application number
FR7537496A
Other languages
English (en)
Other versions
FR2319575B1 (fr
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
Deutsche Gold und Silber Scheideanstalt
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, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Publication of FR2319575A1 publication Critical patent/FR2319575A1/fr
Application granted granted Critical
Publication of FR2319575B1 publication Critical patent/FR2319575B1/fr
Granted 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
    • 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)
FR7537496A 1975-07-30 1975-12-08 Procede de preparation d'oxydes de metaux et/ou de silicium finement disperses Granted FR2319575A1 (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 (2)

Publication Number Publication Date
FR2319575A1 true FR2319575A1 (fr) 1977-02-25
FR2319575B1 FR2319575B1 (fr) 1978-12-01

Family

ID=5952748

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7537496A Granted FR2319575A1 (fr) 1975-07-30 1975-12-08 Procede de preparation d'oxydes de metaux et/ou de silicium finement disperses

Country Status (15)

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

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 (fr) 2016-07-29 2018-02-01 Evonik Degussa Gmbh Procédé pour la fabrication d'un matériau hydrophobe, thermo-isolant
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 (fr) 2018-07-17 2020-01-22 Evonik Operations GmbH Matériau d'oxyde mixte granulaire et composition d'isolation thermique sur sa base
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 (fr) 2020-01-14 2021-09-01 Evonik Operations GmbH Matériau granulaire hydrophobe à base de silice présentant une polarité accrue
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2319575B1 (fr) 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 (fr) 1977-01-31
BE834651A (fr) 1976-04-20
NO138996C (no) 1978-12-20
DE2533925C3 (de) 1980-12-11
ATA766175A (de) 1977-03-15
JPS5727842B2 (fr) 1982-06-12
IT1047224B (it) 1980-09-10
JPS5216497A (en) 1977-02-07
CH615892A5 (fr) 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
NO753664L (fr) 1977-02-01
NO138996B (no) 1978-09-11

Similar Documents

Publication Publication Date Title
FR2319575A1 (fr) Procede de preparation d'oxydes de metaux et/ou de silicium finement disperses
FR2316906A1 (fr) Procede de preparation d'eponges metalliques et/ou metallo-ceramiques et/ou ceramique
NL7807260A (nl) Werkwijze voor de bereiding van polyester-aminoal- kylalkoxysilanen, alsmede hun toepassing voor de be- handeling van silicium bevattende materialen.
BE789234A (fr) Procede et dispositif pour l'enregistrement des qualites de pierres de bijouterie
FR2352747A1 (fr) Procede de preparation du trichlorosilane et du tetrachlorure de silicium
BE849684A (fr) Perfectionnements apportes et/ou relatifs a des elingues de levage et procede pour leur preparation
BR8006700A (pt) Conjunto catalisador aglomerado de fibras de metais do grupo de platina ou suas ligas
BE855838A (fr) Procede pour le traitement de l'acier au silicium et acier au silicium a grains orientes
FR2288309A1 (fr) Procede et appareil perfectionnes pour l'analyse d'oxydes d'azote
BE883097A (fr) Procede et dispositif pour la preparation d'oxydes azotiques
BE855833A (fr) Procede pour le traitement de l'acier au silicium oriente et acier ainsi obtenu
BE873224A (fr) Rubans en acier au silicium et leur procede de preparation
BE852095A (fr) Composition pharmaceutique pour le traitement de la leucemie et de tumeurs
FR2321886A1 (fr) 3-phenylspiro-(isobenzofuranne-1,4'-piperidine)-sulfenamides, leur procede de preparation et leurs applications
FR2305416A1 (fr) Procede de preparation de tricosene-(9) et d'heneicosene-(9)
BE873099A (fr) Acier au silicium et son procede de preparation
BE838029A (fr) Procede pour le traitement de l'or et de metaux du groupe du platine
BE827870A (fr) Derives d'emidazole et leur procede de preparation
BE857100A (fr) Procede de preparation d'homopolymeres et de copolymeres d'&-mono-olefines
BE855835A (fr) Acier au silicium et procede pour son traitement
BE822696A (fr) Nouvelles 2-phenylhydrazino-thiazolines ou thiazines et leur procede de preparation
BE791644A (fr) Charges ou pigments et leur procede de preparation
RO70754A (fr) Procede pour la preparation des composes de aroyle-phenylindenes
BE841229A (fr) Procede de preparation d'esters alkylcarbamiques ou alcenylcarbamiques
FR2335518A1 (fr) Procede de preparation d'oxydes et de sulfures de phospholenes utiles sous forme de catalyseurs