首页|Surface Modification of Bamboo-based Activated Carbon for Methylene Blue Removal
Surface Modification of Bamboo-based Activated Carbon for Methylene Blue Removal
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国家科技期刊平台
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The feasibility of biomass-based activated carbon has received tremendous attention owing to its excellent properties,such as insensitivity,good adsorption performance,and potential to reduce the strong dependence on non-reproducible precursors.In this study,bamboo-based activated carbon(BAC)was used as the raw material for methylene blue(MB)removal.Cetyltrimethylammonium bromide(CTAB),sodium dodecyl sulfate(SDS),and sodium dodecylbenzene sulfonate(SDBS)were used as BAC surface modifiers.The morphologies and structures of the samples were characterized.In addition,the effects of the surfactant type and concentration on the adsorption-based removal of MB from aqueous solutions by the modified BAC were systematically investigated.For the 0.2 g/L MB solution,the MB removal rate reached 99.7％when the concentration of CTAB was 0.25 g/L.Moreover,the kinetic model curve of 0.25 g/L CTAB-modified BAC(CAC)was consistent with the Freundlich isotherm model.This research work enriches the technical pathway of modification and application of activated carbon,which is not only beneficial for realizing the high-value utilization of biomass bamboo resources but also can play an active role in guiding the treatment of MB-containing wastewater.
Pulp and Papermaking Center Zhejiang Sci-Tech University,Hangzhou,Zhejiang Province,310018,China
Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province,Zhejiang Sci-Tech University,Hangzhou,Zhejiang Province,310018,China
Derong Tang,Ruonan Zhao,Feiyun Li,et al.Surface Modification of Bamboo-based Activated Carbon for Methylene Blue Removal[J].造纸与生物质材料(英文),2023,8(1):12-25.DOI:10.26599/PBM.2023.9260002.
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