Characterization of Valuable Materials from Incineration of Municipal Biosolid and Solid Waste Ash in Ontario: Assessing the Feasibility and Developing a Business Case for Recovery of Select Materials by Municipalities
Bibliographic record
Abstract
Waste materials generally have limited economic value and create an intricate burden for municipalities. Few studies have looked at the recycling potential that comes from complex matrices (i.e. residual ash) generated from the process of municipal waste incineration. The experiment details the methods for an assessment of the total recovery potential of metals from solid waste incineration facilities. This research combines ideas from environmental science, chemistry and policy management to provide analysis for municipalities. Analytical chemical analysis was performed to characterize the quantities of the identified metals over the entirety of the samples. Metal components were determined, and the dollar value of the material that is being disposed of after incineration, was calculated using the market values of the metals of economic interest. From the results presented in the study, a context specific cost benefit analysis was developed for dealing with ash samples from four facilities in southern Ontario.
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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) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.002 | 0.001 |
| 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 | 0.000 |
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 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".