Experimental study on the degradation of methyl orange wastewater by multi-frequency ultrasonic
Yan Zheng, Cheng Chen, Li Wenzhao, Jiang Baogang, Liu Zhiqiang
INDUSTRIAL WATER TREATMENT . 2013, (3): 36 -38,39 .  DOI: 10.11894/1005-829x.2013.33(3).36