Nutrient removal from biogas slurry and biogas upgrading of crude biogas at high CO2 concentrations using marine microalgae

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• 作者：Yongjun Zhao ; Zhigang Ge ; Hui Zhang ; Jiqing Bao and Shiqing Sun
• 关键词：marine microalgae ; Nannochloropsis sp ; biogas ; nutrient removal ; biogas upgrading
• 刊名：Journal of Chemical Technology & Biotechnology
• 出版年：2016
• 出版时间：April 2016
• 年：2016
• 卷：91
• 期：4
• 页码：1113-1118
• 全文大小：218K
• ISSN：1097-4660

文摘

This study aims to simultaneously reduce biogas slurry nutrient and upgrade biogas via microalgal production. Marine microalgae were grown in a culture medium containing a mixture of seawater and biogas slurry with CO₂ from synthetic biogas. The effects of different ratios of biogas slurry and various influent concentrations of CH₄ in synthetic biogas on the growth of Nannochloropsis sp. were examined. Nutrient removal and biogas upgrading were also studied under different influent CH₄ concentrations.