Effective Factor Analysis for Chromium(VI) Removal from Aqueous Solutions and Its Application to Tunçbilek Lignite Using Design of Experiments

<div>Adsorption of chromium(VI) on PAC at 298 K (a) and 323 K (b). Solid line: fitting to the Freundlich isotherm; dashed line: fitting to the Langmuir isotherm.</div>

Journal of Chemistry

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Figure 6

Figure 6: Effective Factor Analysis for Chromium(VI) Removal from Aqueous Solutions and Its Application to Tunçbilek Lignite Using Design of Experiments 

Figure 6 | Effective Factor Analysis for Chromium(VI) Removal from Aqueous Solutions and Its Application to Tunçbilek Lignite Using Design of Experiments 