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IntroductionChina is a developing country with about onefifth of the world's population. Rapid economicdevelopment in China has created the need toimprove the country's infrastructure,notably withrespect to freshwater availability in the dry andsemi- arid regions in northern China. More than30 0 of China's 60 0 cities suffer from watershortages totalling about6× 1 0 9m3annually,whilemost of the rivers,lakes,and reservoirs arepolluted to some degree. Except for some inlandrivers and large re…  相似文献   
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IntroductionInterests in artificial groundwater recharge ofreclaimed wastewater have been strengthened inrecent years in response to declining groundwaterlevels,increased vulnerability of surface watersupplies to contamination,opposition to increasedreliance upon surface water supplies and manyother reasons[14 ] . A demonstration plantwill be builtin Beijing forartificial groundwater recharge with reclaimedwastewater effluent as a showplace and trainingcenter in China.This project was undert…  相似文献   
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