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红绒盖牛肝菌菌丝对Cu(Ⅱ)和Cd(Ⅱ)生物吸附的影响因子

吕明姬 蔡佳亮 郑维爽 王 寅 黄 艺

吕明姬, 蔡佳亮, 郑维爽, 王 寅, 黄 艺. 红绒盖牛肝菌菌丝对Cu(Ⅱ)和Cd(Ⅱ)生物吸附的影响因子[J]. 环境科学研究, 2009, 22(11): 1334-1340.
引用本文: 吕明姬, 蔡佳亮, 郑维爽, 王 寅, 黄 艺. 红绒盖牛肝菌菌丝对Cu(Ⅱ)和Cd(Ⅱ)生物吸附的影响因子[J]. 环境科学研究, 2009, 22(11): 1334-1340.
Lv Ming-ji, CAI Jia-liang, ZHENG Wei-shuang, WANG Yin, HUANG Yi. Factors Impacting Biosorption of Cu(Ⅱ) and Cd(Ⅱ)by Xerocomus chrysenteron Mycelium[J]. Research of Environmental Sciences, 2009, 22(11): 1334-1340.
Citation: Lv Ming-ji, CAI Jia-liang, ZHENG Wei-shuang, WANG Yin, HUANG Yi. Factors Impacting Biosorption of Cu(Ⅱ) and Cd(Ⅱ)by Xerocomus chrysenteron Mycelium[J]. Research of Environmental Sciences, 2009, 22(11): 1334-1340.

红绒盖牛肝菌菌丝对Cu(Ⅱ)和Cd(Ⅱ)生物吸附的影响因子

基金项目: 国家自然科学基金项目(20777004)

Factors Impacting Biosorption of Cu(Ⅱ) and Cd(Ⅱ)by Xerocomus chrysenteron Mycelium

  • 摘要: 在离体条件下,研究了外生菌根真菌红绒盖牛肝菌(Xerocomus chrysenteron)菌丝对Cu(Ⅱ)和Cd(Ⅱ)生物吸附的影响因子,考察了X. chrysenteron菌丝对Cu(Ⅱ)和Cd(Ⅱ)的吸附能力、去除率和平衡吸附量在不同初始质量浓度和不同温度下所受影响,并采用Freundlich和Langmuir线性化吸附等温线模型拟合X. chrysenteron菌丝的生物吸附热力学特性. 结果表明:当菌丝的质量浓度为10 g/L,30 ℃时,X. chrysenteron非活性菌丝对Cu(Ⅱ)和Cd(Ⅱ)的最佳吸附量分别为47.11和11.72 mg/g(以菌丝干质量计);X. chrysenteron非活性菌丝对Cu(Ⅱ)和Cd(Ⅱ)的吸附能力、去除率、平衡吸附量均优于活性菌丝;X. chrysenteron菌丝对Cu(Ⅱ)和Cd(Ⅱ)的吸附能力随其初始质量浓度的增加而增大,去除率随其初始质量浓度的增大而分别呈指数下降和线性下降;30 ℃时X. chrysenteron菌丝对Cu(Ⅱ)和Cd(Ⅱ)的吸附能力、去除率、平衡吸附量均比25 ℃时大.

     

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出版历程
  • 收稿日期:  2009-04-17
  • 修回日期:  2009-05-11
  • 刊出日期:  2009-11-25

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