Biogas Production From Mixture Of Water Hyacinth And Tannery Flesh Waste Using Inoculum From Cow Dung

Disposal of untreated tannery wastes into land and water bodies results in water pollution and airrnpollution which in turn leads to greenhouse gases. With increased emphasis on climate changernmitigation, waste management and, re-use of waste as a resource new environment friendlyrntechnological approach such as anaerobic digestion has received increased attention. Thisrnresearch presents the experimental results of anaerobic digestion of tannery solid waste and waterrnhyacinth in different proportions. Four bench scale anaerobic digesters with different feedstockrncomposition of 100%, 75gram:25gram, 50gram:50gram, and 25gram:75gram (Tannery solidrnwaste to Water hyacinth) have been used in the experiment. The retention time of the experimentrnranged 82 days for the digester containing 75gram Tannery solid waste and 25gram WaterrnHyacinth at ambient temperature of 37rnornC and pH of 7. Estimation of biogas produced and itsrnquality was determined by the water displacement method using the biogas analyzer for eachrndigester. It was found that, the highest volume of biogas was 6540Lit and with a methane contentrnof 72.05% this produce produced by the digester containing 75% Water Hyacinth waste and 25%rntannery solid waste. The lowest biogas concentration (2540Lit) of methane concentration 68.06%rnwas produced by digester containing tannery solid waste alone.

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