Popis: |
Water is considered as the most essential source of life and important part of our natural resources. Due to rapid industrialization, urbanization and lack of awareness among people to consider water as a crucial commodity, around 80% of the world population is now facing water supply and security threat. In fact, about 2% of planet water is fresh and only 0.036% of water is accessible for use, rest 1.96% is present in polar ice caps, underground wells and aquifers. Furthermore, freshwater resources are progressively becoming unavailable due to huge amount of pollution in drinking water sources and also due to ignorance by human or industries and government authorities. The increasing water contamination by discharging untreated effluent is major problem faced by humanity worldwide. For this, government authorities and other organizations concerned about water conservation, awareness among people, strict laws about water security, sustainable and cost-effective wastewater treatment technology to overcome water pollution and water shortage problem for humans and biodiversity. |