BE616573A - Procédé pour l'épuration d'oxydes hautement dispersés et équipement pour son exécution - Google Patents

Procédé pour l'épuration d'oxydes hautement dispersés et équipement pour son exécution

Info

Publication number
BE616573A
BE616573A BE616573A BE616573A BE616573A BE 616573 A BE616573 A BE 616573A BE 616573 A BE616573 A BE 616573A BE 616573 A BE616573 A BE 616573A BE 616573 A BE616573 A BE 616573A
Authority
BE
Belgium
Prior art keywords
purification
execution
equipment
highly dispersed
dispersed oxides
Prior art date
Application number
BE616573A
Other languages
English (en)
Inventor
Heinrich Bommer
Helmut Bruenner
Walter John
Ernst 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 BE616573A publication Critical patent/BE616573A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT 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
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/006Combinations of treatments provided for in groups C09C3/04 - C09C3/12
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14Methods for preparing oxides or hydroxides in general
    • C01B13/16Purification
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14Methods for preparing oxides or hydroxides in general
    • C01B13/20Methods 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
    • C01B13/22Methods 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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
    • C01B3/02Production of hydrogen; Production of gaseous mixtures containing hydrogen
    • C01B3/06Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen with inorganic reducing agents
    • C01B3/12Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen with inorganic reducing agents by reaction of water vapour with carbon monoxide
    • C01B3/16Production of hydrogen; Production of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen with inorganic reducing agents by reaction of water vapour with carbon monoxide using catalysts
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/181Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
    • C01B33/183Preparation 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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/46Purification of aluminium oxide, aluminium hydroxide or aluminates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00Compounds of titanium
    • C01G23/04Oxides; Hydroxides
    • C01G23/047Titanium dioxide
    • C01G23/07Producing by vapour phase processes, e.g. halide oxidation
    • C01G23/075Evacuation and cooling of the gaseous suspension containing the oxide; Desacidification and elimination of gases occluded in the separated oxide
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT 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
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/04Physical treatment, e.g. grinding or treatment with ultrasonic vibrations
    • C09C3/043Drying, calcination
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT 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
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06Treatment with inorganic compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/90Other properties not specified above

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (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)
BE616573A 1961-04-20 1962-04-17 Procédé pour l'épuration d'oxydes hautement dispersés et équipement pour son exécution BE616573A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED35883A DE1150955B (de) 1961-04-20 1961-04-20 Verfahren und Vorrichtung zum Reinigen von hochdispersen Oxyden

Publications (1)

Publication Number Publication Date
BE616573A true BE616573A (fr) 1962-08-16

Family

ID=7042844

Family Applications (1)

Application Number Title Priority Date Filing Date
BE616573A BE616573A (fr) 1961-04-20 1962-04-17 Procédé pour l'épuration d'oxydes hautement dispersés et équipement pour son exécution

Country Status (6)

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

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 (de) * 1972-08-14 1981-04-16 Degussa Ag, 6000 Frankfurt Verfahren zur Hydrophobierung von hochdispersen Oxiden
NL7613414A (nl) 1976-12-02 1978-06-06 Shell Int Research Behandeling van 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 (ja) * 1994-10-27 2004-07-28 信越化学工業株式会社 微細シリカの精製法
US6524548B1 (en) * 1994-12-17 2003-02-25 Degussa Ag Zirconium dioxide powder, method of its production and use
DE10342827A1 (de) * 2003-08-20 2005-03-17 Degussa Ag Reinigung feinverteilter, pyrogen hergestellter Metalloxidpartikel
US7785560B2 (en) 2003-08-20 2010-08-31 Evonik Degussa Gmbh Purification of finely divided, pyrogenically prepared metal oxide particles
WO2021121557A1 (fr) 2019-12-17 2021-06-24 Wacker Chemie Ag Réacteur à lit fluidisé pour la régulation de la distribution du temps de séjour dans des lits fluidisés fonctionnant en continu

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE762723C (de) * 1942-02-28 1952-07-28 Degussa Verfahren zum Reinigen von hochdispersen Oxyden von Metallen bzw. Metalloiden
NL209163A (fr) 1955-07-23

Also Published As

Publication number Publication date
DK122211B (da) 1972-02-07
CH439230A (de) 1967-07-15
SE309031B (fr) 1969-03-10
GB1003957A (en) 1965-09-08
DE1150955B (de) 1963-07-04

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