Zero-Valent Iron and Activated Carbon Coupled to Enhance Anaerobic Digestion of Food Waste: Alleviating Acid Inhibition at High Loads
Abstract
:1. Introduction
2. Materials and Methods
2.1. Substrate and Inoculum
2.2. Experimental Operation
2.3. Analytical Methods
3. Results and Discussion
3.1. Biogas Production and Methane Concentration
3.2. System Stability Indexes
3.3. Organics Degradation
3.4. Substance Balance Analysis Based on COD
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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FW | Sludge | |
---|---|---|
TS (%) | 26.30 ± 0.03 | 3.73 ± 0.01 |
VS (%) | 25.10 ± 0.03 | 2.07 ± 0.03 |
pH | 4.70 ± 0.07 | 8.84 ± 0.05 |
C * (%) | 46.80 ± 0.30 | 30.80 ± 0.17 |
N * (%) | 3.00 ± 0.25 | 5.75 ± 0.15 |
C/N | 15.60 ± 1.48 | 5.35 ± 1.20 |
H * (%) | 7.05 ± 0.07 | 4.39 ± 0.04 |
O * (%) | 31.40 ± 0.31 | 22.40 ± 0.34 |
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Zhang, S.; Zhao, P.; Gao, M.; Wu, C.; Wang, Q.; Sun, X. Zero-Valent Iron and Activated Carbon Coupled to Enhance Anaerobic Digestion of Food Waste: Alleviating Acid Inhibition at High Loads. Fermentation 2023, 9, 818. https://doi.org/10.3390/fermentation9090818
Zhang S, Zhao P, Gao M, Wu C, Wang Q, Sun X. Zero-Valent Iron and Activated Carbon Coupled to Enhance Anaerobic Digestion of Food Waste: Alleviating Acid Inhibition at High Loads. Fermentation. 2023; 9(9):818. https://doi.org/10.3390/fermentation9090818
Chicago/Turabian StyleZhang, Shuang, Pan Zhao, Ming Gao, Chuanfu Wu, Qunhui Wang, and Xiaohong Sun. 2023. "Zero-Valent Iron and Activated Carbon Coupled to Enhance Anaerobic Digestion of Food Waste: Alleviating Acid Inhibition at High Loads" Fermentation 9, no. 9: 818. https://doi.org/10.3390/fermentation9090818