低温Ni/AC脱硫剂的制备与表征  

Preparation and Characterization of Ni Supported Activated Carbon Desulfurization Catalysts at Low Temperature

作　　者：梁娟[1] 郭家秀[1,2] 尹华强[1,2] 楚英豪[1,2] 孙明超[1] 

机构地区：[1]四川大学建筑与环境学院,四川成都610065 [2]国家烟气脱硫工程技术研究中心,四川成都610065

出　　处：《四川大学学报（工程科学版）》2013年第1期188-191,共4页Journal of Sichuan University (Engineering Science Edition)

基　　金：国家自然科学基金资助项目(5110828)

摘　　要：采用过量浸渍法制备了Ni/AC脱硫剂,着重考察了酸预处理和操作条件对Ni/AC脱硫性能的影响,同时用BET、XPS和XRD对脱硫剂的织构和结构性能进行了表征。结果表明:酸预处理能增加活性炭载体的比表面积和孔容,提高表面含氧官能团的比例;酸预处理能显著提高Ni/AC的脱硫活性,表现出高的低温脱硫活性;操作条件对Ni/AC的脱硫活性具有较大的影响,脱硫反应必须在适宜反应条件下进行,Ni/AC脱硫剂才能表现出好的脱硫活性。Nickel catalysts supported on activated carbon were prepared by excessive impregnation. The catalysts were studied by BET, XPS and XRD. The result showed that the active carbon pretreated by HNO3 ean increase specific surface area and pore volume, im- prove oxygen-containing functional groups propotion. The Ni/AC catalyst pretreated by acid exhibits high desulfurization activity at low tempreture. The desulfurizaiton activity is apparently influence by pretreatment of the support with acid and metal loading. Ni/AC des- ulfurization catalyst is to be used at suitible reaction conditions.

关 键 词：酸处理 催化剂 脱硫 活性炭 

分 类 号：X506[环境科学与工程—环境工程]