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Technological Approaches To Providing Safe Drinking Water For Rural And Remote Areas

机译:为农村和偏远地区提供安全饮用水的技术方法

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Provision of safe drinking water is one of the key drivers in our technological pursuits. A number of habitations are suffering from a variety of water quality problems such as excess salinity, iron, arsenic, fluoride, nitrate and microbial contamination. Simplicity of operation, less dependence on external sources of power supply, minimisation of wastewater, etc., are some of the ground rules to ensure reliability and sustainability of water purification technologies/devices. The experience over the last two decades has indicated that the objective of providing safe drinking water in totality can be achieved only with the technologies in tune with the village environment and the total participation of the user group. Domestic water purifier based on ultrafiltration can be used as a point-of-use device in almost all households to provide microbiologically safe drinking water. With suitable modifications, these devices can be used for removal of contaminants such as iron, and marginal contamination of fluorides and arsenic. The use of reverse osmosis can tackle salinity and other contaminants. Safe quality water is costlier due to the use of the device and hence its use should be only to the extent required. It is necessary therefore to promote quality linked usage of water to ensure sustainability and reliability.
机译:提供安全的饮用水是我们追求技术的关键动力之一。许多居住区都遭受各种水质问题的困扰,例如盐度过高,铁,砷,氟化物,硝酸盐和微生物污染。操作简单,对外部电源的依赖性降低,废水最少等是确保水净化技术/设备的可靠性和可持续性的一些基本原则。过去二十年的经验表明,只有通过与乡村环境和用户群体的参与相吻合的技术,才能实现全面提供安全饮用水的目标。基于超滤的家用净水器可以用作几乎所有家庭的使用点设备,以提供微生物学上安全的饮用水。通过适当的修改,这些设备可用于去除污染物,例如铁,以及少量的氟化物和砷污染。使用反渗透可以解决盐度和其他污染物的问题。由于使用该设备,安全质量的水成本更高,因此只能在要求的范围内使用。因此,有必要促进水的质量关联使用,以确保可持续性和可靠性。

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