State Key Laboratory for Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.
State Key Laboratory for Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.
J Environ Sci (China). 2022 Aug;118:140-146. doi: 10.1016/j.jes.2021.12.037. Epub 2022 Jan 4.
Integrating nanoscale zero-valent iron (nZVI) with biological treatment processes holds the promise of inheriting significant advantages from both environmental nano- and bio-technologies. nZVI and microbes can perform in coalition in direct contact and act simultaneously, or be maintained in separate reactors and operated sequentially. Both modes can generate enhanced performance for wastewater treatment and environmental remediation. nZVI scavenges and eliminates toxic metals, and enhances biodegradability of some recalcitrant contaminants while bioprocesses serve to mineralize organic compounds and further remove impurities from wastewater. This has been demonstrated in a number of recent works that nZVI can substantially augment the performance of conventional biological treatment for wastewaters from textile and nonferrous metal industries. Our recent laboratory and field tests show that COD of the industrial effluents can be reduced to a record-low of 50 ppm. Recent literature on the theory and applications of the nZVI-bio system is highlighted in this mini review.
将纳米零价铁（nZVI）与生物处理工艺相结合，有望继承环境纳米和生物技术的显著优势。nZVI 和微生物可以在直接接触中协同作用，同时进行，也可以在单独的反应器中保持并顺序操作。这两种模式都可以提高废水处理和环境修复的性能。nZVI 可以清除和消除有毒金属，并提高一些难生物降解污染物的可生物降解性，而生物过程则用于矿化有机化合物，并进一步从废水中去除杂质。这在许多最近的研究工作中得到了证实，即 nZVI 可以显著提高纺织和有色金属工业废水的常规生物处理的性能。我们最近的实验室和现场测试表明，工业废水中的 COD 可以降低到创纪录的 50ppm。本文对 nZVI-生物系统的理论和应用的最新文献进行了综述。
