the new method for treating oily sludge by ultrasonic is put forward aiming at the problems which consist in oily sludge treatment by now.
针对目前含油污泥处理中存在的问题,提出了超声处理含油污泥的新方法。
in recent years, the integrated application of ultrasound and surfactant technology used in oily sludge treatment has been gradually recognized by professionals.