Performance of a Waste Cell in Cold Climate Operated As an Anaerobic Landfill Bioreactor
Bibliographic record
Abstract
A bioreactor landfill was constructed by the city of Calgary, Canada to sustainably manage solid waste. It includes initial operation of bioreactor landfill under anaerobic conditions to recover biogas, then under aerobic condition to convert waste into compost and finally mining compost for reuse. The bioreactor landfill is equipped with leachate recirculation systems to accelerate the decomposition of organic waste. Rapid decomposition leads to large quantities of landfill gas, which in turn results in rapid settlement. The landfill gas produced is collected and used for energy recovery. The methane present in landfill gas is a potent greenhouse gas and the use of landfill gas in energy recovery reduces the environmental impact of this gas. The gas extraction and leachate recirculation systems are quite expensive. Hence the bioreactor landfill requires efficient operation to maximize gas generation while having excessive settlement. This manuscript presents details of a full scale landfill bioreactor performance during the anaerobic phase of the sustainable landfill, including leachate generation and recirculation, and gas generation and monitoring of performance date including temperature and settlement.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".