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Method for preparing iodine-doped TiO2 nano-catalyst and use thereof in heterogeneously catalyzing configuration transformation of trans-carotenoids
Method for preparing iodine-doped TiO2 nano-catalyst and use thereof in heterogeneously catalyzing configuration transformation of trans-carotenoids
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机译:碘掺杂的TiO 2 Sub>纳米催化剂的制备方法及其在反式类胡萝卜素的非均相构型转化中的应用
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摘要
The present invention relates to a method for preparing an iodine-doped TiO2 nano-catalyst and use of the catalyst in heterogeneously catalyzing configuration transformation of trans-carotenoids. The iodine-doped TiO2 nano-catalyst is prepared by a sol-gel process using a titanate ester as a precursor and an iodine-containing compound as a dopant in the presence of a diluent, inhibitor and complexing agent. The catalyst exhibits high activity for isomerization of the trans-carotenoids into their cis-isomers within a short catalytic time. The catalyst can be easily prepared and is highly efficient, economical, recyclable and environmentally friendly.
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