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author:

Zheng, Ming (Zheng, Ming.) [1] | Xu, Gang (Xu, Gang.) [2] | Pei, Jingcheng (Pei, Jingcheng.) [3] | He, Xiangxin (He, Xiangxin.) [4] | Xu, Peijun (Xu, Peijun.) [5] | Liu, Ning (Liu, Ning.) [6] | Wu, Minghong (Wu, Minghong.) [7] (Scholars:吴明红)

Indexed by:

SCIE

Abstract:

The electron beam (EB) radiolysis characteristics of carbamazepine (CBZ) in pure-water with different ions and that in surface water were studied in this paper. It suggested that the center dot OH, center dot H and e (aq) (-) all played roles on CBZ EB degradation, and the center dot OH played the vital role. Acidic solution was favorable for CBZ degradation, while alkaline environment inhibited it. HSO4 (-) and SO3 (2-) enhanced the CBZ degradation, but CO3 (2-), NO2 (-), NO3 (-) NH4 (+) and Cl- inhibited. In surface water, the EB-radiolysis was an effective way to degrade CBZ; and CBZ might evolve in three different ways during EB radiation: reduction by e (aq) (-) and center dot H (intermediate 10,11-dihydrocarbamazepine (I)), oxidization by center dot OH (intermediates 10,11-dihydro-10-11-expoxycarbamazepine (II) and 2(3)-hydroxycarbamazepine (III)) and hydration into 10,11-dihydro-10-hydroxycarbamazepine (IV) and finally the intermediates were all mineralized into CO2, H2O, N-2 and NH4 (+). All the results contribute to study the EB-radiolysis of pharmaceuticals in surface water.

Keyword:

Carbamazepine (CBZ) Electron beam radiolysis Ions Surface water

Community:

  • [ 1 ] [Zheng, Ming]Shanghai Univ, Shanghai Appl Radiat Inst, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 2 ] [Xu, Gang]Shanghai Univ, Shanghai Appl Radiat Inst, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 3 ] [Pei, Jingcheng]Shanghai Univ, Shanghai Appl Radiat Inst, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 4 ] [He, Xiangxin]Shanghai Univ, Shanghai Appl Radiat Inst, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 5 ] [Xu, Peijun]Shanghai Univ, Shanghai Appl Radiat Inst, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 6 ] [Wu, Minghong]Shanghai Univ, Shanghai Appl Radiat Inst, Sch Environm & Chem Engn, Shanghai 200444, Peoples R China
  • [ 7 ] [Liu, Ning]Shanghai Univ Sci & Technol, Sch Environm & Architecture, Shanghai 200093, Peoples R China

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Source :

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY

ISSN: 0236-5731

Year: 2014

Issue: 1

Volume: 302

Page: 139-147

1 . 0 3 4

JCR@2014

1 . 5 0 0

JCR@2023

JCR Journal Grade:2

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 21

SCOPUS Cited Count: 26

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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