TW201129455A - Preparation of palladium-gold catalyst - Google Patents

Preparation of palladium-gold catalyst

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Publication number
TW201129455A
TW201129455A TW099142015A TW99142015A TW201129455A TW 201129455 A TW201129455 A TW 201129455A TW 099142015 A TW099142015 A TW 099142015A TW 99142015 A TW99142015 A TW 99142015A TW 201129455 A TW201129455 A TW 201129455A
Authority
TW
Taiwan
Prior art keywords
palladium
gold catalyst
extrudate
preparation
titania
Prior art date
Application number
TW099142015A
Other languages
Chinese (zh)
Inventor
Daniel Travis Shay
Original Assignee
Lyondell Chemical Tech Lp
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
Priority claimed from US12/653,592 external-priority patent/US8273682B2/en
Priority claimed from US12/653,563 external-priority patent/US8329611B2/en
Application filed by Lyondell Chemical Tech Lp filed Critical Lyondell Chemical Tech Lp
Publication of TW201129455A publication Critical patent/TW201129455A/en

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    • C04B30/00—Compositions for artificial stone, not containing binders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/48—Silver or gold
    • B01J23/52—Gold
    • B—PERFORMING OPERATIONS; TRANSPORTING
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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
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/44—Palladium
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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
    • B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
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  • Composite Materials (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Catalysts (AREA)
  • Paper (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Abstract

A method for preparing a palladium-gold catalyst containing a titania extrudate is disclosed. The titania extrudate is produced by using a carboxyalkyl cellulose and a hydroxyalkyl cellulose as extrusion aids. The titania extrudate has improved processibility and/or mechanical properties. After calcination, the extrudate is used as a carrier for the palladium-gold catalyst. The catalyst is useful in producing vinyl acetate by oxidizing ethylene with oxygen in the presence of acetic acid.
TW099142015A 2009-12-16 2010-12-03 Preparation of palladium-gold catalyst TW201129455A (en)

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US12/653,592 US8273682B2 (en) 2009-12-16 2009-12-16 Preparation of palladium-gold catalyst
US12/653,563 US8329611B2 (en) 2009-12-16 2009-12-16 Titania-containing extrudate

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CN (2) CN102725063A (en)
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SG (4) SG181647A1 (en)
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EP2512654A1 (en) 2012-10-24
CN102725063A (en) 2012-10-10
SG188923A1 (en) 2013-04-30
JP2013514175A (en) 2013-04-25
JP2013514174A (en) 2013-04-25
KR20120102079A (en) 2012-09-17
CN102740964A (en) 2012-10-17
SG181647A1 (en) 2012-07-30
KR20120102080A (en) 2012-09-17
SG181640A1 (en) 2012-07-30
TW201129642A (en) 2011-09-01
EP2512655A1 (en) 2012-10-24
WO2011075278A1 (en) 2011-06-23
WO2011075277A1 (en) 2011-06-23
SG189707A1 (en) 2013-05-31
BR112012014795A2 (en) 2016-06-21

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