Upgrade and renovate the existing domestic sewage treatment plant of glass enterprises.The new domestic sewage treatment plant has low cost,easy maintenance and operation,and simple water tank structure engineering.In the domestic sewage treatment process,bamboo charcoal is filled in the biochemical reaction tank to produce highly dense ecological microorganisms such as anaerobic bacteria and fungi,which play a role in their own metabolism,completely removing organic pollutants from domestic sewage,efficiently purifying sewage,and reducing operating costs.