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. 2020 Jul 8;12(31):35424–35434. doi: 10.1021/acsami.0c08626

Figure 4.

Figure 4

TCE dechlorination by pristine nZVI and sulfide-treated nZVI with varying S/Fe ratios: (A) TCE removal, (B) hydrogen production, (C) distribution of primary products after 1 day of reaction, and (D) schematic of the proposed mechanism of TCE dechlorination and hydrogen evolution. The reactions were carried out at an initial TCE concentration of 20 mg L–1 and a particle dose of 1 g L–1 with respect to the iron content without pH adjustment. Whiskers indicate the standard deviation (SD).