Designed for Olefin removal from BTX. XYLACT™ 20X is the most efficient clay catalyst in the market for the selective removal of olefins from Benzene/Toluene and Heavy Reformate (mainly Xylenes). Other grades of XYLACT™ are available for selective removal of N from Benzene feeds used in zeolite based processes for Ethylbenzene. Cumene and Phenol.