A COMBINED BIOGAS PLANT AND INCINERATOR SYSTEM FOR MUNICIPAL SOLID WASTE MANAGEMENT

📄 Project Abstract

This study, assessed the potentials of generating biogas from the organic fraction of municipal solid wastes to fuel an incinerator which is then used to burn the residual combustible solid waste. Municipal solid waste from Ahmadu Bello University (ABU) commercial market was collected, grinded and mixed with intestinal waste from slaughtered cattle at Zango abattoir, Zaria in a 2:1 ratio by volume. The mixture was diluted with water in a 1:1 ratio by volume to form a slurry and digested anaerobically in a digester The efficacy of the digester in producing biogas were in three (3) phases. Lowest between day 3 - 11; 0.143m3 (0.018m3/kg), highest between day 15 - 55; 1.353m3 (0.034m3/kg) and medium between day 55 - 94; 1.208m3 (0.031m3/kg) Fertilizer values based on the ratios of N: P: K: Mg were 28: 1: 22: 4; 1: 971: 821: 1995 and 10: 1: 59: 104 for digestate, bottom ash and combined digestate and bottom ash respectively. Total Organic Carbon contents of the digested solid waste were0.13...