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Continuous and complete conversion of high concentration p ‐nitrophenol in a flow‐through membrane reactor

Ke, Xuebin

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Abstract

Here, we report on a green and effective method for the continuous and complete conversion of high concentrations of p‐nitrophenol (PNP) using a flow‐through membrane reactor and less NaBH4. The catalytic membrane was successfully fabricated by loading Pd nanoparticles onto the surface of a branched TiO2 nanorod‐functionalized ceramic membrane. The modification with branched TiO2 nanorods can significantly improve the loading amount of Pd nanoparticles onto ceramic membranes, resulting in enhanced catalytic performance. With 6 mg of Pd, 93 L m−2 hr−1 of flux density and 8.04 cm2 of membrane surface area in the flow‐through membrane reactor, PNP at a concentration of 4,000 ppm can be converted to high‐value p‐aminophenol using less NaBH4 (using a molar ratio of NaBH4:PNP of 9.6) within 24 s at 30°C. More importantly, the conversion can be continuously and stably performed for 240 min.

Citation

‐nitrophenol in a flow‐through membrane reactor. AIChE Journal, 65(9), https://doi.org/10.1002/aic.16692

Journal Article Type Article
Acceptance Date Jun 4, 2019
Online Publication Date Jun 7, 2019
Publication Date 2019-09
Deposit Date Jul 26, 2019
Publicly Available Date Jun 8, 2020
Journal AIChE Journal
Print ISSN 0001-1541
Electronic ISSN 1547-5905
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 65
Issue 9
Article Number e16692
DOI https://doi.org/10.1002/aic.16692
Keywords Branched TiO2 nanorods; Continuous and complete conversion; Flow‐through membrane reactor; p‐nitrophenol; Pd nanoparticles
Public URL https://hull-repository.worktribe.com/output/1992857
Publisher URL https://aiche.onlinelibrary.wiley.com/doi/full/10.1002/aic.16692
Additional Information This is the peer reviewed version of the following article: Miao, J, Lu, J, Jiang, H, et al. Continuous and complete conversion of high concentration p‐nitrophenol in a flow‐through membrane reactor. AIChE J. 2019;e16692, which has been published in final form at https://doi.org/10.1002/aic.16692. This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.

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