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Creators/Authors contains: "Prakash, G_K_Surya"

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  1. ; ; ; (, ChemCatChem)
    Abstract Rising CO2levels are leading to an increase in atmospheric greenhouse gas effect. Hydroxide salts have previously been shown to be promising reagents for capturing CO2. Utilizing a 5 %Ru/Al2O3catalyst, the carbonates obtained through CO2capture can then be hydrogenated to methane. This conversion occurs at relatively mild temperatures from 200 °C to 250 °C under 40 to 70 bar H2with yields of up to 100 %. Natural sources of calcium carbonate, like eggshells and seashells, can also be partially converted to methane. The direct air CO2capture and conversion of CO2to methane was achieved as well in quantitative yields. 
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