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. 2020 Oct 13;10:17094. doi: 10.1038/s41598-020-74254-y

Figure 4.

Figure 4

(a) Stability of the silver nanoparticles on the STpe biomass support in water at various pH values, and (b) the effect of solution pH of the wastewater and agitation by ultra-sonication on the adsorption of bromophenol blue (at pH 4.0, adsorbent dosage 0.06 g, temperature 300 K, dye concentration 50 mg/L, sonication time 120 min, adsorbent contact time 180 min).