生物质基活性炭处理重金属废水研究进展

Research progress of treatment of heavy metal containing wastewater by biomass based activated carbon

综述了生物质基活性炭用于处理废水中重金属离子常用的制备方法,影响其处理效果的因素。指出通过深入研究活性炭表面的理化性质对重金属离子吸附性能影响,获得孔隙结构和表面官能团对重金属离子吸附量的函数关系,优化制备工艺,可以大大提高对重金属离子的吸附性能,并对今后的研究方向进行了展望。

The preparation methods of biomass-based activated carbon for the treatment of heavy metal ions in wastewater are reviewed. The influencing factors on their treatment effect are also discussed. The roles of physical and chemical properties of biomass-based activated carbon in the adsorption of heavy metal ions are further studied. The function relationship of the adsorption capacity with the pore structure and surface functional groups is achieved. The biomass-based activated carbon obtained by the optimized preparation method can improve the adsorption capacity of heavy metal ions from aqueous solutions. The research directions of biomass-based activated carbon in the future are proposed as well.