Title : KHCO3 activated biochar supporting MgO for Pb(II) and Cd(II) adsorption from water: Experimental study and DFT calculation analysis.

Pub. Date : 2022 Mar 15

PMID : 34920220






4 Functional Relationships(s)
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1 A new strategy that simultaneous use of KHCO3 activated biochar and nano-MgO incorporation for Pb2+ and Cd2+ removal from water was raised. mgo CD2 molecule Homo sapiens
2 The O-top of MgO was the most stable adsorption site for Pb2+/Cd2+ adsorption compared with other adsorption sites (Mg-top, bridge, and hollow). mgo CD2 molecule Homo sapiens
3 In addition, the results of charge density maps and projected density of state (PDOS) showed that the overlap of electron cloud and orbits between MgO and Pb2+ were denser than Cd2+, indicating that MgO-K-BC had a stronger affinity for Pb2+ than Cd2+, so that, MgO-K-BC had a higher adsorption capacity for Pb2+ than Cd2+. mgo CD2 molecule Homo sapiens
4 In addition, the results of charge density maps and projected density of state (PDOS) showed that the overlap of electron cloud and orbits between MgO and Pb2+ were denser than Cd2+, indicating that MgO-K-BC had a stronger affinity for Pb2+ than Cd2+, so that, MgO-K-BC had a higher adsorption capacity for Pb2+ than Cd2+. mgo CD2 molecule Homo sapiens