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On the contrary, some Ni active sites were covered by the promoter, which reduced the number of active sites, leading to its catalytic activity less than NiCu/EXVTM-SiO 2. Nonetheless, in X-NiCu/EXVTM-SiO 2, Ce-NiCu/EXVTM-SiO 2 showed fairly high first catalytic task, with the first conversion rate of CH4 getting to 60. 1% and the first conversion rate of CO2 reaching 89. 1%. This is mostly because the catalyst has a more powerful standard site externally to promote the adsorption of CO2 particles, and the smaller sized metal particle dimension is favorable to the bosom of C-- H bonds.
Source link: https://europepmc.org/article/MED/PMC8587639
CARBON MONOXIDE 2 reforming of methane was examined at tool temperature using a GSHV of 48,000 h -1 over nickel stimulants supported on ZrO 2 advertised by alumina. The NiO-10Al 2 O 3 -ZrO 2 catalyst exhibited higher catalytic efficiency in contrast with the NiO-ZrO 2 catalyst. First, the Al marketer could customize the structure of ZrO 2, leading to a rise of its pore quantity and pore size. Third, the NiO-10Al 2 O 3 -ZrO 2 catalyst showed high suppression to the loss of nickel throughout a lasting catalytic test.
Source link: https://europepmc.org/article/MED/34497927
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