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Optimum Recovery of Biogas from Pig Slurry with Different Compositions
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 Title & Authors
Optimum Recovery of Biogas from Pig Slurry with Different Compositions
Park, Woo-Kyun; Jun, Hang-Bae; Kwon, Soon-Ik; Chae, Kyu-Jung; Park, Noh-Back;
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 Abstract
This study was conducted to investigate the optimum conditions for efficient methane production through anaerobic digestion of pig waste slurry. The examined parameters were organic matter content of the pig slurry, the ratio of seed sludge to pig slurry, and stirring intensity of the digestion reactor. The effects of types of slurry produced from different purpose-based pigs fed with different feeds were also tested. The methane concentration in the produced biogas was 45% when the ratio of seed sludge to pig slurry was 50% and total solid (TS) concentration was 1%, and it increased in proportional to TS concentration increases from 3 to 7%. At 3 and 5% of TS concentration, increasing mixing velocity from 80 to 160 rpm resulted in higher biogas production amount. However, mixing amount of seed sludge did not cause any significant effect on biogas production. Overall, the most efficient biogas production was achieved at 3-5% TS concentration in combination with 50% seed sludge inoculation and mixing velocity at 120 rpm. Among pig slurry types, gestating sow waste slurry showed the highest biogas production probably due to higher the degradation rate than other types of pig waste slurry being affected by the feeds components.
 Keywords
Anaerobic digestion;Biogas recovery;Pig slurry;Mixing velocity;
 Language
Korean
 Cited by
1.
돈분 슬러리의 저장형태 및 온도에 따른 가용화 특성,박우균;전항배;박노백;홍승길;

한국환경농학회지, 2010. vol.29. 4, pp.348-353 crossref(new window)
2.
다공성 분리막을 이용한 최적의 Bio-gas 분리인자 도출,이승원;정창훈;김정권;

Journal of Environmental Science International, 2011. vol.20. 8, pp.1011-1019 crossref(new window)
3.
산/가스 분리 혐기소화공정을 이용한 음식물 탈리액의 처리효율 평가,배종훈;박노백;전동걸;전항배;양석준;

대한환경공학회지, 2012. vol.34. 3, pp.214-222 crossref(new window)
4.
Evaluating Feeding of Organic Waste and Stirring Interval to Optimize Anaerobic Digestion,;;

Journal of Biosystems Engineering, 2014. vol.39. 4, pp.366-376 crossref(new window)
1.
A Study on the Optimal Conditions of the Biogas Sorting by Using the Polysulfone Membrane, Journal of Environmental Science International, 2011, 20, 8, 1011  crossref(new windwow)
2.
Solubilization Characteristics of Piggery Slurry by Different Storage type and Temperature Conditions, Korean Journal of Environmental Agriculture, 2010, 29, 4, 348  crossref(new windwow)
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Evaluating Feeding of Organic Waste and Stirring Interval to Optimize Anaerobic Digestion, Journal of Biosystems Engineering, 2014, 39, 4, 366  crossref(new windwow)
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