Understanding Water Pollution and its Solutions

Author(s): Bodiud Zaman Ahmed

Abstract:

Water contamination affects all life forms that depend on it, directly or indirectly, it can have long-lasting effects. Human activities like industrial and domestic sewage, mining effluents, and urbanization are major causes of water pollution. Ammonia from food processing waste. Heavy metals from motor vehicles and acid mine drainage. Nitrates and phosphates, from sewage and agriculture silt in runoff from construction sites or sewage, logging, slash and burn practices or land clearing sites. Water pollution can harm humans, animals, and ecosystems. Unsafe water kills more people than war and other violence. There are many ways to control and clean water, including membrane separation, biological precipitation, absorption, and photo-catalysis. New technologies like metal-organic frameworks and biochar-based sorbents are being used to treat water pollution. Freshwater is a valuable resourse that is difficult and expensive to restore once contaminated. Less than 1% of the Earths freshwater is accessible to humans. Groundwater pollutants like lead, uranium, fluoride, and nitrates can cause cancer. Groundwater contamination occurs when man-made products such as gasoline, oil, road salts and chemicals get into the groundwater and cause it to become unsafe and unfit for human use. Materials from the lands surface can move through the soil and end up in the groundwater.

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Pages: 38-40     |    3 View     |    0 Download