TY - JOUR
DO - 10.1021/acs.est.1c01251
UR - http://dx.doi.org/10.1021/acs.est.1c01251
TI - Recent Advances in Sulfidated Zerovalent Iron for Contaminant Transformation
T2 - Environmental Science & Technology
AU - Garcia, Ariel Nunez
AU - Zhang, Yanyan
AU - Ghoshal, Subhasis
AU - He, Feng
AU - O’Carroll, Denis M.
PY - 2021
DA - 2021/06/25
PB - American Chemical Society (ACS)
SP - 8464-8483
IS - 13
VL - 55
SN - 0013-936X
SN - 1520-5851
N2 - 2021 marks 10 years since controlled abiotic synthesis of sulfidated nanoscale zerovalent iron (S-nZVI) for use in site remediation and water treatment emerged as an area of active research. It was then expanded to sulfidated microscale ZVI (S-mZVI) and together with S-nZVI, they are collectively referred to as S-(n)ZVI. Heightened interest in S-(n)ZVI stemmed from its significantly higher reactivity to chlorinated solvents and heavy metals. The extremely promising research outcomes during the initial period (2011–2017) led to renewed interest in (n)ZVI-based technologies for water treatment, with an explosion in new research in the last four years (2018–2021) that is building an understanding of the novel and complex role of iron sulfides in enhancing reactivity of (n)ZVI. Numerous studies have focused on exploring different S-(n)ZVI synthesis approaches, and its colloidal, surface, and reactivity (electrochemistry, contaminant selectivity, and corrosion) properties. This review provides a critical overview of the recent milestones in S-(n)ZVI technology development: (i) clear insights into the role of iron sulfides in contaminant transformation and long-term aging, (ii) impact of sulfidation methods and particle characteristics on reactivity, (iii) broader range of treatable contaminants, (iv) synthesis for complete decontamination, (v) ecotoxicity, and (vi) field implementation. In addition, this review discusses major knowledge gaps and future avenues for research opportunities.
L1 - https://sci-hub.se/downloads/2021-08-11/83/garcia2021.pdf
ER -
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上述文章的地址为:[https://pubs.acs.org/doi/full/10.1021/acs.est.1c01251]()