Adsorption of Astrazon red GTLN (AR) with volcanic tuff Bayburt Stone
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Abstract
The discharge of dyestuffs originating from the textile industries pollutes the natural waters. Therefore, the adsorption which used to remove dyestuffs from wastewater, is an effective, economical and successful method. Adsorption is a very effective, widespread, easy and inexpensive method used for textile dye removal from wastewater. Bayburt stone powders were used as adsorbent and Astrazon Red GTLN textile dye was used as adsorbate. According to the results of the study, the optimum pH value was 10, the initial dye concentration was 10 mg/L, the mixing speed was 200 rpm and the adsorbent amount was 10 g/L. Langmuir, Freundlich and Temkin isotherms were used to evaluate the adsorption dynamics. Langmuir isotherm was best fit and Astrazon Red removal efficiency was found to be 85% by using Bayburt stone under optimum conditions.
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