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Oxidation catalyst resistant to sulfation

Patent ·
OSTI ID:6997971
; ; ;
This patent describes a sulfur-resistant oxidation catalyst comprising silica, a coating of titania or zirconia or a mixture thereof or precursors of the oxides on the silica and at least one precious metal supported on the coated silica. This patent also describes a sulfur-resistant oxidation catalyst. It comprises a ceramic honeycomb coated with a catalytic washcoat containing particles of silica coated with titania or zirconia or a mixture thereof or a precursor of the oxides and at least one precious metal supported on the coated silica particles.
Assignee:
Engelhard Corp., Iselin, NJ (United States)
Patent Number(s):
A; US 5145825
Application Number:
PPN: US 7-682-032
OSTI ID:
6997971
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
020400 -- Petroleum-- Processing
36 MATERIALS SCIENCE
360105 -- Metals & Alloys-- Corrosion & Erosion
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
CATALYSTS
CATALYTIC EFFECTS
CERAMICS
CHALCOGENIDES
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
COATINGS
CORROSION PROTECTION
CORROSIVE EFFECTS
ELEMENTS
INDUSTRIAL PLANTS
NONMETALS
OXIDATION
OXIDES
OXYGEN COMPOUNDS
PETROLEUM REFINERIES
PRECURSOR
SILICON COMPOUNDS
SILICON OXIDES
SULFUR