Insights of Tomato Waste Juice to Produce Volatile Fatty Acids: Effects of Governing Parameters, Juice-Residue Separation Pretreatment and Microbial Community Analysis DOI
Xue Song, Junkai Hu, Jie Zhang

et al.

Published: Jan. 1, 2023

In this study, tomato waste juice (TWJ) was used as substrate to produce volatile fatty acids (VFAs) through anaerobic fermentation. The influences of initial pH, inoculation dose, temperature and phases (including TWJ, residue (TWR) their mixture (TWM)) on VFAs production were investigated. Additionally, the microbial community structure succession also explored. results indicated that yield reached 361.86 mgCOD/gVS at pH 7, dose 3 gTS/L (g total solids [TS] sludge / L TWJ) 45℃, with corresponding maximum VFAs/SCOD rate 62.69%. by TWJ significantly higher than TWR TWM, indicating juice-residue separation showed a remarkable performance obtained composition mainly acetic acid, which conducive further application. With prolongation fermentation time, Firmicutes gradually dominated eventually 96.81%, usually participated in hydrolyzing acid-producing stage process. study confirms feasibility high efficiency vegetable juice, providing new way for treatment recycle.

Language: Английский

Insights of Tomato Waste Juice to Produce Volatile Fatty Acids: Effects of Governing Parameters, Juice-Residue Separation Pretreatment and Microbial Community Analysis DOI
Xue Song, Junkai Hu, Jie Zhang

et al.

Published: Jan. 1, 2023

In this study, tomato waste juice (TWJ) was used as substrate to produce volatile fatty acids (VFAs) through anaerobic fermentation. The influences of initial pH, inoculation dose, temperature and phases (including TWJ, residue (TWR) their mixture (TWM)) on VFAs production were investigated. Additionally, the microbial community structure succession also explored. results indicated that yield reached 361.86 mgCOD/gVS at pH 7, dose 3 gTS/L (g total solids [TS] sludge / L TWJ) 45℃, with corresponding maximum VFAs/SCOD rate 62.69%. by TWJ significantly higher than TWR TWM, indicating juice-residue separation showed a remarkable performance obtained composition mainly acetic acid, which conducive further application. With prolongation fermentation time, Firmicutes gradually dominated eventually 96.81%, usually participated in hydrolyzing acid-producing stage process. study confirms feasibility high efficiency vegetable juice, providing new way for treatment recycle.

Language: Английский

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