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首页> 外文期刊>Journal of the Brazilian Chemical Society >New heterogeneous metal-oxides based catalyst for vegetable oil trans-esterification
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New heterogeneous metal-oxides based catalyst for vegetable oil trans-esterification

机译:用于植物油酯交换的新型多相金属氧化物基催化剂

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摘要

The preparation of new materials obtained from the co-precipitation of aluminum, tin and zinc oxides and their use as catalytic system activities for vegetable oils alcoholysis are reported herein. It was observed that these metal-oxides of the type (Al2O3)(X)(SnO)(Y)(ZnO)(Z) are active for soybean oil alcoholysis, uzing several alcohols, including branched ones. Best result was achieved using methanol, with conversion yields up to 80% in 4 h. It was also possible to recycle the catalysts without apparent loss of activity.
机译:本文报道了由铝,锡和锌的氧化物的共沉淀获得的新材料的制备及其作为植物油醇解的催化体系活性的用途。观察到这些类型的(Al2O3)(X)(SnO)(Y)(ZnO)(Z)的金属氧化物对大豆油醇解具有活性,使用了几种醇,包括支链醇。使用甲醇可获得最佳结果,在4小时内转化率高达80%。还可以循环使用催化剂而没有明显的活性损失。

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