Production of biochar from poultry and swine solid waste
The livestock industry in the Biobío Region concentrates 1.5 million birds (mainly laying hens) and 93 thousand pig heads (Source: INE, 2015). One of its challenges is to move towards a sustainable production, being management of waste (e.g., slurry, manure, sawdust, chips and feathers) the critical stage from environmental and social