采用溶剂热法将颗粒状Bi₂WO₆负载到凹凸棒石（ATP）上，成功制备出超细Bi₂WO₆/ATP复合光催化剂，并将其应用到模拟油的氧化脱硫中。通过XRD、TEM、UV-Vis和BET分别对样品的结构、形貌、光学性能、比表面积进行表征。结果表明，Bi₂WO₆/ATP复合光催化剂相比于单一相的Bi₂WO₆具有更广的光响应范围、更大的比表面积。当Bi₂WO₆质量分数为50%[m（Bi₂WO₆）∶m（ATP）]时，100 min内脱硫效果达到96.12%。循环使用4次后，脱硫效果没有明显下降，催化剂性能稳定。

Ultrafine Bi₂WO₆/ATP composite photocatalyst is successfully synthesized by loading granular Bi₂WO₆ onto attapulgite (ATP) through solvothermal method and is applied to the oxidative desulfurization of model oil.The structure,morphology,optical properties and specific surface area of the prepared samples are characterized by XRD,TEM,UV-Vis and BET.It is found that Bi₂WO₆/ATP composite photocatalysts have wider range of light response,larger specific surface area than single phase Bi₂WO₆.A 96.12% of desulfurization rate can be achieved in 100 min over the catalyst within which the mass fraction of Bi₂WO₆ is 50%[m(Bi₂WO₆):m(ATP)].The desulfurization effect does not decrease obviously after 4 cycles and the performance of the catalyst remains stable.

吴凤芹(1967-),女,硕士,高级工程师,研究方向为油品脱硫,wfq@cczu.edu.cn