摘要
借助Web of Science,利用文献计量学方法定量分析了2001—2015年15年间发表的与Cr污染土壤修复相关的文献,研究了Cr污染土壤修复在不同时期(2001—2005、2006—2010、2011—2015年)的发展与演变,对比了不同阶段Cr污染土壤修复技术发展的异同点。文献计量分析显示,Cr污染土壤修复历程由早期的以电动力修复、生物修复主导的应用可行性研究,逐渐转向土壤淋洗修复、钝化还原修复以及以筛选修复菌种与修复植物为核心的生物修复技术研究时期,进而向多技术联合修复、新技术和新材料的探索研究阶段发展,学科交叉融合不断增强。Cr污染土壤修复技术3个阶段的研究内容由少至多,由浅入深,材料功能优化和环境友好化日益成为研究的驱动力。历经数十年发展后,以负载和纳米化为特征的新型修复材料制备及应用将成为下一阶段的研究重点,而修复技术的深度融合与地域化适应将是修复技术实际应用中需要突破的瓶颈。
Bibliometrics was used to quantitatively analyze literatures about the remediation of chromium-contaminated soil during the last 15 years based on the Web of Science database. The development and change in the remediation technologies of chromium-contaminated soil in the different stages(years 2001—2005, 2006—2010 and 2011—2015)were investigated to compare the similarities and differences in the remediation technologies in the different stages. The results indicated that the application feasibility of electrokinetic remediation and bioremediation are dominated at the initial stage, and then topics transferred to soil washing remediation, passivation or reduction remediation and bioremediation with the concentration on the screening bioremediation strain and phytoremediation. Nowadays, the remediation technologies come to combined remediation with several technologies, exploration of new techniques and materials, indicating the enhancement of interdisciplinary. The studies on the remediation of chromium-contaminated soil developed more and more thoroughly and widespreadly, the driving force for which was the optimization of material function and environmentally-friendly materials and technologies.After decades of development, the focus in the next stage would be the application of new nano and loading-form materials. The challenge for the remediation would be the difficulties in integration and regional adaptation of remediation technologies.
引文
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