CO2 Absorption from Biogas Using Piperazine-Promoted 2-Amino-2-methyl-1-propanol: Process Performance in a Packed Column
In this work, CO2 absorption from simulated biogas is investigated using different blends of a PZ + AMP solution in an absorption system at CO2 partial pressures ranging between 20 and 110 kPa. The collected data were presented as CO2 removal profiles along the packed column and were evaluated in te...
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| Veröffentlicht in: | Sustainability 2022-06, Vol.14 (12), p.7095 |
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| creator | Rajiman, Viga Abdul Halim, Hairul Nazirah Shariff, Azmi Mohd Shahid, Muhammad Zubair Maulud, Abdulhalim Shah Lau, Kok Keong Tan, Lian See |
| description | In this work, CO2 absorption from simulated biogas is investigated using different blends of a PZ + AMP solution in an absorption system at CO2 partial pressures ranging between 20 and 110 kPa. The collected data were presented as CO2 removal profiles along the packed column and were evaluated in terms of CO2 removal efficiency (%) and average overall volumetric mass transfer coefficient in the gas phase (KGav¯). An increased PZ concentration in the AMP solution was found to significantly increase the CO2 removal efficiency and KGav¯ values. It was observed that, when conducted at different CO2 partial pressures, gas and liquid flow rates, and chemical concentrations, the Lamine/GCO2 ratio strongly influenced the process behaviour in the packed column. Additionally, the optimal inlet liquid temperature was observed to be 35 ± 2 °C in this study. |
| doi_str_mv | 10.3390/su14127095 |
| format | Article |
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| source | MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals |
| subjects | Absorption Biogas Carbon dioxide Efficiency Flow rates Flow velocity Gas absorption Gases Hydration Hydrogen bonds Liquid flow Membrane separation Packed columns Piperazine Solvents Sustainability Vapor phases |
| title | CO2 Absorption from Biogas Using Piperazine-Promoted 2-Amino-2-methyl-1-propanol: Process Performance in a Packed Column |
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