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Figure 1

From: Mechanistic understanding of the adsorption and thermodynamic aspects of cationic methylene blue dye onto cellulosic olive stones biomass from wastewater

Figure 1

SEM images of the green and black olive stones of 0.50–0.250 mm size before and after MB adsorption. (A) Green olive stones at 25 °C. (B) Green olive stones after MB adsorption (1000 ppm MB). (C) Green olive stones after MB adsorption (600 ppm MB), (D) Black olive stones at 25 °C. (E) Black olive stones after MB adsorption (1000 ppm MB). (F) Black olive stones after MB adsorption (600 ppm MB).

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