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利用Co_2(CO)_3溶液浸渍氧化铝、氧化硅-氧化铝,制备了一系列用于费-托合成反应的钴催化剂。当钴含量低于2%时,烃类产物的分子量分布偏离Schulz-Flory分布,反应的选择性有所改善;载体的孔结构对产物的分子量分布影响很大。
A series of cobalt catalysts for Fischer-Tropsch synthesis reaction were prepared by impregnating alumina and silica-alumina with Co_2 (CO) _3 solution. When the cobalt content is less than 2%, the molecular weight distribution of hydrocarbon products deviates from the Schulz-Flory distribution and the selectivity of the reaction is improved. The pore structure of the carrier greatly affects the molecular weight distribution of the product.