مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Information Journal Paper

Title

Synthesis of Ni Supported Mesoporous Carbon Nitride Nanocatalyst for Selective Hydrogenation of Acetylene to Ethylene

Pages

  432-445

Abstract

 In this study, a nickel nanocatalyst was synthesized over a mesoporous carbon nitride (MCN), then used as catalyst support that was loaded by Ni nanoparticles for selective hydrogenation of Acetylene in Ethylene. The base of the catalyst was examined by the first polyol method with 15% by weight of nickel and the synthesized sample of the catalyst at temperatures of 700/800/900 was examined. Ni / MCN Catalysts Using methods FESEM, TPO, ICP, TGA, TEM, BET, FTIR, XRD, TPR, and Reactor tests were characterized. industrial catalyst Ni / Ɣ Aluminum The catalytic performance of nanocatalysts was evaluated in the temperature range of 200-40 ᵒC. New operating conditions for selective hydrogenation of Acetylene in an Ethylene-rich stream were introduced. As the temperature rises, it makes a very promising choice for Ethylene production and also suppresses oligomer formation during Acetylene hydrogenation. This nanocatalyst yielded significantly higher than 93% of what had previously been obtained for the production of Ethylene was found that loading Ni on MCN led to a performance with about 99% Acetylene conversion. performance compared to the G58C catalyst. Finally, Acetylene and Ethylene selectivity in different ratios of Acetylene and hydrogen inlet feed in the hydrogenation reaction were investigated. In addition to increasing the temperature or decreasing the H2 / AC molar ratio, the selectivity to Ethylene is 96% compared to 78% conversion by commercial catalysts.

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