Proposal of technical and commercial arrangements for distributed generation from the use of biogas in a food industry

Abstract

The main objective of this work is to perform analyzes of technical and economic viability for distributed generation from burning methane gas produced in a effluent anaerobic bioreactor of a food industry located in the middle west area of Brazil. The study proposes technical and commercial arrangements based on the use of a set consisting of a Otto cycle engine directly coupled to a synchronous generator whose power will be injected directly into the local grid. In case of power outages, the system will not stay islanded and the loads from the Wastewater Treatment System will be supplied in a standalone way. The results show that the proposed system is technically and economically viable. The payback period is less than the remaining useful lifetime of the anaerobic digestion system.