[1]李宇翔 周婷婷 农舒期 李俊辉 郭艳芳 王家怡 覃色凤 柴坤刚 沈 芳.CMS@NH2-CAU-10对染料废水中结晶紫的吸附研究[J].大众科技,2024,26(4):116-121.
[J].Popular Science & Technology,2024,26(4):116-121.
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CMS@NH2-CAU-10对染料废水中结晶紫的吸附研究()
《大众科技》[ISSN:1008-1151/CN:45-1235/N]
- 卷:
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26
- 期数:
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2024年第4期
- 页码:
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116-121
- 栏目:
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轻工与化工
- 出版日期:
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2024-07-20
文章信息/Info
- 作者:
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李宇翔 周婷婷 农舒期 李俊辉 郭艳芳 王家怡 覃色凤 柴坤刚 沈 芳
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(广西大学化学化工学院,广西 南宁 530004)
- 关键词:
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CMS; MOFs; CMS@NH2-CAU-10; 吸附; 结晶紫; 动力学; 热力学
- 分类号:
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X703
- 文献标志码:
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A
- 摘要:
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采用溶剂热合成法,将金属盐、含氨基的配体和溶剂在一定条件下合成表面具有NH2-CAU-10的化合物,再将其与羧甲基淀粉(CMS)溶液在一定温度下混合分散,制得CMS@ NH2-CAU-10。利用FTIR、XRD对吸附前后的材料进行对比,测定其化学结构、孔结构和稳定性。通过测定不同比例下制备的CMS@NH2-CAU-10对结晶紫的吸附量及吸附率,筛选出了吸附效果最佳的CMS@ NH2-CAU-10,分析了离子强度、pH对其吸附作用的影响,通过实验得到了其吸附动力学曲线与吸附热力学曲线。吸附动力学过程符合BoxLucas1模型,吸附等温模型符合Langmuir模型。最终确认以7.5 mL的质量浓度为44.47 g/L的CMS溶液与NH2-CAU-10合成的CMA@NH2-CAU-10在pH=8、离子强度=0.02的环境下对结晶紫的吸附性能最佳。
参考文献/References:
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备注/Memo
- 备注/Memo:
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【收稿日期】2024-05-08
【基金项目】广西石化资源加工及过程强化技术重点实验室项目“淀粉基多孔碳材料对石化废水中酚类的吸附及分离研究”(2021Z009)。
【第一作者】李宇翔(2003-),女,学生,研究方向为MOFs复合材料对废水的吸附。
【通信作者】沈芳(1978-),女,副教授,研究方向为吸附材料的制备及应用。
更新日期/Last Update:
2024-09-23