摘要
微生物修复作为一种高效率且无二次污染的修复技术,在重金属存在下多环芳烃的修复上有着广阔的应用前景。基于Web of Science核心数据库,通过文献计量可视化应用软件CiteSpace,分析了1998-2020年重金属存在下多环芳烃微生物修复的研究热点及趋势。结果表明:(1)重金属存在下多环芳烃微生物修复的论文发表数量呈快速增长趋势,主要的研究方向为环境科学、工程学、生物技术与微生物学;发文量最多的国家是中国,在全球研究机构中中国科学院的贡献最多。(2)关键词分析表明,研究热点集中在污染物种类(主要为镉、菲和芘)、降解机制、微生物修复技术和生物有效性。(3)研究趋势分析表明,生物炭、耐重金属菌株、风险评估、同时修复等为研究前沿。本研究为深入研究多环芳烃微生物修复技术和机理提供了参考。
As a high-efficiency remediation technology without secondary pollution,the microbial remediation has a broad application prospect in the remediation of polycyclic aromatic hydrocarbons(PAHs)in the presence of heavy metals.Based on the core database of Web of Science,the research hotspots and trends of microbial remediation of PAHs in the presence of heavy metals from 1998 to 2020 were analyzed by CiteSpace.The results showed that:(1)The number of published papers about the microbial remediation of polycyclic aromatic hydrocarbons(PAHs)in the presence of heavy metals showed a rapid growth trend,and the main research directions were the environmental science,engineering,biotechnology and microbiology;the country with the largest number of published papers was China,and the Chinese Academy of Sciences made the most contribution among the global research institutions.(2)The analysis of keywords showed that the research hotspots focused on the types of pollutants(mainly cadmium,phenanthrene and pyrene),degradation mechanism,microbial remediation technology and bioavailability.(3)The research trend analysis showed that the biochar,heavy metal-resistant strain,risk assessment and simultaneous remediation were the research fronts.This study provided reference for the further study of the microbial remediation technology and mechanism of PAHs.
作者
刘瑞
LIU Rui(School of Geographical Science, Fujian Normal University, Fuzhou, Fujian 350007, China;Institute of Geography, Fujian Normal University, Fuzhou, Fujian 350007, China)
出处
《福建农业科技》
2020年第11期49-56,共8页
Fujian Agricultural Science and Technology
关键词
重金属
多环芳烃
微生物修复
CITESPACE
计量分析
Heavy metal
Polycyclic aromatic hydrocarbons(PAHs)
Microbial remediation
CiteSpace
Quantitative analysis
作者简介
刘瑞,男,1995年生,硕士,主要从事污染土壤/沉积物的修复方向研究。
