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- W2758006301 abstract "以农业废弃物花椰菜的根和叶为原材料,采用限氧裂解法在500 ℃条件下制备花椰菜根基生物炭(BCR)和叶基生物炭(BCL),探究了吸附时间、温度、Pb(II)初始浓度、pH及不同共存离子对2种生物炭吸附性能的影响,并通过扫描电镜(SEM) 、能谱分析(EDS) 、红外光谱(FTIR)及比表面积测定(BET)等手段对生物炭的结构和性质进行了表征,初步探讨了吸附机理.结果表明,2种生物炭对Pb(II)的吸附符合准二级动力学和颗粒内扩散模型,BCR和BCL对Pb(II)的吸附分别在3 h和6 h达到吸附平衡; 2种生物炭对不同浓度下Pb(II)的吸附符合Langmuir和Freundlich等温吸附模型;在25 ℃条件下,BCR和BCL对Pb(II)的最大吸附量分别达到454.55和434.78 mg·g~(-1),BCR和BCL具有良好的吸附效果,可作为优良的生物质基吸附材料." @default.
- W2758006301 created "2017-10-06" @default.
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- W2758006301 date "2017-08-06" @default.
- W2758006301 modified "2023-09-23" @default.
- W2758006301 title "花椰菜基生物炭对水中Pb(II)的吸附性能" @default.
- W2758006301 doi "https://doi.org/10.13671/j.hjkxxb.2017.0059" @default.
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