Full scale comparison of heterotrophic and nitrifying RBC biofilms
Bibliographic record
Abstract
Heterotrophic and nitrifying biofilms, from the secondary and tertiary full-scale Rotating Biological Contactor (RBC) wastewater treatment plants (WWTP) were investigated. Physical properties and structural features, such as, water content, organic portion (VS/TS), density, thickness, porosity, and fractal characteristics, including boundary/surface roughness, and Sierpinski and internal pore boundary fractals were examined. The results indicated that the heterotrophic biofilms were thicker and had higher porosity, larger internal voids, and faster growth and sloughing rates than the nitrifying biofilms. The nitrifying biofilms had much higher density(TS) and VS/TS ratio than the heterotrophic biofilms. In contrast to earlier results from laboratory scale studies, full-scale biofilms had structures and properties (porosity, density, and fractal dimensions) of more irregular spatial distribution.
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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 | 0.001 |
| 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".