An, Baichao; Wang, Wenying; Ji, Guijuan; Gan, Shucai; … - In: Energy 35 (2010) 1, pp. 45-49
Oil shale ash (OSA), the residue of oil shale semi-coke roasting, was used as a raw material to synthesize nano-sized α-Al2O3. Ultrasonic oscillation pretreatment followed by azeotropic distillation was employed for reducing the particle size of α-Al2O3. The structural characterization at...