High pressure physical solubility of carbon dioxide (CO<sub>2</sub>) in mixed polyethylene glycol dimethyl ethers (Genosorb 1753)
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 CO2 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 (CO2) 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 CO2 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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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".