Patent ID: 6506935
Filing Date: 2003-01-14
Classification: C07B,C07C

Abstract:
A process for treating a liquid feed stream containing a contaminant comprising an iodine compound, the process comprising:a) pretreating the liquid feed stream to remove at least a portion of the contaminant and yield a pretreated liquid feed stream containing at least a residual amount of the iodine compound; and b) contacting the pretreated liquid feed stream with an adsorbent comprising a zeolite having a silica to alumina molar ratio from about 5 to less than 15 which has been cation exchanged with a metal selected from the group consisting of silver, mercury, copper, lead, thallium, palladium, and mixtures thereof, at adsorption conditions to adsorb at least a portion of the residual amount of iodine compound to yield a treated liquid stream.