芡种壳粉对水中亚甲基蓝和盐基品红的吸附特性
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  • 英文篇名:Adsorption characteristics of Euryale ferox seed coat powder to methylene blue and base magenta in waste water
  • 作者:陈静 ; 陈志宏 ; 张汆 ; 张孟
  • 英文作者:Chen Jing;
  • 关键词:芡种壳粉 ; 亚甲基蓝 ; 盐基品红 ; 吸附特性 ; Freundlich模型 ; Langmiur模型
  • 中文刊名:JSNY
  • 英文刊名:Jiangsu Agricultural Sciences
  • 机构:滁州职业技术学院食品与环境工程系;安徽省热敏性物料加工工程技术研究中心;
  • 出版日期:2019-05-28 15:37
  • 出版单位:江苏农业科学
  • 年:2019
  • 期:v.47
  • 基金:公益性行业(农业)科研专项(编号:201403039);; 安徽省热敏性物料加工工程技术研究中心开放基金课题(编号:2015RMY03);; 安徽省高校自科重点项目(编号:KJ2016A537);; 滁州学院科研项目(编号:HX2016084)
  • 语种:中文;
  • 页:JSNY201909067
  • 页数:5
  • CN:09
  • ISSN:32-1214/S
  • 分类号:296-300
摘要
采用静态和动态吸附法分析芡种壳粉对水相中亚甲基蓝和盐基品红2种染料的吸附特性。结果表明,芡种壳粉对2种染料的吸附过程符合准二级吸附动力学模型,其吸附行为符合Freundlich模型。芡种壳粉对亚甲基蓝和盐基品红显示出很强的吸附能力,在浓度为20μg/mL时,芡种壳粉对亚甲基蓝和盐基品红的饱和吸附量分别为49.20和47.40 mg/g。动态吸附过程中,虽然芡种壳粉对上述2种染料的饱和吸附量较高且接近,但相同浓度下盐基品红的穿透体积很小,远低于亚甲基蓝的穿透体积。芡种壳粉对亚甲基蓝的吸附为优惠型吸附,而对盐基品红的吸附为非优惠型吸附。因此,若作为染料吸附剂,芡种壳粉更适合于吸附水中的亚甲基蓝,而非盐基品红。
        
引文
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