Removal of Methylene Blue from Industrial Effluents Using Corncob Activated Carbon

N’guessan Louis Berenger Kouassi, Luc Dou Blonde, Koffi Martin N’Goran, A. Trokourey
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引用次数: 2

Abstract

Water contamination by methylene blue (MB) is a threat to human health and aquatic biota due to its toxicity, persistence, and non-biodegradability. However, there is little data available in the literature on the methylene blue removal approach from industrial effluents by corncob-activated carbon. The purpose of this study was to investigate the adsorption of methylene blue from aqueous solution and industrial effluents by corncob-activated carbon. The methylene blue adsorption capacities of corncob-activated carbon were investigated by batch adsorption experiments both in synthetic solutions and industrial effluents. The optimum pH value was 10.3 with a removal percentage of 93.4 %. Methylene blue adsorption by activated carbon followed second-order kinetics and was well fitted by the Langmuir model. The maximum adsorption capacity (Qmax) value was 11.36 mg/g. This study revealed that corncob-activated carbon has successfully removed methylene blue from industrial effluents, with percentages ranging from 65.14 %, and 76.28 %. The excellent methylene blue dye removal efficiency with corncob activated from industry effluents suggests its promising potential in remediating methylene blue contaminated wastewater.
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玉米芯活性炭去除工业废水中的亚甲基蓝
亚甲基蓝(MB)由于其毒性、持久性和不可生物降解性,对人类健康和水生生物群构成威胁。然而,文献中很少有关于玉米芯活性炭去除工业废水中亚甲基蓝的数据。研究了玉米芯活性炭对亚甲基蓝的吸附性能。通过批量吸附实验研究了玉米芯活性炭在合成溶液和工业废水中的亚甲基蓝吸附能力。最佳pH值为10.3,去除率为93.4%。活性炭对亚甲基蓝的吸附符合二级动力学,符合Langmuir模型。最大吸附量(Qmax)为11.36 mg/g。研究表明,玉米芯活性炭对工业废水亚甲基蓝的去除率为65.14% ~ 76.28%。玉米芯活化法对工业废水中亚甲基蓝染料的脱除效果良好,在亚甲基蓝污染废水的治理中具有广阔的应用前景。
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