Carboxymethyl cellulose stabilized and sulfidated nanoscale zero-valent iron: Characterization and trichloroethene dechlorination

[Display omitted] •Both one-pot and two-step CMC-S-nZVI particles have a diameter ∼100 nm.•Combination of stabilization and sulfidation enhanced nZVI reactivity by one order of magnitude.•Stabilization decreased electron efficiency εe while sulfidation compensated it.•Sulfidation at S/Fe > 0.2 co...

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Veröffentlicht in:	Applied catalysis. B, Environmental Environmental, 2020-03, Vol.262, p.118303, Article 118303
Hauptverfasser:	Xu, Wenqiang, Li, Zhenjie, Shi, Shasha, Qi, Jianlong, Cai, Shichao, Yu, Ye, O’Carroll, Denis M., He, Feng
Format:	Artikel
Sprache:	eng
Schlagworte:	Aging Carboxymethyl cellulose Carboxymethylcellulose Cellulose Contaminants Dechlorination Dithionite Hydrogen evolution reactions Hydrogen reduction Iron Longevity Nanoscale zero-valent iron Reactivity Stabilization Sulfidation Sulfide Sulfur Trichloroethylene X ray photoelectron spectroscopy
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