Arsenic is a naturally occurring but extremely toxic element that can be found in the earth's crust. Human interventions such as mining and fracking increase the contamination of surface resources, despite the fact that it is generally abundant at high levels of groundwater. As a result, arsenic contamination of drinking water has long been a source of concern.
Inorganic arsenic, such as that found in drinking water, is recognized to be far more dangerous to humans than its organic counterpart. In the event of exposure, the effects may include poisoning and skin lesions that lead to cancer. As a result, lowering the level of arsenic in contaminated water is critical in preventing millions of people from becoming poisoned. However, because arsenic is a water-soluble substance, removing it from the water can be difficult and expensive.
Source: INTERESTING ENGINEERING
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