Thermodynamic and Environmental Impact Study of a Stand-Alone Biomass Gasifier System for Sustainable and Economically Feasible Power Generation in a Remote Village
By: Das, S. K
.
Contributor(s): Roy, P. C.
Publisher: Kolkatta Springer 2022Edition: Vol, 103(2), April.Description: 223–237p.Subject(s): Mechanical EngineeringOnline resources: Click here
In:
Journal of the institution of engineers (India): Series CSummary: article, thermodynamic, economic and environmental impact analysis of downdraft biomass gasification system has been conducted based on experimental data sets with respect to different equivalence ratios for two different feedstocks, namely tree waste and sawdust pellet. Hydrogen, carbon monoxide, methane, carbon dioxide and nitrogen have been obtained from the gasification system with the equivalence ratio varied from 0.3 to 0.4. A mathematical model has also been developed to predict the gas composition and validated with the experimental results. On the basis of producer gas yield, the LHV (lower heating value) of producer gas and cold gas efficiency have been calculated for different equivalence ratios and for both of the biomass. A feasibility study of rural electrification is conducted for a small village named as Balarampur under the block of Aushgram-II in the district of Bardhhaman of West Bengal of India with the population of 1010 for 231 households along with a primary school, a bank, a health center, a panchayat office, a post office and also the agricultural lands and corresponding irrigation sectors. A cost analysis has been made, and the LUCE (levelized unit cost of electricity) has been obtained as US$ 0.0595 (5.95 US cents) per kWh considering annualized cost of the plant and the annual electricity generated by the plant. Finally, environmental impact has been calculated for the plant using emission matrix of life cycle assessment (LCA) with respect to the GWP (global warming potential), AP (acidification potential), POCP (photochemical ozone creation potential), NP (nitrification potential), HTP (human toxicity potential), AEP (aquatic ecotoxicity potential) and WDP (water depletion potential). The range of ecotoxicity potential is 0.18 kg of SO2, 0.16 kg of C2H4, 0.196 kg of NO3, 0.26 kg of average persons weight and 0.07 kg of water equivalent. Environmental impact of 0.89 kg of toxic equivalent is obtained from the sustainable renewable energy generation system through gasification route.
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School of Engineering & Technology Archieval Section | Not for loan | 2022-1854 |
article, thermodynamic, economic and environmental impact analysis of downdraft biomass gasification system has been conducted based on experimental data sets with respect to different equivalence ratios for two different feedstocks, namely tree waste and sawdust pellet. Hydrogen, carbon monoxide, methane, carbon dioxide and nitrogen have been obtained from the gasification system with the equivalence ratio varied from 0.3 to 0.4. A mathematical model has also been developed to predict the gas composition and validated with the experimental results. On the basis of producer gas yield, the LHV (lower heating value) of producer gas and cold gas efficiency have been calculated for different equivalence ratios and for both of the biomass. A feasibility study of rural electrification is conducted for a small village named as Balarampur under the block of Aushgram-II in the district of Bardhhaman of West Bengal of India with the population of 1010 for 231 households along with a primary school, a bank, a health center, a panchayat office, a post office and also the agricultural lands and corresponding irrigation sectors. A cost analysis has been made, and the LUCE (levelized unit cost of electricity) has been obtained as US$ 0.0595 (5.95 US cents) per kWh considering annualized cost of the plant and the annual electricity generated by the plant. Finally, environmental impact has been calculated for the plant using emission matrix of life cycle assessment (LCA) with respect to the GWP (global warming potential), AP (acidification potential), POCP (photochemical ozone creation potential), NP (nitrification potential), HTP (human toxicity potential), AEP (aquatic ecotoxicity potential) and WDP (water depletion potential). The range of ecotoxicity potential is 0.18 kg of SO2, 0.16 kg of C2H4, 0.196 kg of NO3, 0.26 kg of average persons weight and 0.07 kg of water equivalent. Environmental impact of 0.89 kg of toxic equivalent is obtained from the sustainable renewable energy generation system through gasification route.
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