Full-Scale Processing by Anaerobic Baffle Reactor, Sequencing Batch Reactor, and Sand Filter for Treating High-Salinity Wastewater from Offshore Oil Rigs
Abstract
:1. Introduction
2. Materials and Methods
2.1. WORS
2.2. Location and Treatment Process
2.3. DNA Extraction and 454 High-Throughput Sequencing
3. Results and Discussion
3.1. Start-Up Period
3.1.1. ABR
3.1.2. SBR
3.2. Steady Running Period
3.3. Microbial Diversity
3.4. Running Cost
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Parameter | Unit | |
---|---|---|
Temperature | °C | 38–50 |
pH | 7.1–8.2 | |
Salinity | g/L | 27.4–31.8 |
Chemical oxygen demand (COD) | mg/L | 100–1479 |
Biochemical oxygen demand over a five-day (BOD5) | mg/L | 36.1–650 |
Suspended solids (SS) | mg/L | 140–610 |
Total nitrogen (TN) | mg/L | 9–13 |
Total phosphorus (TP) | mg/L | 7–12 |
Cl− | mg/L | 14,000–15,000 |
S2− | mg/L | 11.8–20.1 |
Oil | mg/L | 11.5–15 |
Parameter | Unit | Effluent | Average Removal Rate | Standards a |
---|---|---|---|---|
Temperature | °C | 30–35 | - | - |
pH | 7.5–8.5 | - | 6–9 | |
Salinity | g/L | 27.4–31.8 | - | - |
COD | mg/L | <60 | 80% | 100 |
SS | mg/L | <30 | 85% | 70 |
NH4+–N | mg/L | <5 | 55% | 15 |
Cl− | mg/L | 14,000–15,000 | - | - |
S2− | mg/L | <1 | 93 | 1 |
Oil | mg/L | <1 | 92 | 10 |
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Zhang, W.; Wei, Y.; Jin, Y. Full-Scale Processing by Anaerobic Baffle Reactor, Sequencing Batch Reactor, and Sand Filter for Treating High-Salinity Wastewater from Offshore Oil Rigs. Processes 2018, 6, 256. https://doi.org/10.3390/pr6120256
Zhang W, Wei Y, Jin Y. Full-Scale Processing by Anaerobic Baffle Reactor, Sequencing Batch Reactor, and Sand Filter for Treating High-Salinity Wastewater from Offshore Oil Rigs. Processes. 2018; 6(12):256. https://doi.org/10.3390/pr6120256
Chicago/Turabian StyleZhang, Wenjie, Yuan Wei, and Yue Jin. 2018. "Full-Scale Processing by Anaerobic Baffle Reactor, Sequencing Batch Reactor, and Sand Filter for Treating High-Salinity Wastewater from Offshore Oil Rigs" Processes 6, no. 12: 256. https://doi.org/10.3390/pr6120256
APA StyleZhang, W., Wei, Y., & Jin, Y. (2018). Full-Scale Processing by Anaerobic Baffle Reactor, Sequencing Batch Reactor, and Sand Filter for Treating High-Salinity Wastewater from Offshore Oil Rigs. Processes, 6(12), 256. https://doi.org/10.3390/pr6120256