Formation of Co-Ru/MgO/Al2O3 catalysts for the Fischer-Tropsch synthesis: A magnetic method for the estimation of cobalt particle sizeстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The physicochemical properties of Co-supported catalysts were studied, and the particle size of Co in Co/MgO/Al2O3 and Co-0.2% Ru/MgO/Al2O3 catalysts for the Fischer-Tropsch synthesis (FTS) was estimated using a magnetic method. It was found that a considerable fraction of superparamagnetic Co particles, which increase selectivity for C5+ hydrocarbons and decrease the yield of methane in the FTS, was present in a ruthenium-containing catalyst along with single-domain ferromagnetic particles. In this case, the catalyst activity increased by a factor of 10.