Scientists Turn Factory Waste Into a Rs 25 Fix That Removes Toxic Dye From Rivers

In parts of India, you can tell what colour a factory dyed its fabric that week just by looking at the river next to it. One such dye is Methylene Blue. It is widely used by industries and can be difficult to remove once it enters water.  But researchers at the National Institute of Technology (NIT) Rourkela have now found a way to clean it up, using two materials that industries already throw away by the tonne. How coal and steel waste became useful  The team, led by Prof Sunipa Bhattacharyya from the Department of Ceramic Engineering, along with research scholars Susant Mohapatra and Sour...