Recovery and use of conjunct polymers from ionic liquid catalysts

Abstract

A process comprising regenerating a used ionic liquid catalyst, recovering conjunct polymer from the regenerated catalyst and using at least a portion of the conjunct polymer is disclosed.

1 . A process comprising regenerating a used ionic liquid catalyst, recovering conjunct polymer from the regenerated catalyst and using at least a portion of the conjunct polymer. 
   
   
       2 . The process of  claim 1 , wherein the conjunct polymer is hydrogenated. 
   
   
       3 . The process of  claim 1 , wherein the conjunct polymer is dechlorinated. 
   
   
       4 . The process of  claim 1 , wherein the conjunct polymer is used to produce a hydrocarbon product. 
   
   
       5 . The process of  claim 1 , wherein the conjunct polymer is used to produce a fuel. 
   
   
       6 . The process of  claim 1 , wherein the conjunct polymer is used as a high energy content blending component in distillate fuel. 
   
   
       7 . The process of  claim 1 , wherein the conjunct polymer is used to produce diesel fuel. 
   
   
       8 . The process of  claim 1 , wherein the conjunct polymer is used to produce jet fuel. 
   
   
       9 . The process of  claim 2 , wherein the recovered conjunct polymer is hydrogenated using a hydrotreating catalyst comprising at least one Group VI or VIII metal and their combinations dispersed on a porous high surface area support. 
   
   
       10 . The process of  claim 9 , wherein the hydrotreating catalyst is selected from the group consisting of palladium on carbon, palladium on alumina, NiMo on alumina, CoMo on alumina, and NiW on alumina. 
   
   
       11 . The process of  claim 3 , wherein dechlorination is conducted by treatment of the recovered conjunct polymer with hot caustic. 
   
   
       12 . The process of  claim 10 , wherein the hot caustic comprises a metal hydroxide solution selected from the group consisting of NaOH, KOH, CsOH, RbOH, Mg(OH) 2 , Ba(OH) 2  and their mixtures. 
   
   
       13 . A hydrocarbon product composition comprising conjunct polymer recovered from used ionic liquid catalyst. 
   
   
       14 . The composition of  claim 13 , wherein the hydrocarbon product is selected from the group consisting of lubricants, distillate fuel, diesel fuel, and jet fuel. 
   
   
       15 . The composition of  claim 13 , wherein the conjunct polymer has been treated. 
   
   
       16 . The composition of  claim 13 , wherein the conjunct polymer has been treated to remove chlorine or sulfur.