Measurement of H2 consumption and its role in continuous fermentative hydrogen production
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
To maximise the yield from fermentative H(2) production, H(2) consumption must be minimised. This work demonstrated for the first time that H(2) consumption exists in an established continuous-flow biohydrogen system. The rate of H(2) consumption was found to be related to the concentration of CO(2), with H(2) consumption inhibited at both low and high CO(2). N(2) sparging of the continuous reactor at 31 mL/min/L-liquid increased the H(2) yield from 1.31 to 1.87 mol H(2)/mol glucose, but did not significantly change the in-situ rate of H(2) consumption (0.07-0.09 mM/h). Assuming sparging completely inhibited H(2) consumption, it could only account for 2-11% of the H(2) yield increase during sparging, based on H(2) consumption rates measured in the reactor and in vials. Therefore, H(2) consumption may be of minor concern for continuous biohydrogen systems.
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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 | 0.000 | 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) | 0.000 | 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 it