Experimental Study of Cyclic Adsorption/Desorption ofMEK in an ESA Device

摘要

An automated bench-scale adsorption device was designed and used to study effects ofselect independent engineering parameters on the ability of the system to capture and recovera hazardous air pollutant (HAP, I.e. methyl ethyl ketone) from air streams. Experiments werecompleted in two stages: Stage I consisted of “Screening Experiments” and Stage II consistedof “Central Composite Design experiments.” The screening experiments were used toidentify significant factors. Response surfaces for the significant factors were thendetermined during the second stage of the experiments.These experimental results provided a better understanding of the physical phenomena andevaluation of significant factors that influence the ability of the adsorption system to captureand recover methyl ethyl ketone from air streams. This system can be modified to minimizethe energy consumption per unit mass of liquid recovered by choosing an appropriateadsorbent, number of cartridges per vessel, packing density of the adsorbent, andregeneration temperature of the adsorbent. These results were also used to scale-up this noveltechnology.