生物炭去除土壤中重金属效果主要影响因素的研究进展

Research Progress on Main Factors Affecting Removal of Heavy Metals in Soil by Biochar

我国土壤重金属污染严重,生物炭因其特殊的理化性质逐渐成为研究的热点。本文介绍了生物炭的基本特性,综述了影响生物炭修复效果的主要因素,如生物炭种类、制备温度、改性方法、添加量及配合施用材料等。最后,对今后生物炭在土壤重金属修复工作的研究方向进行了展望。

China′ s soil heavy metal pollution is serious,and biochar has gradually become a research hotspot due to its special physical and chemical properties.This paper introduced the basic characteristics of biochar,and summarized the main factors affecting the biochar restoration effect,such as biochar type,preparation temperature,modification method,addition amount and compounding materials.Finally,the future research directions of biochar in soil heavy metal remediation work were prospected.