The Significance of Sewage Treatment in Urban Rivers and Urban Villages
Since the reform and opening up,China's urbanization process has achieved remarkable results that have attracted worldwide attention.In the process of urban development,due to the dense population of mega cities,the emergence of urban villages provides people with a place to settle down.In the process of forming urban villages,the vast majority of residents'domestic sewage is directly discharged into rivers or outdoor open spaces without any treatment and infiltrates underground.Some toilet sewage is simply treated in septic tanks and directly discharged into rivers,seriously polluting the local soil and water quality.Most rivers and feng shui ponds have become natural gathering places for sewage,forming black and odorous water bodies,causing serious pollution to the urban ecological environment.Protecting green mountains and clear waters is equivalent to protecting mountains of gold and silver.A group of contemporary young people are actively involved in ecological governance work.
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