改性ZSM-5-MCM-41复合分子筛的制备及脱硫性能研究  

Study on Preparation of Modified ZSM-5-MCM-41 Composite Molecular Zeolite and Its Performance in Adsorptive Desulfurization

作　　者：马海强 李倩[1] 展宗瑞[1] Ma Haiqiang;Li Qian;Zhan Zongrui(School of Applied Chemistry,Lanzhou Petrochemical College of Vocational Technology,Lanzhou 730060,China)

机构地区：[1]兰州石化职业技术学院应用化学工程学院,甘肃兰州730060

出　　处：《山东化工》2021年第3期15-17,共3页Shandong Chemical Industry

基　　金：2019年甘肃省大学生创新创业训练计划资助项目:吸附法汽油脱硫的研究。

摘　　要：采用等体积浸渍法对ZSM-5-MCM-41复合分子筛进行改性,物性分析表明改性后合成的复合分子筛兼具微孔和介孔结构,活性组分为Co_(3)O_(4)和NiO,比表面积为626 m^(2)/g。吸附脱硫实验表明合成材料在负载量为10%,浸渍时间12 h,吸附用量为0.08 g/mL,反应温度为25℃时的脱硫率可达96.78%。The microporous and mesoporous composite molecular sieves(ZSM-5-MCM-41)as the support,a kind of adsorbent Ni-Co/MCM-41-ZSM-5 was prepared by using impregnation method.Physical characterization experiments showed that the composite molecular zeolite had both microporous and mesoporous structures,and the active components of the adsorbents were Co 3O 4 and NiO with a total specific surface area of 626 m 2/g.Adsorption desulfurization experiment showed that under the the loaded quality of nickel and cobalt is 10%,impregnation time 12 h,the dosage of the synthetic material was 0.08 g/mL,under the adsorption temperature is 25℃,the desulfurization rate of gasoline can reach 96.78%.

关 键 词：复合分子筛 浸渍 吸附脱硫 

分 类 号：O643.36[理学—物理化学]