Remediation of Water Contamination in Colombia: Nanotechnology for Water Treatment
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Globally, an estimated one third of the world’s population lives in either waterscarce, or water-short areas. Worldwide, the supply of potable water is becoming more difficult because of the fast growing demand, which is exacerbated by population growth, global climate change, and water quality deterioration. Colombia’s National Health Institute reported in 2011 that half of the country’s States have contaminated drinking water. The report shows that only 12.5% of the States in Colombia have potable water, with the Surveillance System for Potable Water Quality warning that 15% of States have “high risk” water in that samples of water nationwide revealed contamination with residual chlorine, microorganisms, E.coli and coliform bacteria. Key contributors include activities that alter surrounding ecosystems, such as drainage, diversion of water for irrigation, industrial and domestic use, contaminating water with excess nutrient run-off (eg. from fertilizers) and waste, building dams, and ...
Nanotecnología; Agua potable; Escasez de agua; Contaminación del agua; Crecimiento demográfico; Contaminación; Nanomateriales; Cambio climático global
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