Rice Husk Ash Derived SiO2 for Template Free Synthesis of H-ZSM-5 Support for Ni Catalyst: Investigation on Non-Oxidative CH4 Cracking for Clean H2 Production
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Abstract
H-ZSM-5(RH) was synthesized using rice husk without an organic reagent and explored it as a support for Ni in the catalytic cracking of methane (CCM). Detailed investigations of the fresh and used catalysts analysed by using XRD, SEM, TEM, H2-TPR, DT/TGA and CO pulse chemisorption techniques revealed that the high CCM activity was due to enhanced Ni dispersion and increased Cu-Ni interactions. Among the Ni/H-ZSM-5(RH) and bimetallic (Ni-M/H-ZSM-5(RH) M = Zn, Co, Fe, Cu) catalysts, the Cu-Ni/H-ZSM-5(RH) demonstrated a hydrogen yield of ~ 275 Nm3/molNi which was explained by a high degree of graphitization confirmed by Raman spectroscopic analysis.
期刊介绍：
Early dissemination of important findings from Asia which may lead to new concepts in catalyst design is the main aim of this journal. Rapid, invited, short reviews and perspectives from academia and industry will constitute the major part of Catalysis Surveys from Asia . Surveys of recent progress and activities in catalytic science and technology and related areas in Asia will be covered regularly as well. We would appreciate critical comments from colleagues throughout the world about articles in Catalysis Surveys from Asia . If requested and thought appropriate, the comments will be included in the journal. We will be very happy if this journal stimulates global communication between scientists and engineers in the world of catalysis.
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