Results of Adding Sludge Micropowder for Microbial Structure and Partial Nitrification and Denitrification in a Filamentous AGS-SBR Using High-Ammonia Wastewater
Abstract
:1. Introduction
2. Materials and Methods
2.1. Characteristics of Sludge Micropowder
2.2. SBR Operation
2.3. Wastewater and Seeding Sludge
2.4. Analytical Methods
2.5. Microbial Sampling and Analysis
3. Results and Discussion
3.1. Sludge Characteristics in the Different Stages
3.2. Removal Performance
3.3. Microbial Diversity and Composition
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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SBR Process | Running Stages | |||
---|---|---|---|---|
Stage A (Day 0–60) | Stage B (Day 61–100) | Stage C (Day 101–120) | Stage D, (Day 121–160) | |
Influent | 5 min | |||
Aeration | 180 min 135 min | |||
Stirring (60 rad/min) | 0 min | 60 min | ||
Settling (min) | 5 min | |||
Effluent (min) | 5 min | |||
Idling (min) | 45 min 30 min |
Sample | Effective Reads | Mean Length (bp) | OTU | Shannon | Simpson | ACE | Chao1 | Coverage |
---|---|---|---|---|---|---|---|---|
S0 | 47,293 | 415.14 | 1109 | 4.6 | 0.03 | 1291.45 | 1247.65 | 0.99 |
S1 | 42,545 | 422.77 | 780 | 4.35 | 0.03 | 1267.47 | 1104.56 | 0.99 |
S2 | 47,825 | 425.5 | 784 | 3.3 | 0.17 | 1101.28 | 1063.43 | 0.99 |
S3 | 55,914 | 417.43 | 1088 | 4.96 | 0.02 | 1292.89 | 1292.90 | 0.99 |
S4 | 64,649 | 417.53 | 1014 | 4.3 | 0.06 | 1236.15 | 1198.51 | 0.99 |
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Liu, J.; Xu, D.; He, W.; He, Q.; Chu, W.; Li, S.; Li, J. Results of Adding Sludge Micropowder for Microbial Structure and Partial Nitrification and Denitrification in a Filamentous AGS-SBR Using High-Ammonia Wastewater. Water 2023, 15, 508. https://doi.org/10.3390/w15030508
Liu J, Xu D, He W, He Q, Chu W, Li S, Li J. Results of Adding Sludge Micropowder for Microbial Structure and Partial Nitrification and Denitrification in a Filamentous AGS-SBR Using High-Ammonia Wastewater. Water. 2023; 15(3):508. https://doi.org/10.3390/w15030508
Chicago/Turabian StyleLiu, Jun, Dong Xu, Weiqiang He, Qiulai He, Wenhai Chu, Songbo Li, and Jun Li. 2023. "Results of Adding Sludge Micropowder for Microbial Structure and Partial Nitrification and Denitrification in a Filamentous AGS-SBR Using High-Ammonia Wastewater" Water 15, no. 3: 508. https://doi.org/10.3390/w15030508