摘要
自1992年以来,西安市的工业废水、工业废气排放量和工业固体废弃物的产生量总体趋势都在不断的减少.大气中的SO2和工业烟尘趋于减少;生活污水增加,污水中耗氧类物质增加.这种污染结构的变化与城市的发展及产业结构的调整有很大的关系.总体上来说工业污染的比重有所减小,而生活型污染的比重趋于增加.
Since 1992 the discharge of industrial waste,industrial gas and solid waste was being decreasing continually. SO2 and industrial soot in the air were being decreasing and COD has shown an increasing tendency with the increase of domestic sewerage since 1992. This pollution structure＇s change has much to do with urban development and adjustment of industrial structure. On the whole, industrial pollution proportion was decreasing while domestic sewerage has being shown the increasing tendency.
出处
《固原师专学报》
2006年第6期56-60,共5页
Journal of Guyuan Teachers College
关键词
环境
西安
产业结构
污染结构
Xi＇ an city
environmental
industrial structure
pollution structure
