Properties of carbon dioxide absorption and reduction by sodium borohydride under atmospheric pressure

Direct CO2 Capture and Reduction to High‐End Chemicals with Tetraalkylammonium Borohydrides

“…This formatoborohydride formation has attracted attention again, leading to the publication of several studies [40–42] . The reaction has mostly been reported in solvent under CO 2 pressure, [40, 43] or under mechanochemical and thermally induced conditions [44, 45] . Recently, Jeong et al.…”

“…[38,39] This formatoborohydride formation has attracted attention again, leading to the publication of several studies. [40][41][42] Ther eaction has mostly been reported in solvent under CO 2 pressure, [40,43] or under mechanochemical and thermally induced conditions. [44,45] Recently,J eong et al described CO 2 uptake from porous g-Mg(BH 4 ) 2 nanocrystals on reduced graphene oxides.T his material exhibits rapid CO 2 uptake,c lose to 20 mmol g À1 at low partial pressure and temperature from 40 to 100 8 8C, due to the size effect.…”

Solvent‐ and Catalyst‐Free Carbon Dioxide Capture and Reduction to Formate with Borohydride Ionic Liquid

“…As an example, NaBH 4 contains 10.7 wt % of H, which surpasses that of conventional metal hydrides significantly . Recently, complex hydrides were investigated for CO 2 reduction without a metal catalyst . Knopf and Cummins demonstrated the formation of sodium triformatoborohydride (Na[HB(OCHO) 3 ]) if NaBH 4 is exposed to 20 bar of CO 2 in acetonitrile .…”

“…Knopf and Cummins demonstrated the formation of sodium triformatoborohydride (Na[HB(OCHO) 3 ]) if NaBH 4 is exposed to 20 bar of CO 2 in acetonitrile . Other studies show the reduction of CO 2 with borohydrides in aqueous solution or water/ethanol mixtures and require high temperatures or pressures to reduce CO 2 . Solvent‐free CO 2 reduction was reported under mechanochemical and thermally induced conditions .…”

Synthesis of CNTs via chemical vapor deposition of carbon dioxide as a carbon source in the presence of NiMgO

“…At this temperature, CO 2 is in its super critical state, and the calculated pressure is equal to 10 kbar (~75 Â 10 5 mmHg). Therefore, at 1000 C, the super critical CO 2 , with the assistance of molten MgO support, is decomposed to carbon nanotubes: [17,21].…”