FR1074265A - Process for the preparation of finely divided oxides, apparatus for carrying out the process, and products conforming to those obtained - Google Patents

Process for the preparation of finely divided oxides, apparatus for carrying out the process, and products conforming to those obtained

Info

Publication number
FR1074265A
FR1074265A FR1074265DA FR1074265A FR 1074265 A FR1074265 A FR 1074265A FR 1074265D A FR1074265D A FR 1074265DA FR 1074265 A FR1074265 A FR 1074265A
Authority
FR
France
Prior art keywords
preparation
carrying
finely divided
those obtained
products conforming
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.)
Expired
Application number
Other languages
French (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
Application granted granted Critical
Publication of FR1074265A publication Critical patent/FR1074265A/en
Expired 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
    • B01J37/349—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of flames, plasmas or lasers
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Toxicology (AREA)
  • Materials Engineering (AREA)
FR1074265D 1952-04-02 1953-04-02 Process for the preparation of finely divided oxides, apparatus for carrying out the process, and products conforming to those obtained Expired FR1074265A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1074265X 1952-04-02

Publications (1)

Publication Number Publication Date
FR1074265A true FR1074265A (en) 1954-10-04

Family

ID=7720147

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1074265D Expired FR1074265A (en) 1952-04-02 1953-04-02 Process for the preparation of finely divided oxides, apparatus for carrying out the process, and products conforming to those obtained

Country Status (2)

Country Link
FR (1) FR1074265A (en)
NL (2) NL112542C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2957753A (en) * 1958-11-05 1960-10-25 American Cyanamid Co Titanium dioxide from titanium tetrachloride
FR2339569A1 (en) * 1976-01-28 1977-08-26 Cabot Corp METHOD AND APPARATUS FOR THE PRODUCTION OF OXIDES OF METALS AND OF FINALLY DIVIDED METALLOIDS
FR2451343A1 (en) * 1979-03-13 1980-10-10 Wacker Chemie Gmbh PROCESS FOR THE PREPARATION OF SILICA

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2957753A (en) * 1958-11-05 1960-10-25 American Cyanamid Co Titanium dioxide from titanium tetrachloride
FR2339569A1 (en) * 1976-01-28 1977-08-26 Cabot Corp METHOD AND APPARATUS FOR THE PRODUCTION OF OXIDES OF METALS AND OF FINALLY DIVIDED METALLOIDS
FR2451343A1 (en) * 1979-03-13 1980-10-10 Wacker Chemie Gmbh PROCESS FOR THE PREPARATION OF SILICA

Also Published As

Publication number Publication date
NL223352A (en)
NL112542C (en)

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