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author:

Gao, J. (Gao, J..) [1] | Wu, L. (Wu, L..) [2] | Liang, S. (Liang, S..) [3] | Zhang, S. (Zhang, S..) [4] | Liu, P. (Liu, P..) [5] | Fu, X. (Fu, X..) [6]

Indexed by:

Scopus PKU CSCD

Abstract:

Fe-Ti pillared bentonite (Fe-Ti-B) was successfully prepared through a simple cation exchange reaction. The obtained sample was characterized by N2 adsorption-desorption, X-ray powder diffraction, and inductively coupled plasma-atomic emission spectrometry. The effects of initial pH, catalyst amount, and H2O2 concentration on photocatalysis-Fenton degradation of phenol were investigated in detail. The results showed that the conversion and mineralization rates of phenol were over 95% at pH = 6.6 under UV light irradiation. At the same time, the iron leaching rate was kept below 2 mg/L during the degradation process. The performance of the Fe-Ti-B catalyst is superior to Fe-pillared bentonite. Moreover, it still kept a high activity after 5 times run, indicating that Fe-Ti-B is a highly stable catalyst. The degradation rate of phenol could even reach 70.3% after 180 min under alkaline conditions (pH = 9.0). The excellent performance of Fe-Ti-B may be attributed to its large surface area and strong surface acidity.

Keyword:

Degradation; Fenton reaction; Iron; Phenol; Photocatalysis; Pillared bentonite; Titanium

Community:

  • [ 1 ] [Gao, J.]State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, Fujian, China
  • [ 2 ] [Wu, L.]State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, Fujian, China
  • [ 3 ] [Liang, S.]State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, Fujian, China
  • [ 4 ] [Zhang, S.]State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, Fujian, China
  • [ 5 ] [Liu, P.]State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, Fujian, China
  • [ 6 ] [Fu, X.]State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, Fujian, China

Reprint 's Address:

  • [Wu, L.]State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University, Fuzhou 350002, Fujian, China

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Source :

Chinese Journal of Catalysis

ISSN: 0253-9837

CN: 21-1601/O6

Year: 2010

Issue: 3

Volume: 31

Page: 317-321

0 . 7 5 2

JCR@2010

1 5 . 7 0 0

JCR@2023

JCR Journal Grade:3

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 9

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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