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Process for selective disproportionation of toluene and disproportionation and transalkylation of toluene and C9amp;plus; aromatics
Process for selective disproportionation of toluene and disproportionation and transalkylation of toluene and C9amp;plus; aromatics
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机译:甲苯的选择性歧化以及甲苯和C9 + plus的歧化和烷基转移的方法;芳香族
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摘要
The present invention relates to a process for the selective disproportionation of toluene and the disproportionation and transalkylation of toluene and C9+ aromatics to mainly solve the problems in the prior arts of the great amount of recycle stream, high energy consumption or harsh requirement for the reaction feedstocks. The present invention has better solved these problems by the technical solution using a process for selective disproportionation of toluene to produce mixed xylenes containing a high concentration of p-xylene, and subsequent disproportionation and transalkylation of C9+ aromatics and toluene to produce benzene and the mixed xylenes which are in the thermodynamic equilibrium. The process is applicable to the industrial production.
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