عنوان
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Enhancement of methanol production in a novel cascading fluidized-bed hydrogen permselective membrane methanol reactor
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نوع پژوهش
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مقاله چاپشده در مجلات علمی
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کلیدواژهها
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Cascading fluidized-bed membrane reactor, Methanol synthesis, Pd–Ag membrane
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چکیده
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In this work, a novel cascading fluidized-bed hydrogen permselective membrane methanol reactor (CFBMMR) concept has been proposed. In the first catalyst bed, the synthesis gas is partly converted to methanol in water-cooled reactor which is a fluidized-bed. In the second bed which is a membrane assisted fluidized-bed reactor, the reaction heat is used to preheat the feed gas to the first bed. This reactor configuration solves some observed drawbacks of new conventional dual-type methanol reactor even better than fluidized-bed membrane dual-type methanol reactor (FBMDMR). The two-phase theory in bubbling regime of fluidization is used to model and simulate the proposed reactor. The proposed model has been used to compare the performance of a CFBMMR with industrial dual-type methanol reactor (IDMR) and FBMDMR. This comparison shows that fluidizing catalyst bed in the water-cooled reactor caused a favourable temperature profile along the CFBMMR. Additionally, the simulation results represent 3.94% and 9.53% enhancement in the yield of methanol production in comparison with FBMDMR and IDMR respectively.
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پژوهشگران
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فرهاد رحمانی چیانه (نفر سوم)، محمد رضا رحیم پور (نفر اول)، مهدی بیات (نفر دوم)
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