Assessment of Anaerobic Membrane Bioreactors in High-Strength Synthetic Wastewater Treatment
Why this work is in the frame
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Bibliographic record
Abstract
This study investigates the performance of an Anaerobic Membrane Bioreactor (AnMBR) treating high-strength synthetic wastewater.The system was acclimated using a phased approach, progressively increasing Chemical Oxygen Demand (COD) concentrations from 500 to 2500 mg/L over 120 days under mesophilic conditions (30 1C).The AnMBR, utilizing a 10L reactor with ceramic microfiltration membranes (pore size: 0.1 m, area: 0.04 m), demonstrated exceptional treatment efficiency.Peak COD removal reached 99.26%, while sustained BOD removal efficiencies ranged from 74.59 to 98.79%.Biomass characterization revealed continuous growth, with MLSS and MLVSS increasing from 4.71 to 8.19 g/L and 2.48 to 6.79 g/L, respectively, and the MLVSS/MLSS ratio maintained between 0.53-0.86.Biogas production increased significantly from 0.05 to 2.89 L/day, with methane content rising from 45% to 68%.Effluent VFA concentrations increased from 31.20 to 191 mg/L, indicating efficient organic matter decomposition, while alkalinity remained stable, demonstrating the system's pH buffering capacity.These findings highlight the effectiveness of AnMBR technology for treating high-strength wastewater and its potential for energy recovery through biogas production, but also emphasize the need for fouling mitigation strategies.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it