Domestic Waste Disposal Mode Selection And Environmental Impact

China is a country with the maximum of population in the world, as well as it produces the largest amount of domestic waste worldwide. So far disordered stockpiling and disposal for a mountain of domestic waste becomes one of the most serious and highlighted problems impacting people’s lives, which is affecting on the appearance of a city seriously, what is more, polluting the water and air.Comprehensive comparison with harmless domestic waste disposal that has been applied in our country, still combining with factors of the geological environment, quantity and heat value of the waste, urban characteristics and so on, the paper views to find the domestic waste treatments which is suitable to Wuhai City, to reduce the municipal solid waste in Wuhai City, to stress the recycling and harmless levels, and to improve the living environment. This paper asserts:1) As domestic waste treatment, sanitary landfill is suitable to Wuhai City. Because Wuhai City is an economic-underdeveloped city located in west China, the heat value of the waste is low, and the amount of domestic waste is little relatively.2) In solid waste sanitary landfill method, it is necessary to do our best on the collection of leachate, so as to prevent contamination from groundwater.3) Recirculation treatment of leachate is selective in Wuhai City because of the less precipitation and more evaporation in the city.4) It should take the incineration of domestic waste cautiously in Wuhai City.