Select the best solvent out of H2O, MEA, DEA, TEA for the absorption of CO2. Also determine the optimum operating condition (solvent rate, temperature, and pressure) for the best solvent. The column has an inside diameter of 80 mm. The packed section has a length of 1.27 m and consists of dumped glass Raschig-style rings. The dimensions of the rings are an ID of 8 mm, an OD of 10 mm, and a height of 9 mm.