| abstract |
The present invention relates to a zeolite adsorbent based on small agglomerated crystals of zeolite X containing barium, which combine optimum properties with respect to selectivity and mechanical strength. The adsorbent is used for the separation of aromatic C 8 isomers, particularly xylenes, substituted toluene isomers such as nitrotoluene, diethyltoluene or toluenediamine, cresols and polyhydric alcohols such as sugars. Has use. |