... , oilfield, slaughtering, washing&rising, paper-making, printing&dyeing and municipal waste water, with a high speed (3 min). ... , coalmine plant, oilfield plant, paint plant, domestic and life stock plants and so on. Advantages: (1),high speed: less ... 11),save repairing fees , maintaining fees ,technology workers and operation workers fees. Successful Application: Mingren wastewater fast treatment ...