新型无定形碳膜对4-氯愈创木酚的吸附动力学及机理研究

Q1 Environmental Science

Case Studies in Chemical and Environmental Engineering Pub Date : 2025-02-03 DOI:10.1016/j.cscee.2025.101137

Zaharaddeen N. Garba , Chavalit Ratanatamskul

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引用次数: 0

摘要

研究了一种新型无定形碳薄膜（HPL-ACTF）吸附剂，并成功地将其用于废水中4-氯愈创木酚（4CG）的去除。采用中心复合设计优化吸附性能，最佳吸附条件为：吸附剂用量139 mg， 4CG浓度285 mg/L，吸附时间195 min。预测和实际的4CG去除率分别为97.11%和98.06%。Langmuir等温线可拟合平衡吸附数据，最大吸附量为276.88 mg/g。此外，HPL-ACTF具有成本效益，因为它可以再生多达五次。

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Kinetics and mechanisms of 4-chloroguaiacol removal by adsorption onto a novel amorphous carbon thin film synthesized from Hamelia patens leaves

This work developed Hamelia patens Jacq leaves (an agricultural waste) as a novel amorphous carbon thin-film (HPL-ACTF) adsorbent, which was successfully employed in removal of 4-chloroguaiacol (4CG) from wastewater. Central composite design was used to optimize batch adsorption performance with the optimal conditions of 139 mg of adsorbent, 285 mg/L of 4CG concentration, and 195 min of adsorption time. The predicted and obtained 4CG removal efficiencies were 97.11 and 98.06 %, respectively. Langmuir isotherm could fit the equilibrium adsorption-data with the maximum adsorption capacity of 276.88 mg/g. Moreover, HPL-ACTF is cost-effective since it could be regenerated up to five times.

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