TW200920698A - Process for preparing metal oxide granules - Google Patents

Process for preparing metal oxide granules Download PDF

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Publication number
TW200920698A
TW200920698A TW097124952A TW97124952A TW200920698A TW 200920698 A TW200920698 A TW 200920698A TW 097124952 A TW097124952 A TW 097124952A TW 97124952 A TW97124952 A TW 97124952A TW 200920698 A TW200920698 A TW 200920698A
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TW
Taiwan
Prior art keywords
metal oxide
oxide powder
powder
density
pyrolytic
Prior art date
Application number
TW097124952A
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English (en)
Chinese (zh)
Inventor
Christian Schulze-Isfort
Bjoern Braun
Monika Oswald
Kai Schumacher
Ralph Hofmann
Original Assignee
Evonik Degussa Gmbh
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Publication date
Application filed by Evonik Degussa Gmbh filed Critical Evonik Degussa Gmbh
Publication of TW200920698A publication Critical patent/TW200920698A/zh

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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/22—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by pressing in moulds or between rollers
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    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04—Alumina
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/066—Zirconium or hafnium; Oxides or hydroxides thereof
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    • B01J21/12—Silica and alumina
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    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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TW097124952A 2007-07-06 2008-07-02 Process for preparing metal oxide granules TW200920698A (en)

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DE102007031635A DE102007031635A1 (de) 2007-07-06 2007-07-06 Verfahren zur Herstellung von Metalloxidgranulaten

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