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发明公开
CN104043484A 一种醋酸催化加氢制备乙醇的催化剂及其制备和应用 有权

一种醋酸催化加氢制备乙醇的催化剂及其制备和应用
摘要：
本发明涉及一种醋酸催化加氢制备乙醇的催化剂及其制备和应用；由活性金属0.5-5%、助剂金属0.1-10%、载体修饰剂1-15%、载体70-95%组成，活性组分为铂，载体为二氧化硅、活性炭、活性氧化铝、硅藻土中的一种或两种以上任意比例的混合物；助剂金属为Li、Mg、Mn、Zn、Rh、Sn、Ni、Ru、Re、Pd、Ce中的一种或者两种以上任意比例的组合；载体修饰剂为碱土氧化物、碱金属氧化物、碱土金属氧化物、碱金属硅酸盐、第七族金属氧化物、第七族金属硅酸盐、第八族金属氧化物、第八族金属硅酸盐中的一种或者是两种以上任意比例的组合；本催化剂用于醋酸催化加氢制备乙醇，转化率达80%，乙醇选择性达80%。
摘要（英）：

The invention relates to a catalyst for preparation of ethanol by catalytic hydrogenation of acetic acid and preparation and application thereof; the catalyst comprises 0.5-5% of an active metal, 0.1-10% of an additive metal, 1-15% of a carrier modifier and 70-95% of a carrier; the active metal is platinum; the carrier is a mixture of one or more than two substances of silicon dioxide, activated carbon, activated alumina and kieselguhr in arbitrary proportion; the additive metal is a combination of one or more than two substances of Li, Mg, Mn, Zn, Rh, Sn, Ni, Ru, Re, Pd and Ce in arbitrary proportion; the carrier modifier is a combination of one or more than two substances of alkaline earth oxides, alkali metal oxides, alkaline earth metal oxides, alkali metal silicates, group VII metal oxides, group VII metal silicates, group VIII metal oxides and group VIII metal silicates; and the catalyst is used for preparation of the ethanol by catalytic hydrogenation of the acetic acid, the conversion rate reaches 80%, and the ethanol selectivity reaches 80%.

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