Constructing Heterointerfaces in Dual-Phase High-Entropy Oxides to Boost O2 Activation and SO2 Resistance for Mercury Removal in Flue Gas
Chaofang Li,
Kaisong Xiang,
Fenghua Shen
et al.
Abstract:The low O2 activation ability at low temperatures
and
SO2 poisoning are challenges for metal oxide catalysts
in the application of Hg0 removal in flue gas. A novel
high-entropy fluorite oxide (MgAlMnCo)CeO2 (Co-HEO) with
the second phase of spinel is synthesized by the microwave hydrothermal
method for the first time. A high efficiency of Hg0 removal
(close to 100%) is achieved by Co-HEO catalytic oxidation at temperatures
as low as 100 °C and in the atmosphere of 145 μg m–3 Hg0 at a high GHSV (gas hourly spa… Show more
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