朱宝华;周宇照;王维大;

• 1:中材建设有限公司
• 2:内蒙古科技大学能源与环境学院

摘要(Abstract)：

研究了芦苇秸秆生物炭对水体中Pb(Ⅱ)的吸附特性,通过单因素条件试验考察了吸附动力学及吸附等温方程。结果表明:用芦苇秸秆生物炭吸附处理含Pb(Ⅱ)污水,水体中的Pb(Ⅱ)去除率随溶液pH升高而提高,当pH=6时,Pb(Ⅱ)去除率达95.56%以上;随生物炭投加量加大,Pb(Ⅱ)吸附量下降,而去除率升高;生物炭投加量为0.15g/100mL时,Pb(Ⅱ)去除率为99.39%;芦苇秸秆生物炭对Pb(Ⅱ)的吸附动力学符合准二级动力学模型,通过颗粒内扩散方程得其具体吸附过程由膜扩散和内扩散共同控制,Langmiur与Freundlich模型都能很好地描述等温吸附行为。

关键词(KeyWords)： 芦苇;生物炭;铅;吸附;吸附机制

Abstract:

Keywords:

基金项目(Foundation):

作者(Authors): 朱宝华;周宇照;王维大;

DOI: 10.13355/j.cnki.sfyj.2016.04.006

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