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| Content Provider | Springer Nature Link |
|---|---|
| Author | Guo, Zhaobing Chen, Shanli Liu, Fengling Wang, Jinjin Shen, Xiaoyu Zheng, Shourong |
| Copyright Year | 2015 |
| Abstract | Silicalite-1 and HZSM-5 zeolites were used as the adsorbents for selective adsorption of p-nitrotoluene (p-NT) from simulated wastewater containing p-NT and o-nitrotoluene (o-NT). Results showed that adsorption behaviors of p-NT in the zeolites were different from o-NT. The maximum adsorption amounts of p-NT in the zeolites were found to be approximately 4 molecules per unit cell (mol./u.c.), irrespective of adsorption temperatures investigated, which were markedly higher than those of o-NT. In addition, the presence of acid sites led to an enhanced affinity of p-NT adsorption and to suppressed adsorption of o-NT in HZSM-5 zeolite compared with silicalite-1. Adsorption kinetic results showed that rate constants of p-NT were markedly higher than those of o-NT in silicalite-1 and HZSM-5 zeolite. For the separation of p-NT, enhanced selectivity of HZSM-5 zeolite for p-NT adsorption was observed compared with silicalite-1. Under our optimized conditions, p-NT with purity of 98.2 % could be recovered with HZSM-5 zeolite, which was ascribed to the marked differences in adsorption amounts and rate constants between p-NT and o-NT in the zeolite. |
| Starting Page | 143 |
| Ending Page | 151 |
| Page Count | 9 |
| File Format | |
| ISSN | 09295607 |
| Journal | Adsorption |
| Volume Number | 21 |
| Issue Number | 1-2 |
| e-ISSN | 15728757 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2015-01-23 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | p-nitrotoluene HZSM-5 zeolite Silicalite-1 zeolite Selective adsorption Industrial Chemistry/Chemical Engineering Surfaces and Interfaces, Thin Films Engineering Thermodynamics, Heat and Mass Transfer |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Chemical Engineering Surfaces and Interfaces |
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