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Synthesis and Application of Granular Activated Carbon from Biomass Waste Materials for Water Treatment:A Review

Journal of Bioresources and Bioproducts 2021年第4期6卷 292-322页

作者： joseph jjagwe Peter Wilberforce Olupot Emmanuel Menya Herbert Mpagi Kalibbala Department of Mechanical Engineering College of EngineeringDesignArt and TechnologyMakerere UniversityP.O.Box 7062Kampala-Uganda Department of Biosystems Engineering Gulu UniversityP.O.Box 166GuluUganda Department of Civil and Environmental Engineering College of EngineeringDesignArt and TechnologyMakerere UniversityP.O.Box 7062Kampala-Uganda

There is an increased global demand for activated carbon(AC)in application of water treatment and *** pollutants that have exhibited a greater removal efficiency by AC included but not limited to heavy metals,pharmaceuticals,pesticides,natural organic matter,disinfection by-products,and *** activated carbon(GAC)is mostly used in aqueous so-lutions and adsorption columns for water *** AC is not only costly,but also obtained from non-renewable *** has prompted the search for alternative renewable materials for AC *** wastes present a great potential of such materials because of their availability and carbonaceous *** in turn can reduce on the adverse environmental effects caused by poor disposal of these *** challenges associated with biomass waste based GAC are their low strength and attrition resistance which make them easily disintegrate under aqueous *** paper provides a comprehensive review on recent advances in production of biomass waste based GAC for water treatment and highlights future research *** parameters such as granulation conditions,use of binders,carbonization,activation methods,and their effect on textural properties are *** influencing the adsorption capacities of the derived GACs,adsorption models,adsorption mechanisms,and their regeneration potentials are *** literature reveals that biomass waste materials can produce GAC for use in water treatment with possibilities of being ***,there is a need to explore 1)the effect of preparation pathways on the adsorptive properties of biomass derived GAC,2)sustainable production of biomass derived GAC based on life cycle assessment and techno-economic analysis,and 3)adsorption mechanisms of GAC for removal of contaminants of emerging concerns such as microplastics and unregulated disinfection by-products.

关键词： Activated carbon Biomass waste Binder Water treatment Adsorption mechanism Regeneration

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