• synthesis of mordenite zeolite in absence of organic template

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1393/01/01
    • تاریخ انتشار در تی پی بین: 1393/01/01
    • تعداد بازدید: 769
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     mordenite is a zeolite that has been used as a selective adsorbent and as a catalyst. mordenite zeolite with crystal diameter 65 nm and crystal length 7 μm was successively synthesized in the absence of organic template by hydrothermal method at 180 °c for 5 days after stirring at high speed and aging in the synthesis mixture with the molar composition of 12na2o:100sio2:2al2o3:500h2o. the produced samples were investigated using xrd, sem, ft-ir, eds, dta/tg and bet surface area. the prepared sample, crystallized in needle shape crystals. total (bet) surface area was 52.14 m2/g whereas, total pore volume was 0.2 cm3/g. average pore diameter was 24.16 å. thermogravimetry analysis (dta/tg) showed that, at room temperature to 800 °c, mordenite mass loss is 6%.

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