Impact of Organophosphorus Compounds on Sulfur Solubility in Organic and Amine Solvents for Sour Gas Reservoirs
Bibliographic record
Abstract
Abstract This study investigates the solubility of elemental sulfur in various solvents, including toluene, amines, and organophosphorus compounds, specifically triphenylphosphine (TPP) and tributylphosphine (TBP). The solubility of sulfur was tested under atmospheric pressure and ambient temperature, and the results showed that quinoline exhibited the highest sulfur solubility among the amines, while TPP and TBP significantly enhanced sulfur solubility in comparison to conventional solvents like toluene. A novel approach was introduced by eliminating the filtering and washing steps typically required for sulfur removal, using amine agents to prevent the precipitation of sulfur compounds. This modification made the process more efficient, faster, and suitable for practical field applications. Additionally, the use of TBP in sulfur solubility is a new concept with potential implications for sulfur management in the oil and gas industry. In this work, the formation of organophosphorus sulfide was also examined using gas chromatography. These findings provide a foundation for future research aimed at optimizing sulfur removal techniques for industrial applications.
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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 | 0.000 | 0.001 |
| 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) | 0.002 | 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".