Preparation of Mn/Zn@PG Catalyst for Catalytic Oxidation Treatment of Coal Chemical Wastewater.

Int J Environ Res Public Health · 2022 · PMC9518122 · PMID 36078522

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showed a trendno p-value reported

As shown in Figure 3 g–i, with the increase of the catalyst filling rate, the removal rates of COD, total phenol, and chromaticity all showed a trend of first increasing and then decreasing.

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