柚皮炭对废水中亚甲基蓝的吸附研究

【摘要】 柚子皮含有大量的纤维素,是优良活性炭的前驱体。以柚子皮为原料,采用高温炭化法制备柚子皮活性炭,并将其用于含亚甲基蓝废水的处理,结果显示,在温度25℃、pH为8的条件下,柚皮炭对亚甲基蓝的最大吸附容量为6.24 mg/g,吸附符合Langmuir等温方程、Freundlich等温方程和准二级动力学方程,吸附反应容易发生,吸附速度快。更多还原

【Abstract】 Pomelo peel contains a large amount of cellulose and is the precursor of excellent activated carbon. Activated carbon from pomelo peel was prepared by carbonization at high temperature. It was used to treat wastewater containing methylene blue. The results showed that the maximum adsorption capacity was 6.24 mg/g at 25 ℃ and pH of 8. The adsorption conformed to Langmuir isotherm equation,Freundlich isotherm equation and pseudo-second-order kinetics equation. The adsorption reaction was easy to occur and the adsorption speed was fast.更多还原