Drifts and TPD analyses of ethanol on Pt catalysts over Al<sub>2</sub>O<sub>3</sub> and ZrO<sub>2</sub>—partial oxidation of ethanol
Bibliographic record
Abstract
Abstract Ethanol adsorption on platinum catalysts supported on Al 2 O 3 and ZrO 2 was studied by temperature‐programmed desorption (TPD) and DRIFTS analysis. TPD of ethanol showed that the alumina support favoured the dehydration and decomposition ethanol, besides the water–gas shift reaction. DRIFTS analyses showed different intermediate species on the Pt/Al 2 O 3 and Pt/ZrO 2 catalysts. On the Pt/Al 2 O 3 catalyst it was observed formation and decomposition of acetate species. On the Pt/ZrO 2 were observed ethoxy species. Catalytic tests of the partial oxidation of ethanol showed that the H 2 selectivity was higher on the Pt/Al 2 O 3 compared to the Pt/ZrO 2 catalyst. Marked difference was observed for the H 2 /CO ratio, suggesting preferential WGSR for Pt/Al 2 O 3 and the reverse WGSR for the Pt/ZrO 2 catalyst. These results allowed proposing different reaction routes.
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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 | 0.001 | 0.001 |
| 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 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 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".