화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of the Korean Industrial and Engineering Chemistry, Vol.20, No.5, 542-546, October, 2009
Export Citation
껍질 형태의 과일폐기물과 하수슬러지를 이용한 회분식 혐기 소화공정에서 메탄 생산
Methane Production Using Peel-type Fruit Wastes and Sewage Sludge in Batch Anaerobic Digestion Process
정태영, 이종학, 정형근, 차형준1, 최석순2, †
  • 연세대학교 환경공학부
  • 1포항공과대학교 화학공학과
  • 2세명대학교 바이오환경공학과
Tae-Young Jeong, Jong Hak Lee, Hyung-Keun Chung, Hyung Joon Cha1, and Suk Soon Choi2, †
  • Division of Environmental Engineering, Yonsei University, Wonju 220-710, Korea
  • 1Department of Chemical Engineering, Pohang University of Science and Technology, Pohang 790-784, Korea
  • 2Department of Biological and Environmental Engineering, Semyung University, Jecheon 390-711, Korea
E-mail:
초록
본 연구는 사과나 귤의 껍질류 과일 폐기물과 하수슬러지가 혼합된 유기성 폐기물을 이용한 회분식 혐기 분해공정에서 메탄 생산이 고찰되었다. 사과껍질 또는 귤껍질이 하수슬러지와 혼합된 기질로 사용되어졌을 때, 3 : 7의 혼합비로 운전한 것이 가장 높은 메탄 생산을 나타내었다. 그러나, 이 비율 이상에서는 사과와 귤 껍질이 함유된 유기산으로 인하여 혼합물의 pH가 8.0에서 4.5∼4.7으로 감소하였으며, 결과적으로 메탄 생산이 낮아졌다. 이러한 실험 결과들은 사과, 귤 껍질과 하수슬러지의 혼합된 회분식 혐기 소화 공정에서 바이오에너지로서 메탄가스의 생산 시스템에 효과적으로 활용될 수 있을 것이다.
Methane production using the mixed organic wastes of peel-type fruit wastes from apple or orange and sewage sludge was investigated in the batch anaerobic degradation process. When apple or orange peels with sewage sludge were used as mixed substrates, higher methane production was achieved under the condition of 3 : 7 (fruit peel : sewage sludge) mixing ratio. However, above the 3 : 7 mixing ratio, the pH of mixture was decreased from 8.0 to 4.5∼4.7 due to organic acid production from the fruit wastes. Subsequently, methane production was low. The results in this study could be effectively applied to the methane gas production system as a bioenergy in the mixed batch anaerobic digestion process using the peel-type fruit wastes and sewage sludge.
Keywords:methane production;peel-type fruit wastes;sewage sludge;mixing ratio;anaerobic digestion process
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