印染助剂Issue(2)：41-46,6.
花生壳的改性及其对酸性品红的吸附
Modification of peanut shells and its adsorption to acid fuchsin
摘要
Abstract
The modification of peanut shel s and the adsorption of acid fuchsin on modified peanut shel s were investigated. The results showed that the optimum modification conditions were as fol ows: the solid- liq⁃uid ratio of peanut shel s and 0.04 mol/L potassium permanganate was 1∶5, and the modification time was 30 min. The optimum adsorption conditions of modified peanut shel s were as fol ows: 0.7 g modified peanut shel s selected with size of 90 mesh were dispersed in 100 mL of acid fuchsin solution with concentration of 30 mg/L at pH=2 for 60 min. The highest acid fuchsin decolorization rate was 93.10% under such conditions. The residual fuchsin solution in the suspension was calculated as dilution multiples of 40 times, which was lower than the class A of "integrated wastewater discharge standard" (GB 8978- 1996). From the practical appli⁃cation, when the concentration of peanut shel s was 0.5 g/100 mL, decolorization rate was 79.66%, and the re⁃sidual fuchsin solution in the suspension was calculated as dilution multiples of 60 times, which was up to the class B of "integrated wastewater discharge standard" (GB 8978- 1996). Isothermal adsorption experiments showed that the kinetic for adsorption of acid fuchsin on modified peanut shel s correlated wel with Freun⁃dlich equation.关键词
花生壳/改性/酸性品红/吸附Key words
peanut shel s/modification/acid fuchsin/adsorption分类
化学化工引用本文复制引用
胡巧开,庄艳笑,陈芳..花生壳的改性及其对酸性品红的吸附[J].印染助剂,2016,(2):41-46,6.基金项目
污染物分析与源资化技术湖北省重点实验室开放基金项目 （）
