Parameters Values Temperature 300 ± 1 K Pressure 1 atm Liquid flow rate 20.649 × 10-6, 34.145 × 10-6 and 48.183 × 10-6m3/s Gas flow rates 8.297 × 10-4, 13.829 × 10-4 and 19.36 × 10-4 Nm3/s Scrubbing liquids Tap Water and NaOH Solutions of different concentrations NaOH concentration 0.00125, 0.0025, 0.00375 and 0.005 kmol/m3 Inlet HCl concentrations 100, 200 and 300 ppm

Table 1: Operating conditions for the Experimental Study of HCl removal in Multistage Dual-flow Sieve Plate Column.