<b>Analysis of lubricant oil contamination and degradation and wear of a biogas-fed otto cycle engine

by Rovian Bertinatto, Leandro Friedrich, Reinaldo Aparecido Bariccatti, Samuel Nelson Melegari de Souza, Flavio Gurgacz, Felix Augusto Pazuch
Published 2017-09-01

<b>Co-digestion of crude glycerin associated with cattle manure in biogas production in the State of Paraná, Brazil

by Felix Augusto Pazuch, Jésse Siqueira, Leandro Friedrich, Anderson Miguel Lenz, Carlos Eduardo Camargo Nogueira, Samuel Nelson Melegari de Souza
Published 2017-05-01