阐述了微量金属元素在餐厨垃圾厌氧消化过程中的重要作用，以及产甲烷菌对微量金属元素的需求量。总结了微量金属元素单独、联合投加对餐厨垃圾厌氧消化的影响，分析了微量金属形态的变化及螯合剂对生物利用度的研究进展，并归纳了该领域未来的研究方向。

The important roles of trace metal elements in the anaerobic digestion process of kitchen wastes are described in this paper.The demand of methanogens for trace metal elements is emphatically elaborated.Effects of single dosing and combined dosing of trace metal elements on the anaerobic digestion of kitchen waste are summarized,and the changes of trace metal speciation and the research progress of chelating agents on their bioavailability are also analyzed.Future research directions in this field are summarized.

钟婷婷(1998-),女,本科生