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  • 标题:Biodiesel Production from Dry Microalga Biomass by Microwave-Assisted In-Situ Transesterification
  • 本地全文:下载
  • 作者:Lailatul Qadariyah ; Mahfud Renova Panjaitan ; Fatkhulloh Mujaddid
  • 期刊名称:MATEC Web of Conferences
  • 电子版ISSN:2261-236X
  • 出版年度:2018
  • 卷号:156
  • DOI:10.1051/matecconf/201815606005
  • 语种:English
  • 出版社:EDP Sciences
  • 摘要:Microalga is one of the potential feedstocks in the manufacture of biodiesel because it contains high oil content. In this study,Chlorella sp.was selected because its high oil content about 28-32% of oil (based on its dry weight) and its presence is abundant among other green algae. In situ transesterification was carried out in round neck flask under microwave irradiation. Microwave irradiation can facilitate the in situ transesterification by extracted the lipid of microalga and simultaneous convert to FAME. The purposes of this study are to investigate the effect of acid catalyst concentration, microwave power, reaction time and the addition of co-solvent (n-hexane) on the yield of biodiesel, to get optimum operating conditions and to know the fatty acid compounds of biodiesel fromChlorella sp.The results of oil extraction and biodiesel were analyzed by GC-MS analysis. Based on the experiment, the yield of microalga oil was 11.37%. The optimum yield of biodiesel by in-situ transesterification was 75.68%. It was obtained at the microwave power of 450 watts, the reaction time of 60 minutes, an acid catalyst concentration of 0,2M of H2SO4, and the co-solvent addition of 10 ml.
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