纳米TiO_2、NiO和CuO的制备、表征及催化苯酚羟基化反应研究

Synthesis,characterization and catalytic hydroxylation of nano TiO_2,NiO and CuO

分别采用均匀沉淀法和固相法合成纳米级的TiO2,NiO和CuO颗粒,用XRD,TEM等对其结构和形貌进行了表征,用纳米TiO2,NiO和CuO为催化剂,对苯酚羟基化反应的活性进行研究。结果表明,纳米TiO2,NiO和CuO颗粒催化苯酚羟基化反应具有较好的催化活性,苯酚的转化率分别达到25.3%,28.3%和27.5%。

TiO2,NiO and CuO nanoparticles were synthesized by homogeneous precipitation and solid phase method.The products were characterized via XRD and TEM.The catalytic activities of as-synthesized nano TiO2,NiO and CuO in the hydroxylation of phenol were researched.The results showed that nano TiO2,NiO and CuO exhibited good catalytic activities,the conversion of phenol can reach 25.3%,28.3% and 27.5%,respectively.