Comparing the performance of granular coral limestone and Leca in adsorbing Acid Cyanine 5R from aqueous solution

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Abstract

The effect of granular coral limestone and Leca as adsorbents for removing Acid Cyanine 5R (AC5R) from aqueous solution was studied. The optimum pH and adsorbent particles size in both adsorbents were determined to be 3 and 297 μm, respectively. The optimum dosages of coral limestone and granular Leca were 0.150 and 0.145 g/mg of dye, respectively. Also, results have shown that the adsorption efficiency by both coral limestone and Leca increased with the decreasing adsorbent particles size. Moreover, under similar conditions, the maximum removal efficiency by granular coral limestone and Leca was 94% and 88%, respectively. The results revealed that the performance of granular coral limestone was better in AC5R removal than that of Leca granulated under such condition. In total, granular coral limestone and Leca act as suitable adsorbents for removing dye pollutants from an aqueous solution.

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Shokoohi, R., Samadi, M. T., Samarghandi, M. R., Ahmadian, M., Karimaian, K., & Poormohammadi, A. (2017). Comparing the performance of granular coral limestone and Leca in adsorbing Acid Cyanine 5R from aqueous solution. Saudi Journal of Biological Sciences, 24(4), 749–759. https://doi.org/10.1016/j.sjbs.2016.01.012

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