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Friedel盐对废水中低浓度Cd~(2+)的吸附动力学
张娟娟; 赵赫; 曹宏斌; 李志宝
2012
Source Publication过程工程学报
Issue04Pages:590-595
Abstract以合成的Friedel盐(FS,3CaO·A12O3·CaCl2·10H2O)为吸附剂,研究了FS去除废水中Cd2+的反应动力学和等温吸附特性.考察了FS盐用量、温度及Cd2+初始浓度对Cd2+去除的影响.结果表明,FS用量为0.03g/L时,在室温下对废水中初始浓度为10mg/L的Cd2+的去除率大于94.34%,吸附容量可达301.9mg/g,吸附主要以离子交换吸附为主,最终形成Cd4Al2(OH)12Cl2(H2O)4xH2O及Cd4Al2(OH)12Cl24H2O化合物.利用一级动力学模型关联了反应动力学数据,得到速率常数k=0.049min~(-1),吸附行为较符合Langmuir等温吸附方程.
KeywordFriedel盐 Cd~(2+) 吸附 动力学
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/10739
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
张娟娟,赵赫,曹宏斌,等. Friedel盐对废水中低浓度Cd~(2+)的吸附动力学[J]. 过程工程学报,2012(04):590-595.
APA 张娟娟,赵赫,曹宏斌,&李志宝.(2012).Friedel盐对废水中低浓度Cd~(2+)的吸附动力学.过程工程学报(04),590-595.
MLA 张娟娟,et al."Friedel盐对废水中低浓度Cd~(2+)的吸附动力学".过程工程学报 .04(2012):590-595.
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