Nutrient removal from biogas slurry and biogas upgrading of crude biogas at high CO2 concentrations using marine microalgae
作者： Yongjun Zhao , Zhigang Ge , Hui Zhang , Jiqing Bao , Shiqing Sun
DOI: 10.1002/JCTB.4694
关键词: Nannochloropsis sp. 、 Co2 concentration 、 Biogas 、 Slurry 、 Nutrient 、 Environmental science 、 Chemical industry 、 Waste management 、 Seawater 、 Enhanced growth
摘要: BACKGROUND This study aims to simultaneously reduce biogas slurry nutrient and upgrade via microalgal production. Marine microalgae were grown in a culture medium containing mixture of seawater with CO2 from synthetic biogas. The effects different ratios various influent concentrations CH4 on the growth Nannochloropsis sp. examined. Nutrient removal upgrading also studied under concentrations. RESULTS Nannochloropsis showed optimal 40% significantly enhanced 50% CO2. range concentration for nutrients was 45% 50%. Notably, 60% (v/v) provided an cultivation. Advantageous observed this condition. This treatment increased 93.58% after 6 days cultivation. CONCLUSION Appropriate control or is crucial optimize upgrading. © 2015 Society Chemical Industry
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