Abstract
Falling film column is a versatile piece of process equipment, which can be used as absorption, desorption, evaporation and distillation. In present work a utility two pass falling film column was used as gas-liquid desorber, operating in continuous mode of operation. Free HCl gas dissolved in 2-EHCF product was stripped/desorbed by using hot water utility. A diffusion based mathematical model was proposed to estimate effect of film thickness and column height on concentration of dissolved gas theoretically. Simulation with MATLAB shows a reasonably good agreement with experimental data. A systematic procedure is also presented for design of various critical process parameters. Work was further extended to study the absorption with chemical reaction for two different products.
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