Experimental Determination of <i>In Situ</i> Hydrogen Sulfide Production during Thermal Recovery Processes
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Bibliographic record
Abstract
Experimental techniques have been developed to determine in situ hydrogen sulfide (H 2 S) generation as a function of solution alkalinity, SO 4 2– concentration, and surrounding gas during thermal recovery processes. Experimentally, well-designed laboratory tests have been conducted to quantify the in situ generation of H 2 S in a surface passivation reactor. The reaction gases were analyzed using a gas analyzer, while the solution pH values were measured using a glass electrode. Solution alkalinity restrained the formation of H 2 S after subtracting the amount of H 2 S that neutralizes alkali in the solution. H 2 S production increases with an increase in SO 4 2– concentrations. CO 2 when used as the surrounding gas increases H 2 S production relative to N 2 . In comparison to N 2, the presence of CO 2 in the gas phase led to the significant increase in H 2 S generation and the H 2 S concentration was up to 32.1% at 280 °C. It is essential that the effect of solution pH values and SO 4 2– concentrations on the formation water and surrounding gas be taken into account while predicting produced hydrogen sulfide.
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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