活性碳纤维吸附去除废水中Cr(Ⅵ)的研究

Study on Removal of Cr(Ⅵ) from Wastewater by Activated Carbon Fiber

活性炭纤维对有机污染物具有良好的吸附去除能力,基于此,探讨其对重金属Cr(Ⅵ)的吸附去除行为。分别考查活性炭纤维用量、初始p H条件、盐度对活性炭纤维吸附去除Cr(Ⅵ)的影响,选用Langmuir和Freundlich等温吸附方程对所得数据进行拟合,结果表明:活性炭纤维对Cr(Ⅵ)的吸附更符合Langmuir吸附模型;活性碳纤维对Cr(Ⅵ)有良好的吸附去除能力,具有一定的实际应用前景。

Activated carbon fiber has a good adsorption capacity for organic pollutants, based on this, thispaper investigated the adsorption and removal of heavy metal Cr（Ⅵ）. The effects of activated carbon fiberdosage, initial p H condition and salinity on the removal of Cr（Ⅵ） from activated carbon fibers were investi-gated, the obtained data were fitted by Langmuir and Freundlich isothermal adsorption equation. The resultshowed that the adsorption of Cr（Ⅵ） on activated carbon fibers was more consistent with the Langmuir ad-sorption model, and activated carbon fiber had a good adsorption capacity for Cr（Ⅵ）, which had a certainpractical application prospects.