High pressure physical solubility of carbon dioxide (CO<sub>2</sub>) in mixed polyethylene glycol dimethyl ethers (Genosorb 1753)
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Bibliographic record
Abstract
Abstract Solubility of carbon dioxide in a mixture of polyethylene glycol dimethyl ethers (Genosorb 1753) was determined at 298.15, 313.15, 323.15 and 333.15 K at pressures up to 7940 kPa. The obtained solubility data are compared with those of CO 2 in other physical solvents. The results were correlated with the Peng–Robinson (Peng and Robinson, Ind. Eng. Chem. Fundam. 15, 59–64 1976) equation of state, and the interaction parameters are reported. Data at 323.15 K were predicted. Henry's Law constants were obtained from the data and the excess properties (excess Gibbs free energy, excess entropy and excess enthalpy) of the liquid mixture over the full range of composition were predicted at each temperature using the NRTL activity coefficient model. Enthalpy of solution and the enthalpy of mixing were determined at infinite dilution. In addition, the heats of absorption were determined using Clausius–Clapeyron equation. La solubilité du dioxyde de carbone (CO 2 ) dans un mélange de polyéthylène glycol diméthyl éthers (Genosorb 1753) a été déterminée à 298.15, 313.15, 323.15 et 333.15 K à des pressions allant jusqu'à 7940 kPa. Les données de solubilité obtenues sont comparées avec celles de CO 2 dans d'autres solvants physiques. Les résultats ont été corrélés avec l'équation d'état de Peng–Robinson (Peng and Robinson, Ind. Eng. Chem. Fundam. 15, 59–64 1976) et les paramètres d'interaction sont présentés. La solubilité à 323.15 K a été prédite. Les constantes de la loi d'Henry ont été obtenues à partir des données. Les propriétés en excès (l'énergie libre de Gibbs d'excès, l'entropie et l'enthalpie d'excès) du mélange liquide sur toute la gamme de composition a ont été prédites à chaque température en utilisant le modèle NRTL. L'enthalpie de solution et l'enthalpie de mélange ont été déterminées dilution infinie. Finalement, les chaleurs d'absorption ont été déterminées en utilisant l'équation de Clausius–Clapeyron. © 2011 Canadian Society for Chemical Engineering
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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 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
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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