Incorporation of humic acid into biomass derived carbon for enhanced adsorption of phenol.
作者： Min Song , Bing Song , Fanyue Meng , Dandan Chen , Fei Sun
DOI: 10.1038/S41598-019-56425-8
关键词: Inorganic chemistry 、 Activated carbon 、 Adsorption 、 Water environment 、 Chemistry 、 Absorption (chemistry) 、 Carbon 、 Phenol 、 Langmuir adsorption model 、 Humic acid
摘要: In the present work, biomass derived carbon decorated with humic acid (HC), was synthesized through impregnation method for adsorption of phenol from water environment. Humic acids contain more oxygen-containing functional groups and hydrogen bonds, which promotes binding between HC molecules. The results indicated that performance to better than commercial activated carbon. Moreover, in addition physical absorption, chemical reaction carboxylic on surface hydroxyl also played an important role during process. behavior described by equilibrium kinetics parameters. Pseudo-second order model can describe process well. Langmuir suitable data fitting, indicating mechanism tends be monolayer adsorption. Considering practical application, UV254, oxygen demand (COD) ammonia raw wastewater were selected as target contaminants corresponding experiments carried out. displayed exhibited excellent performance, especially as-prepared material had potential application control certain organic pollutants actual wastewater.
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