Treatment kinetics of aircraft deicing fluid in an anaerobic baffled reactor
Bibliographic record
Abstract
A four compartment anaerobic baffled reactor (ABR) operated with and without recycle treated aircraft deicing wastewater. Without recycle a minimum hydraulic retention time (HRT) of 27 h (organic loading rate, OLR, of 6.2 g·L–1·d–1) with a chemical oxygen demand (COD) removal efficiency of 89% and a Uoverall of 0.25 g·g–1·d–1 was achieved. With recycle the minimum HRT was 17 h (OLR of 9.9 g·L–1·d–1) with 93% COD removal efficiency, achieved at a Uoverall of 0.32 g·g–1·d–1. Anaerobic baffled reactor compartments served to naturally separate acidogenic and methanogenic activities longitudinally through the reactor, with acidogenic activity highest in compartment 1. A first order compartment model for substrate removal could not describe ABR performance. The rate coefficients (k1–k4) or kavg were inconsistent and no predictive correlation of k values with substrate concentration, HRT or OLR could be achieved in describing the naturally attenuated two-phase phenomenon.Key words: anaerobic, baffled reactor, deicing fluid, ethylene glycol, treatment.
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How this classification was reachedexpand
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".