<P><B>Abstract</B></P> <P>This study examines the potential of the mixed-culture microalgal consortia enriched from aerobic sludge (AeS) and anaerobic sludge (AnS) with regard to nutrient removal and biomass production f...
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https://www.riss.kr/link?id=A107459727
2019
-
SCI,SCIE,SCOPUS
학술저널
325-336(12쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P><B>Abstract</B></P> <P>This study examines the potential of the mixed-culture microalgal consortia enriched from aerobic sludge (AeS) and anaerobic sludge (AnS) with regard to nutrient removal and biomass production f...
<P><B>Abstract</B></P> <P>This study examines the potential of the mixed-culture microalgal consortia enriched from aerobic sludge (AeS) and anaerobic sludge (AnS) with regard to nutrient removal and biomass production from four different anaerobic digestion (AD) effluents. Both the inocula achieved the complete removal of the NH<SUB>4</SUB> <SUP>+</SUP>-N (initial concentration of 40 mg/L) within 14 days from all the effluents. The AeS cultures showed faster and greater microalgal growth, although the NH<SUB>4</SUB> <SUP>+</SUP>-N removal rate was comparable or higher in the case of the AnS cultures. Further, the AeS and AnS cultures showed significantly different lipid production characteristics in terms of the fatty acid composition and the response to nitrogen deficiency. Nitrogen starvation caused changes in the microbial community structures in all the experimental cultures, which may have influenced the lipid metabolism and the microalgal growth. The overall results suggest that both the inocula exhibit good potential with regard to the treatment of AD effluents.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Microalgal consortia were enriched from aerobic (AeS) and anaerobic (AnS) sludges. </LI> <LI> Both the consortia grew well on four different anaerobic digestion (AD) effluents. </LI> <LI> The AeS cultures showed faster and greater microalgal growth on all the effluents. </LI> <LI> The AnS cultures showed similar or faster NH<SUB>4</SUB> <SUP>+</SUP>-N removal rate on all the effluents. </LI> <LI> N starvation significantly influenced the lipid production and community structure. </LI> </UL> </P>