The Influence of Pharmaceutical Enterprises on Soil Environmental Quality in Yangtze River Delta Region
Taking pharmaceutical enterprises in Yangtze River Delta as the research object,AERMOD model and one-dimensional unsaturated solute transport model were used to simulate the effects of atmospheric subsidence and vertical sewage infiltration on soil environmental quality.The results showed that:1)under the condition of standard discharge,atmospheric subsidence had little impact on soil,in which the annual contribution rate of trichloromethane was the largest,accounting for 0.057%.2)Vertical infiltration of sewage will cause certain soil environmental pollution.Enterprises should conduct soil environmental hazard investigation and implement corresponding soil environmental protection obligations.
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