Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
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The usability evaluation of domestic urban sewage sludge as feedstock for biodiesel production( I ) - Comparison of the yields and composition of fatty acid methyl esters -

바이오디젤 생산을 위한 원료로서 국내 도시 하수슬러지의 활용성 평가( I ) - 지방산메틸에스테르(FAMEs)의 수율 및 조성 비교 -

  • Published : 2012.02.15
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Abstract

This study was performed to assess the possibility of application of sewage sludge which is the side-product from domestic sewage treatment plant to the materials for biodiesels by investigating the yields and composition of the lipids and fatty acid methyl esters(FAMEs) from soxhlet extraction and in-situ transesterification. As the results, yields of in-situ transesterification were higher than soxhlet extraction. In comparison by sewage sludge type, yields of sewage sludge mixed nightsoil or livestock were higher than a single sewage sludge. And maximum yield showed up to 14 wt%. Fatty acid composition of extracted lipids and synthesized FAMEs consists of palmitic acid(C16:0), palmitoleic acid(C16:1), stearic acid(C18:0), oleic acid(C18:1), and linoleic acid(C18:2).

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