The wastewater reusing project of QinHuangdao port group is retreating the second grade effluent and using in coal dust removal, it solve the problem of lacking of dust removal water.

• 秦皇岛港污水深度处理回用工程利用城市二级处理的污水,经深度生物处理后用于煤炭除尘,解决了除尘水源紧张的局面。