摘要
以尿素为沉淀剂,柠檬酸钠为络合剂,采用均相沉淀法制备Ni^(2+)-Fe^(3+)-CO_3^(2-)-LDHs。以制备的Ni^(2+)-Fe^(3+)-CO_3^(2-)-LDHs为前驱体,分别与Na Cl和对甲苯磺酸钠进行离子交换反应得到Ni^(2+)-Fe^(3+)-C_7H_7SO_3^--LDHs新型催化剂,成功实现对甲苯磺酸根负载Ni^(2+)-Fe^(3+)-LDHs。研究表明,Ni^(2+)-Fe^(3+)-C_7H_7SO_3^--LDHs为介孔材料,比表面积为165.6 m^2·g^(-1),平均孔径为14.7 nm,较大比表面积和空隙结构增强了其吸附性能和催化活性。
Using urea as the precipitant and sodium citrate as the chelating reagent, Ni2＋-Fe3＋-CO32- LDHs was prepared by homogeneous precipitation method. Using Ni2＋ -Fe3＋ -CO32--LDHs as the precur- sor, Ni2＋-Fea＋-CyH7SOf-LDHs was synthesized through ion exchange with NaC1 and C7HTSO3Na, respectively. The experimental results showed that Ni2＋ -Fe3＋ -C7H7SO3- -LDHs was mesoporous material, and its BET surface area and average pore size were 165.6 m2·g^-1 and 14.7 nm, respectively. The adsorption performance and catalytic activity of the catalyst were enhanced due to its larger specific surface area and pore structure.
出处
《工业催化》
CAS
2016年第2期41-45,共5页
Industrial Catalysis
