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What is 1,4-Diisopropylbenzene in Para-Xylene Separation about?

This patent describes a process for separating para-xylene from a mixture containing xylene isomers, ethylbenzene, and C9 aromatics. The process uses an X or Y zeolite adsorbent and 1,4-diisopropylbenzene as the desorbent. 1,4-diisopropylbenzene is identified as a new "heavy" desorbent that has a higher boiling point than C9 aromatics, allowing easier separation and recycling of the desorbent. Using this desorbent reduces the cost of para-xylene separation compared to conventional desorbents.

Author

rifkynoviyanto

Language

EN