Wastewater Treatment And Application Of Highway

Rapidly developing of highways in China brings us social benefitsand economic benefits, and causes environment problems as well.With deepening understanding of the environment problems, thereare two problems need to be, one considered is pollution during theconstruction; another is pollution in operating period. In this paper,the environment problem in operating period is discussed, the mainpollutants of suspended solids, biochemical oxygen demand,nitrogen and phosphorus nutrients and heavy metals, polycyclicaromatic hydrocarbons and oil etc. Based the YongWu highway, thebridge surface run off processing system was built, which can makequality parameters of the water up the urban recycling urbanmiscellaneous water quality standard (GB/T18920-2002).the MBRwas enuployed.