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Simultaneous Reduction of CO2 and H2S in Anaerobic Digestion of Animal Manures

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  • URLhttps://db.koreascholar.com/Article/Detail/341488
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한국폐기물자원순환학회 (Korea Society Of Waste Management)
초록

In order to make the best biogas production in the anaerobic fermentation, it is important to be able to compare the raw input materials on the basis of their sustainability, which may include a variety of environmental indicators. This study examined the comparative sustainability of renewable technologies in terms of their life cycle CO2 emissions and embodied energy, using life cycle analysis. The comparative results showed that power generation of bioenergy was associated with 0.96 kWh/m³ biogas and the reduction of CO2 emission is 2.1kg of CO2/kg Biomass. Other environmental indicators should be applied to gain a complete picture of the technologies studied. The generation of electricity is 2.07 kWh/m³ biogas in comparison with theoretical results of 3.09 kWh/m³ (efficiency of generator is 30%) based on the assumption of the removal efficiency 95% of CO2, methane conversion 100%, efficiency of generator 30%. Final results are the production of methane: 250 m³/day, production of electricity: 770kWh/day when used 5m³/day of waste.

저자
  • Young G. Park(Daejin University)