Ciro Ordoñez

IntroductionThe biodiesel industry from fatty sources generates glycerin, a by-product that can be used as an excellent source of energy for growing pigs. In Colombia, the installed capacity of biodiesel production was of 505.708 t in 2013 (1). Each liter of biodiesel generates approximately 79 g of crude glycerin (2), consequently, with the installed capacity, the country will produce annually ar ...