Promoting dynamic adsorption of Pb2+ in a single pass flow using fibrous nano-TiO2/cellulose membranes
Promoting dynamic adsorption of Pb2+ in a single pass flow using fibrous nano-TiO2/cellulose membranes
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使用纤维状纳米 TiO2/纤维素膜促进单程流中 Pb2 的动态吸附
DOI：
10.1016/j.cej.2015.08.068
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发表时间：
2016
影响因子：
15.1
通讯作者：
Chuanfang Yang
中科院分区：
文献类型：
--
作者：
Yanxiang Li;Lei Li;Lixia Cao;Chuanfang Yang
A variety of nano-TiO2/cellulose composite fibers (TiO2/CF) were synthesized via bothin situgrowing rutile TiO2nanocrystals and electrostatic self-assembly of commercial nano rutile TiO2particles onto cellulose fibers. These fibers were then processed into fibrous membrane beds by wet-laid technique. Dynamic adsorption of lead (Pb2+) was subsequently carried out by pumping the feed solution through the bed in a single-pass flow mode. The influence of various parameters including flow rate, bed height and bed stacking pattern on bed breakthrough behavior was investigated. It was found that thein situ-TiO2/CF bed outperformed others; its loading capacity of Pb2+was 13 times that of pure CF bed, and 9 times that of the self-assembled TiO2/cellulose bed prior to 10% breakthrough. The dynamic adsorption behavior of thein situ-TiO2/CF bed was better predicted by Dose–Response model among other models tested. The bed was also selective for Pb2+over Ca2+, and was readily regenerable when eluted with 0.1 M HCl solution for repeated use. The outstanding performance of thein situ-TiO2/CF bed was a result of larger fiber adsorption capacity and faster adsorption kinetics compared with the other beds having similar geometric bed structure.
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DOI：
10.1016/j.chroma.2009.07.042
发表时间：
2009-09
期刊：
Journal of chromatography. A
影响因子：
--
作者：
Jun Wang;R. Fáber;M. Ulbricht
通讯作者：
Jun Wang;R. Fáber;M. Ulbricht
影响因子：
3.3
作者：
S. Sundarrajan;R. Balamurugan;S. Kaur;S. Ramakrishna
通讯作者：
S. Sundarrajan;R. Balamurugan;S. Kaur;S. Ramakrishna
影响因子：
4.2
作者：
Liao, XP;Zhang, M;Shi, B
通讯作者：
Shi, B
DOI：
--
发表时间：
1998-06
期刊：
--
影响因子：
--
作者：
D. Cooney
通讯作者：
D. Cooney
在纤维素纤维上原位生长定向纺锤体 TiO2 纳米晶体以增强水中 Pb2 的吸附
影响因子：
13.6
作者：
Li, Yanxiang;Cao, Lixia;Yang, Chuanfang
通讯作者：
Yang, Chuanfang