3 diciembre 2014
Polylactic acid is a degradable plastic used mostly for packaging. To meet the rising demand, researchers have developed an eco-friendly process to make large amounts of lactic acid from glycerol, a waste by-product in the production of biodiesel.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/BsNx6QL5mpY/141203100115.htm
