南华大学学报（自然科学版）2024，Vol.38Issue(6)：11-18,8.DOI:10.19431/j.cnki.1673-0062.2024.06.002
含铀合果芋的腐解特性分析
Characterization of Decay of Uranium-containing Syngonium podophyllum Schott
摘要
Abstract
The study collected Syngonium podophyllum Schott after remediation of uranium-containing soils,simulated its decay process in the natural environment,and analyzed its mass loss,uranium release,and impact on the soil environment during the decay process,as well as the changes in its morphological characteristics,functional groups and soil mi-crobial diversity.The results showed that after 128 days of decomposition of uranium-con-taining Syngonium podophyllum Schott residues,the mass residue rate was 40.70%and the total uranium release rate was 70.48%,and the decomposition of Syngonium podo-phyllum Schott affected the soil environment,and the presence of uranium inhibited the decomposition of Syngonium podophyllum Schott.Scanning electron microscopy,infrared spectroscopy and microbial diversity analysis revealed:The morphology of Syngonium pod-ophyllum Schott changed before and after decay;the intensity of the absorption peaks of lignin,hemicellulose and cellulose decreased,representing their degradation;Proteobac-teria,Firmicutes and Bacteroidota among bacteria and Ascomycota among fungi play key roles in the decomposition of lignin,hemicellulose and cellulose in Syngonium podophyllum Schott residues.These studies have shown that uranium-containing plant resi-dues undergo decay during the apoptosis phase,and the uranium in the plants is released into the soil,resulting in contamination of the surrounding environment.关键词
铀/合果芋/腐解/官能团/微生物多样性Key words
uranium/Syngonium podophyllum Schott/decomposition/functional group/mi-crobial diversity分类
资源环境引用本文复制引用
张豪杰,陈宇翔,谭劲龙,邓钦文,曾奕翔..含铀合果芋的腐解特性分析[J].南华大学学报（自然科学版）,2024,38(6):11-18,8.基金项目
国家自然科学基金项目(12275123) （12275123）
湖南省自然科学基金项目(2018JJ2330) （2018JJ2330）
