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The hydrogenation of acrolein was studied on a series of silica-supported silver catalysts with various particle sizes (1–9nm). Particle sizes were determined by EXAFS and confirmed by TEM as well. The selectivity to allyl alcohol (as opposed to propanal) and turnover frequency increased with increasing particle size. The results are somewhat unusual in that the most active catalyst is also the most...
PdZn catalysts have been proposed as an alternative to Cu low temperature water gas shift (WGS) catalysts due to their similar reactivity but higher thermal stability. Unfortunately, Pd based alloys are likely to be considerably more expensive than Cu catalysts. Therefore, we explore NiZn as a potentially cheaper alternative to PdZn. Both PdZn(111) and NiZn(111) have similar potential energy surfaces...
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