Removal of Malachite Green from Aqueous Solution using Ficus Benjamina Activated Carbon-Nonmetal Oxide synthesized by pyro Carbonic Acid Microwave

Khatab Emad Talib, S. D. Salman
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引用次数: 1

Abstract

Activated carbon derived from Ficus Binjamina agro-waste synthesized by pyro carbonic acid microwave method and treated with silicon oxide (SiO2) was used to enhance the adsorption capability of the malachite green (MG) dye. Three factors of concentration of dye, time of mixing, and the amount of activated carbon with four levels were used to investigate their effect on the MG removal efficiency. The results show that 0.4 g/L dosage, 80 mg/L dye concentration, and 40 min adsorption duration were found as an optimum conditions for 99.13% removal efficiency. The results also reveal that Freundlich isotherm and the pseudo-second-order kinetic models were the best models to describe the equilibrium adsorption data.  
热碳酸微波法合成本杰明无花果活性炭-非金属氧化物对孔雀石绿的去除研究
采用热碳酸微波法制备榕废活性炭,并用氧化硅(SiO2)处理后,提高了对孔雀石绿(MG)染料的吸附性能。考察了染料浓度、混合时间和活性炭投加量对MG去除率的影响。结果表明,0.4 g/L的投加量、80 mg/L的染料浓度、40 min的吸附时间可达到99.13%的最佳去除率。Freundlich等温线和拟二级动力学模型是描述平衡吸附数据的最佳模型。
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