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CATALYST/CATALYST SUPPORT COMPOSITIONS HAVING HIGH REDUCIBILITY AND COMPRISING A NANOMETRIC CERIUM OXIDE DEPOSITED ONTO A SUPPORT SUBSTRATE
CATALYST/CATALYST SUPPORT COMPOSITIONS HAVING HIGH REDUCIBILITY AND COMPRISING A NANOMETRIC CERIUM OXIDE DEPOSITED ONTO A SUPPORT SUBSTRATE
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机译:具有高还原性的催化剂/催化剂支持组合物,并且其包含沉积在支持基质上的纳米氧化铈
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摘要
Catalyst/catalyst support compositions are characterized by a supported cerium oxide, deposited onto a silica, alumina, titanium or zirconium based support, including particles of said supported oxide deposited onto said support, individualized or in the form of aggregates, no greater than 500 nm in size and having, after 6 hours of calcination at a temperature of at least 800° C., a measured reducibility from 30° C. and 900° C. of at least 80%; such compositions are prepared by combining a colloidal dispersion of the supported oxide and a suspension of the support, drying the resulting mixture by atomization and drying the resulting product by calcination.
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