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In a previous study, we showed that Ni–Pd bimetallic nanocatalysts supported on fumed silica had better adsorption affinity and catalytic activity toward adsorption and post-adsorption decomposition of asphaltenes compared to the support without functionalization. In this study, the effect of oxide support types on the adsorption and subsequent steam gasification of adsorbed asphaltenes was studied...
Hydrocarbons in the middle distillate range (C 8 –C 26 ) have been treated with ultrasound at 20kHz – a frequency sufficient to drive acoustic cavitation. The high temperatures experienced as a result of the implosion of fuel vapour bubbles are sufficient to produce pyrolytic degradation and dehydrogenation, as well as a growth mechanism that results in the formation of small particles...
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