CH439230A - Process for cleaning highly disperse oxides, oxide mixtures or mixed oxides of metals and / or metalloids and device for carrying out the same - Google Patents

Process for cleaning highly disperse oxides, oxide mixtures or mixed oxides of metals and / or metalloids and device for carrying out the same

Info

Publication number
CH439230A
CH439230A CH340862A CH340862A CH439230A CH 439230 A CH439230 A CH 439230A CH 340862 A CH340862 A CH 340862A CH 340862 A CH340862 A CH 340862A CH 439230 A CH439230 A CH 439230A
Authority
CH
Switzerland
Prior art keywords
oxides
metalloids
metals
carrying
same
Prior art date
Application number
CH340862A
Other languages
German (de)
Inventor
Bommer Heinrich Ing Dr
Helmut Dr Bruenner
Walter Dipl Ing John
Ernst Dr Wagner
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 CH439230A publication Critical patent/CH439230A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
    • 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
    • C01B13/16—Purification
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
    • C01B3/12—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide
    • C01B3/16—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide using catalysts
    • 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
    • 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
    • C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
    • 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
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
    • C09C3/043—Drying, calcination
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds
    • 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
    • C01P2006/90—Other properties not specified above

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Silicon Compounds (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
CH340862A 1961-04-20 1962-03-22 Process for cleaning highly disperse oxides, oxide mixtures or mixed oxides of metals and / or metalloids and device for carrying out the same CH439230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED35883A DE1150955B (en) 1961-04-20 1961-04-20 Method and device for cleaning highly dispersed oxides

Publications (1)

Publication Number Publication Date
CH439230A true CH439230A (en) 1967-07-15

Family

ID=7042844

Family Applications (1)

Application Number Title Priority Date Filing Date
CH340862A CH439230A (en) 1961-04-20 1962-03-22 Process for cleaning highly disperse oxides, oxide mixtures or mixed oxides of metals and / or metalloids and device for carrying out the same

Country Status (6)

Country Link
BE (1) BE616573A (en)
CH (1) CH439230A (en)
DE (1) DE1150955B (en)
DK (1) DK122211B (en)
GB (1) GB1003957A (en)
SE (1) SE309031B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3253889A (en) * 1964-06-30 1966-05-31 Du Pont Process for removing chloride impurity from tio2 product
DE2240014C3 (en) * 1972-08-14 1981-04-16 Degussa Ag, 6000 Frankfurt Process for the waterproofing of highly disperse oxides
NL7613414A (en) 1976-12-02 1978-06-06 Shell Int Research TREATMENT OF SILICA.
US4083946A (en) * 1977-03-23 1978-04-11 E. I. Du Pont De Nemours And Company Process for removing chloride impurities from TiO2
US4363792A (en) * 1980-05-19 1982-12-14 The Dow Chemical Company Defluorination of fumed silica
US5855860A (en) * 1994-10-27 1999-01-05 Shin-Etsu Chemical Co., Ltd. Method for porifying fine particulate silica
JP3546494B2 (en) * 1994-10-27 2004-07-28 信越化学工業株式会社 Purification method of fine silica
US6524548B1 (en) * 1994-12-17 2003-02-25 Degussa Ag Zirconium dioxide powder, method of its production and use
DE10342827A1 (en) * 2003-08-20 2005-03-17 Degussa Ag Purification of finely divided, pyrogenically prepared metal oxide particles
US7785560B2 (en) 2003-08-20 2010-08-31 Evonik Degussa Gmbh Purification of finely divided, pyrogenically prepared metal oxide particles
WO2021121557A1 (en) 2019-12-17 2021-06-24 Wacker Chemie Ag Fluidized-bed reactor for the control of the dwell time distribution in continuously operated fluidized beds

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE762723C (en) * 1942-02-28 1952-07-28 Degussa Process for cleaning finely divided oxides from metals or metalloids

Also Published As

Publication number Publication date
SE309031B (en) 1969-03-10
GB1003957A (en) 1965-09-08
DE1150955B (en) 1963-07-04
DK122211B (en) 1972-02-07
BE616573A (en) 1962-08-16

Similar Documents

Publication Publication Date Title
CH450368A (en) Process for the hydrophobing of highly dispersed oxides, oxide mixtures or mixed oxides
CH404372A (en) Device for automatically guiding and advancing workpieces
AT280084B (en) Spray container and method for making the same ready for use
CH470202A (en) Method and device for carrying out electrochemical processes
CH427715A (en) Method and device for condensing the vapors and gases produced in a chemical cleaning machine
CH439230A (en) Process for cleaning highly disperse oxides, oxide mixtures or mixed oxides of metals and / or metalloids and device for carrying out the same
AT270997B (en) Method and device for the continuous preparation of plastic masses
CH443005A (en) Process for removing and taking up radioactive contaminants from surfaces, in particular from the surface of the skin, and means for carrying out the process
CH447056A (en) Method and device for purifying water
AT264565B (en) Nickel-cobalt-molybdenum steel and its heat treatment process
CH443913A (en) Electrophotographic process and equipment for carrying it out
AT257652B (en) Method and device for reducing iron oxides to sponge iron
CH425092A (en) Process for rendering microorganisms in liquids harmless by heat treatment and apparatus for carrying out the same
CH395023A (en) Process for vaporizing liquids and equipment for carrying out the process
CH418565A (en) Method and device for lifting and transporting mass blocks
CH427550A (en) Device for processing or coating the surfaces of workpieces and methods for their operation
AT286338B (en) Device for the vacuum treatment of molten metal, in particular molten steel, and method for their operation
AT247889B (en) Process for refining metals and fresh gas vessel for carrying out the same
AT245339B (en) Process and device for the extraction of scrap
GB1042494A (en) Method and apparatus for chemical analysis
AT244310B (en) Device for fine grinding and mixing of substances
AT242172B (en) Method and device for reducing iron ores in rotary kilns with gaseous or liquid reducing agents
AT253602B (en) Method and device for assembling switches
AT273194B (en) Nickel-cobalt-molybdenum steel and its heat treatment process
CH479703A (en) Process for the metallurgical treatment of molten material to be treated, in particular molten steel, and device for its implementation