介孔CuO/SiO2用于汽油氧化-吸附脱硫
Shiyou Xuebao, Shiyou Jiagong/Acta Petrolei Sinica (Petroleum Processing Section)(2012)
Abstract
利用[ (C16H33) N(CH3)3]3-[PW12O40]双亲催化剂与H2O2组成的催化氧化体系对汽油进行氧化后,以介孔SiO2为载体等体积浸渍法制备的介孔CuO/SiO2为吸附剂,采用固定床连续流动式吸附脱硫评价装置,考察了CuO/SiO2的CuO负载量、焙烧温度、焙烧时间和吸附温度对汽油脱硫率的影响,并对介孔CuO/SiO2吸附剂性质进行了XRD表征.结果表明,在焙烧温度为400℃、焙烧时间为2h、CuO负载量为2%制备的CuO/SiO2,在吸附温度为120℃时,汽油氧化-脱硫的脱硫效果较好,汽油脱硫率可达56.82%.
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Key words
Adsorption,Desulfurization,Mesoporous CuO/SiO 2,Oxidation
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