The rice husk (or hull) is the outermost layer of the paddy grain that is separated from the rice grains during the milling process.Rice husk was largely considered a waste product that was often burned or dumped on landfills.

The rice husk (or hull) is the outermost layer of the paddy grain that is separated from the rice grains during the milling process.Rice husk was largely considered a waste product that was often burned or dumped on landfills.