催化裂化轻汽油深度脱硫吸附剂的研制及性能  

Development and performance of deep desulfurization adsorbent for catalytic cracking light gasoline

作　　者：周广林[1,2] 李芹 王晓胜[1] 徐志皓[1] Zhou Guanglin;Li Qin;Wang Xiaosheng;Xu Zhihao(College of New Energy and Materials,China University of Petroleum(Beijing),Beijing 102249,China;Beijing Key Laboratory of Biogas High Value Utilization,Beijing 102249,China)

机构地区：[1]中国石油大学(北京)新能源与材料学院,北京102249 [2]生物燃气高值利用北京市重点实验室,北京102249

出　　处：《石油化工》2019年第9期907-911,共5页Petrochemical Technology

基　　金：中国石油大学（北京）青年创新团队C计划项目（C201604）;中央高校基本科研业务费专项资金资助项目（2462018YJRC028）

摘　　要：采用等体积浸渍法制备了一系列Ni-Cu/ZnO-Al2O3脱硫吸附剂,考察了不同金属活性组分及其负载量、不同助剂及其负载量、焙烧温度等因素对催化裂化轻汽油中噻吩脱除性能的影响,并采用XRD、压汞技术对制备的吸附剂进行表征。表征结果显示,500℃下焙烧制得的Ni-Cu/ZnO-Al2O3吸附剂的比表面积最大,表现出较高的脱硫活性,其中,NiO为Ni-Cu/ZnO-Al2O3吸附剂脱除噻吩硫的主要活性组分。实验结果表明,在Ni负载量为6%(w)、Cu含量为5%(w)、焙烧温度为500℃、反应温度为350℃、压力为0.6 MPa、液态空速2 h-1条件下,Ni-Cu/ZnO-Al2O3吸附剂的饱和硫容为1.70%。A series of Ni-Cu/ZnO-Al2O3 desulfurization adsorbents was prepared by incipient impregnation method.The effects of different metal active components and loading thereof,different additives and loading thereof,calcination temperature on the removal performance of thiophene in catalytic cracking light gasoline were investigated.XRD and mercury porosimetry were used to characterize these adsorbents.The characterization results showed that the Ni-Cu/ZnO-Al2O3 adsorbent which was calcined at 500℃exhibited the largest specific surface area and the best sulfur removing performance.Wherein,NiO was the major active component of Ni-Cu/ZnO-Al2O3 adsorbent for removing thiophene sulfur.The experimental results show that when the loading of Ni is 6%(w),the content of Cu is 5%(w),the calcination temperature is 500℃,the reaction temperature is 350℃,and the pressure is 0.6 MPa,the LHSV is 2 h-1,the saturated sulfur capacity of Ni-Cu/ZnO-Al2O3 adsorbent is 1.70%.

关 键 词：催化裂化轻汽油 镍-铜/氧化锌-氧化铝 脱硫 饱和硫容 焙烧温度 

分 类 号：TQ426[化学工程]