Strategy to enhance the semicontinuous anaerobic digestion of food waste <i>via</i> exogenous additives: experimental and machine learning approaches

Ding, Chuan; Zhang, Yi; Li, Xindu; Liu, Qiang; Li, Yeqing; Lu, Yanjuan; Feng, Lu; Pan, Junting; Zhou, Hongjun

doi:10.1039/d3ra05811e

RSC Adv.

2023

DOI: 10.1039/d3ra05811e

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Strategy to enhance the semicontinuous anaerobic digestion of food waste via exogenous additives: experimental and machine learning approaches

Chuan Ding,

Yi Zhang,

Xindu Li

et al.

Abstract: A novel additive was developed and its usage strategy was determined for regulating the anaerobic digestion (AD) of food waste (FW) through experimental and simulation approaches.

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2024

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Thermophilic aerobic digestion using aquaculture sludge from rainbow trout aquaculture facilities: effect of salinity

Chun,

Kim,

et al. 2024

Front. Microbiol.

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The objectives of this study were to evaluate the potential of using thermophilic aerobic digestion (TAD) to hydrolyze aquaculture sludge, and to investigate the hydrolysis efficiency and changes in microbial community structure during TAD at 0, 15, and 30 practical salinity units (psu). As digestion progressed, soluble organic matter concentrations in all reactors increased to their maximum values at 6 h. The hydrolysis efficiency at 6 h decreased as salinity increased: 2.42% at 0 psu, 1.78% at 15 psu, and 1.04% at 30 psu. The microbial community compositions at the genus level prominently differed in the relative abundances of dominant bacteria between 0 psu and 30 psu. The relative abundance of genera Iodidimonas and Tepidiphilus increased significantly as salinity increased. Increase in the salinity at which thermophilic aerobic digestion of aquaculture sludge was conducted altered the microbial community structure, which in turn decreased the efficiency of organic matter hydrolysis.

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Thermophilic aerobic digestion using aquaculture sludge from rainbow trout aquaculture facilities: effect of salinity

Chun,

Kim,

et al. 2024

Front. Microbiol.

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show abstract

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Strategy to enhance the semicontinuous anaerobic digestion of food waste via exogenous additives: experimental and machine learning approaches

Abstract: A novel additive was developed and its usage strategy was determined for regulating the anaerobic digestion (AD) of food waste (FW) through experimental and simulation approaches.

Cited by 1 publication

References 46 publications

Thermophilic aerobic digestion using aquaculture sludge from rainbow trout aquaculture facilities: effect of salinity

Thermophilic aerobic digestion using aquaculture sludge from rainbow trout aquaculture facilities: effect of salinity

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