Chemical looping reforming for syngas production with co-conversion of CH4 and CO2 by using ilmenite ore as both oxygen carrier and catalyst
Bibliographic record
Abstract
Chemical looping CH 4 reforming has been accepted as a highly promising solution for sustainable syngas production from gaseous feedstocks, e.g., natural gas, shale gas, biogas, etc. , with reduced safety concerns and without the need for purified O 2 . However, the presence of CO 2 in fuel streams severely suppresses syngas generation when using iron-based oxygen carriers. This study has identified the most possible pathway of the reactions among CO 2 , CH 4, and FeTiO 3 through density functional theory calculation and isotope analysis. Based on the revealed mechanism, a novel strategy for chemical looping CH 4 reforming coupled with CO 2 utilization has been demonstrated by using naturally occurring and low-cost ilmenite ore as both an oxygen carrier and a catalyst. With a well-designed solid configuration, not only can the suppressing effect of CO 2 on CH 4 partial oxidation be mitigated to some extent, but CH 4 and CO 2 can be simultaneously converted into syngas within the same reactor.
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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 | 0.000 | 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".