Patent ID: 9222034
Filing Date: 2015-12-29
Classification: C10G

Abstract:
1. A process for removing at least one product from coal tar comprising: providing a coal tar stream; removing at least one product from the coal tar stream by extraction with an extraction agent or adsorption with an adsorbent to form a treated coal tar steam, the extraction agent comprising an amphiphilic block copolymer comprising at least two blocks selected from polyethylene oxide blocks, polypropylene oxide blocks, butylene oxide blocks, silicone blocks, urethane blocks, polyurethane ionomer blocks, acrylate ionomer blocks, polymethylacryate blocks, polyacrylic acid blocks, or polyvinylidene chloride blocks and the adsorbent comprising exfoliated graphite oxide, thermally exfoliated graphite oxide or intercalated graphite compounds; recovering the at least one product; and separating the treated coal tar stream into at least two fractions.