KOH-Activated Geopolymer Microspheres Recycle Co(II) with Higher Adsorption Capacity than NaOH-Activated Ones
Qiaoqiao Su, Liang Deng, Quan Ye, Yan He, Xuemin Cui
Abstract
and OH before and after Co(II) adsorption, and X-ray photoelectron spectroscopy analysis like the relative content of geopolymer gel and bridging oxygen bonds in the Na-SGM and K-SGM are the fundamental reasons for the obvious differences in Co(II) adsorption between Na-SGM and K-SGM.
Topics & Concepts
AdsorptionMetalX-ray photoelectron spectroscopyGeopolymerIonic radiusSpecific surface areaBET theoryNuclear chemistryFourier transform infrared spectroscopyMaterials scienceChemistryIonCatalysisChemical engineeringPhysical chemistryOrganic chemistryMetallurgyFly ashEngineeringConcrete and Cement Materials ResearchClay minerals and soil interactionsChemical Synthesis and Characterization