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US09309169B2 Process for the production of purified xylene isomers 有权
生产纯化二甲苯异构体的方法

Process for the production of purified xylene isomers
Abstract:
The invention is directed to a process to produce para-xylene and optionally, ortho-xylene, including coupling a C9+-aromatics-removal system with an isomerization system or with a parallel configuration of two isomerization systems to reduce xylenes recycle for energy savings and/or productivity increases.
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