Abstract
AbstractThe solvent absorption method was used for the separation of methane and hydrogen from the cracked gases to recover ethylene. The effects of the solvent/gas mass ratio, the operating pressure, and both the gas and solvent inlet temperatures on the solvent absorption behavior were studied. The optimal operating parameters obtained by orthogonal experimental analysis were as follows: solvent/gas mass ratio 3.5, operating pressure 2100 kPa, gas inlet temperature –10 °C, and solvent inlet temperature –40 °C. Excellent agreement was obtained between the experimental data and the simulation results, in all cases.
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