Links between Process Performance and Microbial Community of Pennisetum Hybrid Co-Digested with Municipal Solid Waste
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials and Inocula
2.2. Experimental Setup and Procedure
2.3. Analytical Methods
2.4. Analytical Methods for Microbial Communities
3. Results and Discussion
3.1. Performance, Process Parameters, and the Microbial Community of GM11
3.1.1. GM11 Performance
3.1.2. Changes in Microbial Community during Digestion
3.2. Performance, Process, and Microbial Community of GM31
3.2.1. GM31 Performance
3.2.2. Changes of Microbial Community of GM31 during the Process
3.3. Comparison of the Performance and Shift of Microorganisms at Different Mixture Ratios and OLRs
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Material | TS/% | VS/% | pH | C/% | N/% | C/N |
---|---|---|---|---|---|---|
Pennisetum hybrid | 17.64 ± 0.68 | 16.55 ± 0.66 | 3.48 | 41.76 ± 0.25 | 0.975 ± 0.035 | 42.86 ± 1.81 |
15.87 ± 0.62 | 12.81 ± 0.45 | - | 39.59 ± 0.04 | 0.915 ± 0.021 | 43.28 ± 0.96 | |
20.94 ± 0.84 | 18.17 ± 0.81 | 5.04 | 43.41 ± 0.54 | 0.695 ± 0.02 | 62.50 ± 2.68 | |
19.05 ± 1.15 | 16.48 ± 1.18 | 4.88 | 40.51 ± 0.33 | 0.655 ± 0.021 | 61.88 ± 2.51 | |
16.68 ± 0.49 | 13.61 ± 0.96 | 4.35 | 38.98 ± 0.57 | 0.735 ± 0.021 | 53.06 ± 2.31 | |
MSW | 29.42 ± 0.19 | 20.21 ± 0.06 | - | 35.97 ± 0.51 | 1.25 ± 0.28 | 29.57 ± 6.14 |
28.11 ± 1.03 | 20.55 ± 0.85 | - | 32.84 ± 1.17 | 1.46 ± 0.01 | 22.49 ± 1.02 | |
32.62 ± 0.59 | 24.02 ± 0.22 | - | 35.27 ± 0.51 | 1.75 ± 0.04 | 20.16 ± 0.78 | |
26.82 ± 0.03 | 19.51 ± 1.70 | - | 37.13 ± 1.03 | 0.92 ± 0.12 | 41.01 ± 6.52 |
OLR /VS·L−1·d−1 | GM11 | GM31 | ||||
---|---|---|---|---|---|---|
Volumetric Biogas Yield /m3·m−3·d−1 | Specific Biogas Yield /mL·g VS−1 | Specific Methane Yield /mL·g VS−1 | Volumetric Biogas Yield /m3·m−3·d−1 | Specific Biogas Yield /mL·g VS−1 | Specific Methane Yield /mL·g VS−1 | |
2.0 | 1.03 ± 0.12 | 512.60 ± 57.95 | 279.53 ± 33.81 | 1.08 ± 0.10 | 538.79 ± 49.43 | 290.67 ± 30.33 |
2.5 | 1.25 ± 0.14 | 515.73 ± 58.95 | 278.01 ± 33.02 | 1.44 ± 0.16 | 525.70 ± 70.81 | 272.18 ± 51.79 |
3.5 | 1.67 ± 0.15 | 471.78 ± 42.68 | 271.17 ± 28.29 | 1.69 ± 0.13 | 502.29 ± 44.98 | 262.75 ± 27.98 |
4.0 | 1.70 ± 0.15 | 424.62 ± 37.84 | 246.15 ± 23.12 | 1.76 ± 0.30 | 439.46 ± 75.19 | 233.48 ± 50.45 |
4.5 | 1.78 ± 0.12 | 395.21 ± 27.61 | 199.81 ± 33.00 | 1.84 ± 0.18 | 404.10 ± 38.93 | 236.23 ± 21.78 |
5.0 | 1.91 ± 0.33 | 382.83 ± 66.43 | 210.35 ± 41.77 | 2.25 ± 0.31 | 450.52 ± 61.48 | 259.35 ± 37.18 |
5.5 | 2.36 ± 0.22 | 428.90 ± 40.37 | 241.62 ± 33.87 | 2.48 ± 0.17 | 421.04 ± 30.04 | 238.66 ± 34.34 |
6.0 | 2.67 ± 0.24 | 445.43 ± 40.23 | 249.31 ± 22.75 | 2.55 ± 0.26 | 424.67 ± 44.01 | 250.04 ± 30.21 |
7.0 | 2.83 ± 0.15 | 403.94 ± 21.90 | 224.27 ± 12.16 | 2.71 ± 0.13 | 387.78 ± 18.74 | 241.89 ± 11.69 |
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Zhao, Q.; He, S.; Li, L.; Sun, Y.; Ren, H. Links between Process Performance and Microbial Community of Pennisetum Hybrid Co-Digested with Municipal Solid Waste. Energies 2021, 14, 3651. https://doi.org/10.3390/en14123651
Zhao Q, He S, Li L, Sun Y, Ren H. Links between Process Performance and Microbial Community of Pennisetum Hybrid Co-Digested with Municipal Solid Waste. Energies. 2021; 14(12):3651. https://doi.org/10.3390/en14123651
Chicago/Turabian StyleZhao, Quanlin, Shuibin He, Lianhua Li, Yongming Sun, and Haiwei Ren. 2021. "Links between Process Performance and Microbial Community of Pennisetum Hybrid Co-Digested with Municipal Solid Waste" Energies 14, no. 12: 3651. https://doi.org/10.3390/en14123651