CIRCULAR ECONOMY AND SEWAGE TREATMENT FOR THE PRODUCTION OF BIODIESEL WITH MICROALGAE LIVESTOCK HOLDINGS FOR CATTLE AND BUFFALO FARMING, WITH PI? OF 20 ANIMALS, ITALY PRODUCES ON AVERAGE 72.000.000 (REPORT ENEA, 2009) M3 OF LIQUID WASTE IN ITALY? THE MAJORITY OF THESE COMPANIES DO NOT HAVE AN EFFECTIVE METHOD OF DISPOSAL.share on FacebookTwitterLinkedinEmailreport an issue