Steam gasification of meat and bone meal in a two‐stage fixed‐bed reactor system
Bibliographic record
Abstract
Abstract Gasification of meat and bone meal (MBM) has been carried out using steam in single and two‐stage fixed‐bed reactor systems. The first stage was used for the gasification, while the second stage allowed the thermal cracking and reforming of tar as well as some additional secondary reactions to take place. The effects of temperature (650–850 °C) in both stages, steam/MBM (wt/wt) (0.4–0.8), and second‐stage packed‐bed height (40–100 mm) on product distribution (char, liquid and gas) and gas composition (H2, CO, CO2, CH4, C2H4, other H/C) were studied. It was observed that a higher reaction temperature (850 °C) favored high gas and hydrogen yields. Hydrogen yield was increased from 36.2 to 47.1 vol% with an increase in steam/MBM (wt/wt), while an increase in the packed‐bed height increased gas (29.5–31.6 wt%) and hydrogen (45–49.2 vol%) yields. Copyright © 2010 Curtin University of Technology and John Wiley & Sons, Ltd.
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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 | 0.000 | 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) | 0.001 | 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".