1. The project is easy to implement, fast to install film, and short start-up period. Usually, the film can be successfully hanged in about a week, creating conditions for the treatment system to exert the purification effect as soon as possible;
  2. The biological chain is long, with many species and high activity. The filler provides a lot of space for the attachment and growth of microorganisms, etc., and creates a suitable environment for the growth of bacterial micelles, filamentous bacteria, protozoa, metazoans, etc.;
  3. Decarburization and impact resistance can make the volume load of the treatment system reach 6kgCOD/m3·d and above; the ability to resist impact load is stronger;
  4. Superior denitrification and dephosphorization effects. The biofilm attached to the filler is not only conducive to the growth of aerobic aerobic nitrification, but also solves the contradiction of sludge age in nitrogen and phosphorus removal, and significantly improves the nitrogen and phosphorus removal function of the system; water purification biological filler is Based on polypropylene high molecular polymer, the biological filler equipment is added with different additives such as hydrophobicity, hydrophilicity, flame retardancy, heat resistance, frost resistance, anti-aging, etc., and forms filaments after heating and melting A porous net-like overall structure filler formed by mutual fusion. The Quality Supervision and Inspection Center of Water Pollution Control Equipment of Tsinghua University carried out film-forming and treatment effect experiments on it, and concluded that “the biological filler has good film-forming properties. Installing biological filler in the reactor can significantly increase the biomass and obtain Good COD removal effect”

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