复合金属氧化物的制备及其光催化羟基化制备苯二酚的性能研究  

Preparation of composite metal oxides and their photocatalytic hydroxylation performances

作　　者：李长海[1] 商希礼[1] 刘美玲[2] 杜平[1,3] 郑晶静[1] 

机构地区：[1]滨州学院化学工程系,滨州256603 [2]长春工业大学化工学院,长春130012 [3]山东省工业污水资源化工程技术研究中心,滨州256603

出　　处：《化工新型材料》2015年第4期49-51,共3页New Chemical Materials

基　　金：国家自然基金(21276027);山东省自然基金(ZR2014EL010);山东省高等学校科研计划项目(J12L64);滨州市科技发展计划项目(2013ZC1602)

摘　　要：采用溶胶-凝胶法制备了负载Fe-Al的纳米TiO2复合金属氧化物Fe-TiO2和Fe-Al-TiO2;采用XRD、TEM和XPS对材料的结构特点和形貌进行表征,研究了材料的光催化羟基化苯酚制备邻苯二酚和对苯二酚的性能;结果表明Fe-TiO2和Fe-Al-TiO2在紫外光照射下均具有良好的光催化羟基化性能和催化稳定性。苯二酚的最高收率为41%。Fe-TiO2 and Fe-Al-TiO2 were synthesized by sol-gel method and applied to photocatalytic hydroxylation of phenol to prepare catechol and hydroquinone. The nanoparticle metallic crystalline constitution, surface structure parame- ters,and adsorption species were systematically characterized by XRD, XPS and TEM. The effect of illumination time on properties of the product of photocatalytic hydroxylation was studied. Experimental results showed that Fe-TiO2 and Fe-Al- TiO2 had features of high photoactivity and high stability. The yield of the dihydroxybenzenes can reach to 41% under the optimum condition.

关 键 词：邻苯二酚 对苯二酚 光催化羟基化 纳米复合金属氧化物 苯酚 

分 类 号：TQ243.12[化学工程—有机化工]