The Bioconversion of Sewage Sludge to Bio-Fuel: The Environmental and Economic Benefits

Materials
Adam SmolińskiAndrzej Bąk

Abstract

This paper aims to analyze the economic feasibility of generating a novel, innovative biofuel-bioenergy-obtained from deposit bio-components by means of a pilot installation of sewage sludge bio-conversion. Fuel produced from sewage sludge biomass bears the potential of being considered a renewable energy source. In the present study, 23 bioconversion cycles were conducted taking into consideration the different contents, types of high carbohydrate additives, moisture content of the mixture as well as the shape of the bed elements. The biofuel was produced using post fermentation sewage sludge for industrial energy and heat generation. Based on the presented research it was concluded that the composite biofuel can be co-combusted with hard coal with the optimal percentage share within the range of 20-30% w/w. Sewage sludge stabilized by means of anaerobic digestion carried out in closed fermentation chambers is the final product. The average values of the CO2, CO, NO, NOx and SO2 concentrations in flue gas from co-combustion of a bioconversion product (20% w/w) and coal were 5.43%, 1903 ppm, 300 ppm, 303 ppm and 179 ppm, respectively. In total, within a period of 4.5 years of the plant operation, 1853 Mg of fuel was produced an...Continue Reading

References

Nov 12, 2016·Waste Management·Wenchao MaDegang Ma

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Citations

Feb 16, 2021·Journal of Environmental Management·S Aggarwal, M Hakovirta
Dec 8, 2020·Environmental Pollution·Aristotle T UbandoAlvin B Culaba

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