This paper aims to improve the natural water bodies contaminated by some chemical substances, for example, the phosphorus, in modern times. A hanging nylon aerobe biofilm reactor will be verified for its functions by culturing and testing in the real environment. Analysis results reveal that the hanging nylon biofilm reactor is more economical and efficient than the biological aerated filter. It is concluded by observation under different conditions that this type of hanging nylon aerobic biofilm reactor has been proven to be effective in the field.
