Effects of Concentration Variations on the Performance and Microbial Community in Microbial Fuel Cell Using Swine Wastewater
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Construction and Operation
2.3. Statistical Analysis
3. Results
3.1. MFC Performance
3.1.1. Power Generation Performance
3.1.2. Decontamination Performance
3.2. Microbial Community Diversity
3.3. Microbial Community Structure
4. Conclusions
5. Patents
Author Contributions
Funding
Conflicts of Interest
References
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Group | Influent COD (mg/L) | COD Removal Rate in Phase 1 (%) | COD Removal Rate in Phase 2 (%) | COD Removal Rate in Phase 3 (%) | COD Removal Rate of Effluent (%) |
---|---|---|---|---|---|
M_H_L | 1600 | 60.56 | 45.2 | 14 | 42.38 |
M_L_H | 1600 | 66.56 | 27.25 | 63.08 | 72.4 |
H | 2500 | - | - | - | 64.36 |
L | 800 | - | - | - | 13.75 |
Sample | Seqs | OTU | Chao | Heip | Shannon | Coverage |
---|---|---|---|---|---|---|
M_H_L | 35,458 | 594 | 695 (658,754) | 0.2124 | 4.84 (4.82,4.86) | 0.9942 |
M_L_H | 33,177 | 569 | 627 (604,667) | 0.1915 | 4.69 (4.66,4.71) | 0.9952 |
H | 35,632 | 664 | 783 (739,853) | 0.1920 | 4.85 (4.83,4.87) | 0.9955 |
L | 35,340 | 692 | 798 (758,862) | 0.2118 | 4.99 (4.97,5.02) | 0.9951 |
Sludge | 42,403 | 599 | 674 (641,732) | 0.2331 | 4.94 (4.92,4.96) | 0.9971 |
Swine | 44,636 | 464 | 488 (475,514) | 0.2829 | 4.87 (4.85,4.88) | 0.9981 |
Phylum | Abundance (Above 0.1%) | SEM | p-Value | |||||
---|---|---|---|---|---|---|---|---|
Sludge | Swine | M_H_L | M_L_H | H | L | |||
Acidobacteria | 6.69% | 0.02% | 0.74% | 0.40% | 1.02% | 2.78% | 1.03% | 0.07 |
Actinobacteria | 2.32% | 0.83% | 1.92% | 2.31% | 2.17% | 2.23% | 0.23% | 0.02 |
Bacteroidetes | 17.35% | 32.25% | 15.96% | 15.89% | 25.63% | 15.59% | 2.83% | 0.17 |
Chloroflexi | 23.62% | 0.00% | 2.43% | 1.50% | 4.54% | 9.65% | 3.60% | 0.24 |
Cyanobacteria | 1.31% | 0.01% | 0.17% | 0.92% | 0.23% | 0.67% | 0.21% | 0.01 |
Firmicutes | 0.97% | 44.56% | 7.81% | 4.44% | 3.43% | 3.83% | 6.80% | 0.01 |
Gemmatimonadetes | 1.81% | 0.00% | 0.11% | 0.01% | 0.07% | 0.13% | 0.29% | 0.02 |
Ignavibacteriae | 1.43% | 0.00% | 0.13% | 0.03% | 0.15% | 0.33% | 0.22% | 0.01 |
Nitrospirae | 1.26% | 0.00% | 0.02% | 0.01% | 0.16% | 0.31% | 0.19% | 0.01 |
Parcubacteria | 4.82% | 0.02% | 0.00% | 0.01% | 0.00% | 0.00% | 0.80% | 0.05 |
Proteobacteria | 33.17% | 19.91% | 66.07% | 66.55% | 53.14% | 58.81% | 7.76% | 0.33 |
Saccharibacteria | 1.36% | 0.04% | 0.34% | 0.66% | 0.15% | 0.34% | 0.19% | 0.01 |
Spirochaetae | 0.33% | 0.73% | 3.54% | 5.86% | 6.11% | 2.53% | 1.04% | <0.01 |
Synergistetes | 0.05% | 0.06% | 0.29% | 0.64% | 1.35% | 0.55% | 0.20% | <0.01 |
Verrucomicrobia | 0.05% | 0.14% | 0.03% | 0.42% | 0.51% | 1.31% | 0.20% | <0.01 |
others | 3.46% | 1.43% | 0.44% | 0.35% | 1.34% | 0.94% | 0.46% | 0.03 |
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Ni, H.; Wang, K.; Lv, S.; Wang, X.; Zhuo, L.; Zhang, J. Effects of Concentration Variations on the Performance and Microbial Community in Microbial Fuel Cell Using Swine Wastewater. Energies 2020, 13, 2231. https://doi.org/10.3390/en13092231
Ni H, Wang K, Lv S, Wang X, Zhuo L, Zhang J. Effects of Concentration Variations on the Performance and Microbial Community in Microbial Fuel Cell Using Swine Wastewater. Energies. 2020; 13(9):2231. https://doi.org/10.3390/en13092231
Chicago/Turabian StyleNi, Hongjun, Kaixuan Wang, Shuaishuai Lv, Xingxing Wang, Lu Zhuo, and Jiaqiao Zhang. 2020. "Effects of Concentration Variations on the Performance and Microbial Community in Microbial Fuel Cell Using Swine Wastewater" Energies 13, no. 9: 2231. https://doi.org/10.3390/en13092231