Production of algal biomass (Chlorella vulgaris) using sediment microbial fuel cells

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• 作者：Hyeon Jin Jeon^a ; Kyu-won Seo^a ; Sang Hyun Lee^a ; Yung-Hun Yang^a ; Rangarajulu Senthil Kumaran^a ; Sunghyun Kim^b ; Seok Won Hong^c ; Yong Su Choi^c ; Hyung Joo Kim^a ; ^{hyungkim@konkuk.ac.kr}
• 关键词：Sediment microbial fuel cell ; Algal cultivation ; Chlorella vulgaris ; Bioelectrochemical CO2 generation ; Bioelectrochemical CH4 suppression
• 刊名：Bioresource Technology
• 出版年：2012
• 期刊代码：11_09608524
• 类别：ce
• 出版时间：April, 2012
• 卷：109
• 期：Complete
• 页码：308-311
• 文件大小：353 K

摘要

In this study, a novel algal biomass production method using a sediment microbial fuel cell (SMFC) system was assessed. Under the experimental conditions, CO₂ generation from the SMFC and its rate of increase were found to be dependent on the current generated from the SMFC. However, the CH₄ production rate from the SMFC was inhibited by the generation of current. When Chlorella vulgaris was inoculated into the cathode compartment of the SMFC and current was generated under 10 惟 resistance, biomass production from the anode compartment was observed to be closely associated with the rate of current generation from the SMFC. The experimental results demonstrate that 420 mg/L of algae (dry cell weight) was produced when the current from the SMFC reached 48.5 mA/m². Therefore, SMFC could provide a means for producing algal biomass via CO₂ generated by the oxidation of organics upon current generation.