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http://dx.doi.org/10.5855/ENERGY.2016.25.3.104

Greenhouse Gas Reduction Effect of Improvement of Existing Landfill Gas(LFG) Production by Using Food Waste Water  

Shin, Kyounga (School of Environmental Engineering, University of Seoul)
Dong, Jongin (School of Environmental Engineering, University of Seoul)
Park, Daewon (Seoul National University of Science & Technology)
Kim, Jaehyung (Sudokwon Landfill Site Management Corp.)
Chang, Wonsoek (Korea District Heating Corp.)
Publication Information
Journal of Energy Engineering / v.25, no.3, 2016 , pp. 104-113 More about this Journal
Abstract
This study analyzes correlation between methane gas production and injection of food waste water to motivate to expand renewable energy as a way of GHG (Green House Gas) mitigation to achieve the national GHG target proposed for the climate agreement in Paris last year. Pretreatment of food waste water was processed with pH 6 at $35^{\circ}C$ and used the fixed-bed upflow type reactor with the porous media. As a result of operation of pilot-scaled bioreactor with food waste water, the methane gas production was 6 times higher than the methane gas production of control group with rain water. The average production of methane was $56{\ell}/day/m^3$ which is possible to produce $20m^3$ of methane in $1m^3$ of landfill. As a way of energy source, when it is applied to the landfill over $250,000m^3$, it is also able to achieve financial feasibility along with GHG reduction effect. GHG reductions of $250,000m^3$ scale landfill were assessed by registered CDM project and the annual amount of reductions was 40,000~50,000 $tCO_2e$.
Keywords
Landfill gas(LFG); Food waste water; Bioreactor; CDM methodology; GHG reduction;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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