Aiming at the pollution of volatile organic compounds(VOCs),a new adsorption device was designed based on the physicochemical properties of modified fly ash materials.Using modified fly ash as adsorbent,the cost is low and the regeneration operation is simple.The internal and external double filter barrel design greatly increases the contact area between the treated gas and the adsorbent;The design of rotating rising air makes the distribution of air pressure uniform,avoids the appearance of groove flow,reduces the thickness of dead layer,and improves the utilization rate of adsorbent;With a regeneration device,the adsorbent can be replaced with the filter cylinder to avoid secondary pollution during bulk transportation.This device is close to the actual gas treatment of industrial production,is a new VOCs treatment process that can achieve efficient VOCs capture and recovery,and repeated use of adsorbent.
NETL
NSTL
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