Photocatalytic oxidation degradation of inhibitory fatty acids for aged Chlorella vulgaris cultivation medium recycling
Bioprocess and Biosystems Engineering(2022)
摘要
The medium used for Chlorella vulgaris cultivation exerted obvious inhibitory effects on the growth of C. vulgaris after several culture-harvest cycles. The accumulated fatty acids secreted by C. vulgaris during their growth process were expected to be the cell inhibition components. In this work, the ultraviolet-driven photocatalytic oxidation technique was applied for the degradation of microalgae cell growth inhibition components in the aged cultivation medium, and the reaction parameters were optimized. The results indicated that the photocatalytic oxidation processes using 0.5 g/L TiO_2 NPs as the catalyst under the aeration condition showed as high as 74.61 ± 4.60
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关键词
Chlorella vulgaris,Aged cultivation medium,Photocatalytic oxidation,Medium recycling,Fatty acid
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