Experimental Study on Breakthrough Separation for Hydrogen Recovery from Coke Oven Gas Using ZIF-8 Slurry

A large amount of COG (coke oven gas) is produced from coking plants every year, which contains 55–60% H2. In this work, the breakthrough separation H2 with ZIF-8/ethylene glycol-water slurry was studied. Following investigation (ab-ad)sorption isotherms single component gas CH4 and H2, main components coke gas, in different slurries their corresponding viscosities, influence operating conditions on dynamic performance CH4/H2 were studied a bubble column. Low temperature, inlet flow rate, high pressure, solid content can extend time, where longest time interval between be as long 70 min, meaning purity product could obtained easily. All results work prove feasibility method to separate mixture provide theoretical basis for practical industrial applications.