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Dry reforming of methane (DRM) is the process of converting methane (CH4) and carbon dioxide (CO2) into synthesis gas (syngas). Since CO2 and CH4 are the two most important atmospheric greenhouse gases (GHGs), as well as abundant and low-cost carbon sources, DRM has the potential to mitigate rising GHG emissions and simultaneously realize clean(er) fossil fuel utilization.
Ni catalysts are the most promising candidates for DRM due to their low cost and high initial activity. However, in situ catalyst deactivation caused mainly by carbon deposition (coking) has hindered their commercial use.
Scientists - Dalian - Institute - Chemical - Physics
Scientists at the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences have now developed a completely coke-resistant Ni-based single-atom catalyst (SAC). Their findings were published in Nature Communications.
The researchers first developed a hydroxyapatite-(HAP) supported Ni SAC, studied its DRM performance, and found that both HAP-supported Ni SAC and Ni nanocatalyst deactivated quickly...
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