The results indicated that the saturated adsorption of additive on the surface of coal particles increased after CWS was irradiated by ultrasound, which resulted in increase of zeta potential of CWS.

• 实验结果表明,煤浆经超声辐照后添加剂在煤粒表面的饱和吸附量增加,相应煤浆浆体的动电势也随之增加,而添加剂在煤粒表面饱和吸附量的增加与超声辐照引起的煤粒比表面积的增加密切相关。