Keywords:
Science and Technology | Industrial Technology | Acrylic Fiber Wastewater | Wastewater Discharge | Wastewater Treatment | Environmental Protection | Wastewater Purification | Tower Biofilter | Microorganism | Acrylonitrile
This film focuses on the purification of acrylic fiber wastewater by researchers in the 1970s in the way of building tower biofilters in Shanghai No.2 Chemical Fiber Factory.