Why not purify water using the leaves and stalks that are left behind when corn is harvested? A group of American engineers has come up with a plan to create activated carbon from corn waste.
In the United States, corn is something of a national institution. The country is by far the world’s leading producer of the cereal, which is one of the world’s staple foods. However, corn cultivation generates large amounts of waste. Once the corn kernels have been stripped from plants, vast quantities of leaves, stalks and cobs are left behind. And millions of tons of this corn stover, as it is called, are burned every year.
In a bid to create a new purpose for this unwanted biomass, a g…
Keep on reading: Researchers pioneer a technique to filter water with corn leftovers