Rice husks can remove microcystin toxins from water

(University of Toledo) An abundant and inexpensive agricultural byproduct, rice husks have been investigated as a water purification solution in the past. This is the first time they have been shown to remove microcystin, the toxin released by harmful algal blooms that are increasingly occurring in the Great Lakes and other freshwater lakes around the world.

from EurekAlert! - Social and Behavioral Science http://bit.ly/2LrAB3n