Study On Treatment Of Domestic Sewage In Xinjian County

Accompanying with development of society and the deepening of economic reform,ecological civilization construction plays a more important role?Xi Jinping's report at 19 th CPC National Congress points out that the construction of ecological civilization is a millennium plan for the sustainable development of the Chinese nation.In the context of building a beautiful China,the strategy of rural vitalization has been formed.It is urgent to control rural water pollution now.The same as the majority of rural areas in China,there is no large-scale construction of sewage pipe network basically in the Xinjian County.It may cost a lot and bring a couple of problems to construct sewage pipe to collect sewage.Furthermore,according to living characteristics and habits of rural residents,it 's impossible to intercept sewage thoroughly at present.No matter what measures to take,the reality of water pollution will be there.The economic development of the rural areas in Xinjian County is relatively backward.The villagers living in the area are relatively scattered.The waste water cannot be discharged.The water quality and quantity of sewage vary greatly.The discharge of sewage is discontinuous.Not only that,but the variation range of water is large and the peak-valley period is obvious.It is hard to construct sewage pipe of every household.Considering the problems above,it is necessary to explore a new sewage treatment technology combing with rural characteristics and current situation in Xinjian County.It is to adopt application of biological and ecological technologies to collect the sewage produced by residents in the process of living,producing and breeding while making microbial purification as center,plant and animal purification as assistant tools inside the pits in order to build an ecosystem with strong self-healing ability.In this way,it can solve the major problems such as the difficulty in the construction of rural sewage interception pipe network and the difficulty in interception of non-point source pollution of free-range livestock and poultry.Distinguish from traditional integrated equipment,the technology of ecological oxidation pit is to use natural pits to intercept sewage thoroughly and intensely.Machine room and civil engineering is not required.It takes 10~15 days to improve water quality.This technique has lots of advantages,such as strong shock resistance ability?stable water quality and low operation cost.This paper studies the water purification system which with the micro-ecological system as the core.The technology combines the characteristics of rural domestic sewage in the Xinjian County and the method of constructing biological carriers.We not only focus on breeding native microorganism directionally but also summarizing and refining governance model which can be fast replicated and promoted.It has been applied in Xinjian County and achieved preliminary results.