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  • 标题:Cultivation of Chlorella pyrenoidosa as a raw material for the production of biofuels in palm oil mill effluent medium with the addition of urea and triple super phosphate
  • 本地全文:下载
  • 作者:Shinta Elystia ; Sri Rezeki Muria ; Herta Furaida Erlangga
  • 期刊名称:Environmental Health Engineering and Management
  • 印刷版ISSN:2423-3765
  • 电子版ISSN:2423-4311
  • 出版年度:2020
  • 卷号:7
  • 期号:1
  • 页码:1-6
  • DOI:10.34172/EHEM.2020.01
  • 语种:English
  • 出版社:Kerman University of Medical Sciences
  • 摘要:Background: The utilization of microalgae as a renewable energy is an important aspect in solving shortage of future oil reserve in 15 years. One of the renewable energy sources is microalgae biodiesel. Palm oil mill effluent (POME) is a wastewater that has a high content of organic materials. These organic materials can be used as growth nutrients for microalgae. Chlorella pyrenoidosa is one of the most potential microalgae used as a raw material for the production of biodiesel since it contains lipids (8%-35%). Methods: Chlorella pyrenoidosa was cultured on the POME medium with concentrations of 0%,25%,50%,75%,and 100%v with addition of synthetic nutrients (urea: TSP) at the ratios of 2:1;1:2;0.5:1 in a 500 mL Erlenmeyer flask,at pH 6-8,aeration using aquarium pumps,and using LED lights (3000 lux). Results: It was revealed that at POME concentration of 25% and with addition of urea: TSP at a ratio of 2:1,the optimum specific growth rate (0.306/day) with the highest number of cells was 3.530 × 107 cells/mL and the highest lipid content was 36% of its dry weight. The removal efficiency of POME could be obtained from the removal efficiency of chemical oxygen demand (COD),total nitrogen,and orthophosphate (P-PO4 ),which was 70,90.42,and 81.12%,respectively. Conclusion: According to the results,under appropriate culture conditions,C. pyrenoidosa can produce lipids with good use of nutrients contained in the POME medium..
  • 关键词:Chlorella pyrenoidosa;POME;Lipid;Urea: TSP
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