Energy policy tools for agricultural residues utilization for heat and power generation: A case study of sugarcane trash in Thailand

Tritib Suramaythangkoor and Zhengguo Li

Renewable and Sustainable Energy Reviews, 2012, vol. 16, issue 6, 4343-4351

Abstract: Cane trash could viably substitute fossil fuels in heat and power generation projects to avoid air pollution from open burning and reduce greenhouse gas (GHG) emission. It is competitive with bituminous and other agro-industrial biomass. Using cane trash for heat generation project could provide a higher reliability and return on investment than power generation project. The heat generation project could be viable (Financial Internal Rate of Return, FIRR=36–81%) without feedstock subsidy. With current investment and support conditions, the capacity of 5MW option of power generation project is the most viable (FIRR=13.6–15.3%); but 30MW, 1MW and 10MW options require feedstock subsidy 450–1100Baht/t-cane trash to strengthen financial viability. Furthermore, the revenue from carbon credit sales could compensate the revenue from current energy price adder and increases 0.5–1.0% FIRR of power generation project. Using cane trash for 1MW power generation could reduce GHG emission 637–861t CO2eq and avoid air pollutant emissions of 3.35kg nitrogen oxides (NOx), 0.41kg sulfur oxides (SOx) and 2.05kg volatile organic compounds (VOC). Also, 1t steam generation from cane trash could avoid pollutant emissions of 0.6kg NOx, 0.07kg SOx, and 0.37kg VOC. The potential of cane trash to cause fouling/slagging as well as erosion are not significantly different from other biomass, but chlorinated organic compounds and NOx could be higher than bituminous and current biomass feedstock at sugar mill (bagasse and rice husk).

Keywords: Policy tools; Agricultural residues; Cane trash; Heat and power; Thailand (search for similar items in EconPapers)
Date: 2012
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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DOI: 10.1016/j.rser.2012.02.033

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