نتایج جستجو برای: solar disinfection

تعداد نتایج: 127801  

2012
Olumuyiwa I. Ojo Fred A.O. Otieno George M. Ochieng

This review considered groundwater resources, its characteristics, qualities, pollutions and available treatments. Groundwater refers to all the water occupying the voids, pores and fissures within geological formations, which originated from atmospheric precipitation either directly by rainfall infiltration or indirectly from rivers, lakes or canals. The chemical, physical and bacterial charac...

Journal: :American journal of public health 2001
E Mintz J Bartram P Lochery M Wegelin

Since 1990, the number of people without access to safe water sources has remained constant at approximately 1.1 billion, of whom approximately 2.2 million die of waterborne disease each year. In developing countries, population growth and migrations strain existing water and sanitary infrastructure and complicate planning and construction of new infrastructure. Providing safe water for all is ...

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