Effects of Double Frequency Ultrasound Improving Dehydration Property of Waste Activated Sludge in Pretreatment
XU Hui-min, QIN Wei-hua, LI Zhong-lin, GU Qi, DAI Xiao-hu
Journal of Ecology and Rural Environment . 2018, (4): 380 -384 .  DOI: 10.11934/j.issn.1673-4831.2018.04.012