• green route for the chlorination of nitrobenzene

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 992
    • تعداد پرسش و پاسخ ها: 0
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     a new green chlorination process of deactivated aromatics has been developed, being environmental-friendly and allowing the continuous chlorination of 1.7 kg nitrobenzene/kg catalyst per day.

    the triple novelty consists of using a non-conventional chlorination agent, the trichloroisocyanuric acid(tcca, c3n3o3cl3), along with solid acid catalysts (mainly zeolites) in a continuous flow reactor system. different zeolites and solid acids have been tested in the chlorination of nitrobenzene, chosen as a model deactivated aromatic substrate.

    husy zeolite was found as the more promising catalyst for performing the chlorination of nitrobenzene, with good conversions (39–64%) at high selectivity toward monochlorinated products (90–99%). finally, it is worthy to note that husy zeolite could be reused for at least five successive runs.

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