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Methane Reforming Ni - Europe PMC

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Last Updated: 16 May 2022

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Coke-Resistant Ni/CeZrO 2 Catalysts for Dry Reforming of Methane to Produce Hydrogen-Rich Syngas.

The catalyst support and Ni composition's effects were investigated on the catalyst's physicochemical properties and performance. The 10%Ni/CeZrO 2 catalyst exhibited the highest catalytic performance over a 260-min cycle at 700 °C, atmospheric pressure, and a WHSV of 60,000 mL -1 h -1, respectively, with conversions of CH 4 and CO 2 up to 74% and 55% being achieved.

Source link: https://europepmc.org/article/MED/35564265


Coke-Resistant Ni/CeZrO2 Catalysts for Dry Reforming of Methane to Produce Hydrogen-Rich Syngas

The catalyst support and Ni composition had an effect on the physicochemical properties and performance of the catalysts. The 10%Ni/CeZrO2 catalyst's highest catalytic results were found over a period of 240 min at 700 °C, atmospheric pressure, and a WHSV of 60,000 mL g=1 h1 were also achieved, with conversions of CH4 and CO2 up to 74% and 55% reported respectively. The H2/CO ratio in the product was 1. 4, which is higher than the stoichiometric ratio of 1, indicating a higher concentration of H2 in the product.

Source link: https://europepmc.org/article/MED/PMC9101300


Future Paradigm of 3D Printed Ni-Based Metal Organic Framework Catalysts for Dry Methane Reforming: Techno-economic and Environmental Analyses

Biogas reforming by dry synthesis is regarded as an environmentally viable way for sustainable H2 production for decades. However, the Malaysian context in which palm oil mill effluent production is abundant is seen as a potential renewable energy source for renewable energy generation. Nickel is the most common catalyst used in the industrial-scale dry deformation of methane to yield H2, but it is vulnerable to sintering and deactivation issues after a long reaction time at high temperatures. This work also accounted for 3D printing techniques for the mass production of Ni-MOF catalysts, where the net present value was 2 to 3% higher than that of the conventional production method. In addition, sensitivity research revealed that the H2 price has the most effect on DRM's feasibility when compared to other cost factors.

Source link: https://europepmc.org/article/MED/PMC9096962


Improving Anti-Coking Properties of Ni/Al2O3 Catalysts via Synergistic Effect of Metallic Nickel and Nickel Phosphides in Dry Methane Reforming

Nickel dispersion, as well as nickel and alumina support's interactions, which results in smaller nickel particles, are all related to increased nickel dispersion. All P contained catalysts have been reported that metallic nickel and nickel phosphides species co-exist. Following 50 h of dry methane reforming, NiP-2/Al2O3 catalyst exhibits the best balance between CH4 dissociation and CO2 dissociation, demonstrating the highest degree of CO2 dissociation.

Source link: https://europepmc.org/article/MED/PMC9101347


Modeling and optimization of dry reforming of methane over Ni-Co/Al 2 O 3 -ZrO 2 catalyst coating via PVD method in a microchannel reactor using Box-Behnken design

Ni-Co /Al 2 O 3 / ZrO 2 nanocatalyst was investigated in a microchannel reactor using physical vapor deposition technology in the latest research, which found that to optimize dry reforming of methane. In the case where increasing coating time yielded more uniform and properly dispersed catalyst particles, catalyst film activity was highly dependent on coating time. However, increased Co-weight percentages led to increased particle size and lower catalytic activity, despite the fact that the active sites were synthesized and Ni particles were coated by the Co-rich phase. When the coating time was 3. 87 minutes, Co/Ni weight percentage was 45. 0 percent, first CO 2 conversion, H 2 CO molar ratio, and catalyst deactivation were reported under the appropriate conditions, the highest amounts of initial CH 4 conversion, initial CO 2 conversion, initial CO 2 conversion, H 2 CO molar ratio, and catalyst deactivation were measured in the correct condition.

Source link: https://europepmc.org/article/PPR/PPR485124


One-Step Solvothermal Synthesis of Ni Nanoparticle Catalysts Embedded in ZrO 2 Porous Spheres to Suppress Carbon Deposition in Low-Temperature Dry Reforming of Methane.

In addition, carbon deposition of Ni nanoparticles in the DRM reaction was effectively eliminated in the case using the SiO 2 -ZrO 2 composites, while using the Ni nanoparticles in the DRM reaction.

Source link: https://europepmc.org/article/MED/35435525


Promoting Dry Reforming of Methane Catalysed by Atomically-Dispersed Ni over Ceria-Upgraded Boron Nitride.

We found an atomically dispersed Ni herein, but our reports indicate that the specific work of boron nitride-backed Ni exceeds that of boron nitride-support Ni by three times. The results of a temperature-programmed surface reaction show that ceria enhanced the absorption of CO 2 and its surface-active oxygen species may have contributed to CH 4's activation. The incorporation of active metal oxides into inert supports provides a way to adjust the relationship between metal and support, as well as a synergistic improvement in catalytic results.

Source link: https://europepmc.org/article/MED/35246955

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions