Polymer gel and use thereof for separating components from liquid resulting from desulfurization and decyanization process

摘要

A gel of a cross-linked polymer more than 50 weight %, desirably more than 60 weight %, and more desirably more than 70 weight %, of whose repeating units are selected from 2,3-dioxypropyl (meth)acrylate and 2,3-dioxypropyl (meth)allyl ether moieties, the average particle diameter of the gel being more than 10 µ, preferably from 30 to 150 µ, and the gel water content being from 30 to 150%, preferably from 50 to 100%. The gel is effective for separating rhodanates from liquid resulting from the desulfurization and decyanization of gases, the rhodanate being recoverable in high purity and other separated components being returnable to the desulfurization step.