التفاصيل البيبلوغرافية
| العنوان: |
Aqueous Potassium Salt of L-Cysteine as Potential CO 2 Removal Solvent: An Investigation on Physicochemical Properties and CO 2 Loading Capacity. |
| المؤلفون: |
Tengku Hassan, Tengku Nur Adibah, Mohd Shariff, Azmi, Abd Aziz, Nor Faiqa, Mustafa, Nur Farhana Ajua, Tan, Lian See, Abdul Halim, Hairul Nazirah, Mohamed, Mustakimah, Hermansyah, Heri |
| المصدر: |
Sustainability (2071-1050); Aug2023, Vol. 15 Issue 15, p11558, 23p |
| مستخلص: |
The operational and economic constraints suffered by amine solvents for CO2 removal have motivated the research on an alternative solvent with better performance and cost-effectiveness. Amino acid salt (AAS) has been identified as an interesting green solvent, an alternative to commercial amine solvents. The present work evaluated the physicochemical and CO2-solubility properties of potassium L-cysteine (K-CYS), a naturally occurring amino-acid-based solvent for CO2 removal from natural gas. Its physicochemical properties, including density, viscosity, and refractive index, were measured at different temperatures ranging between 298.15 and 333.15 K and a concentration range of 5 to 30 wt.%. Based on the experiment, all properties were found to decrease with increasing temperature and increase with increasing concentration. The experiments also demonstrated a significant reduction of CO2 loading from 2.4190 to 1.1802 mol of CO2/mol of K-CYS with increasing solvent concentration from 10 to 30 wt% at 313.15 K and 20 bar (g). [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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