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Degradation of sulfamethazine by gamma irradiation in the presence of hydrogen peroxide

Abstract

Highlights: ► Gamma irradiation was efficient for removing SMT in aqueous solution. ► Addition of H{sub 2}O{sub 2} during irradiation could enhance SMT degradation and mineralization. ► The degradation kinetics of SMT conformed to pseudo first-order equation. ► Possible pathways for SMT decomposition were proposed. -- Abstract: The gamma irradiation-induced degradation of sulfamethazine (SMT) in aqueous solution in the presence of hydrogen peroxide (H{sub 2}O{sub 2}) was investigated. The initial SMT concentration was 20 mg/L and it was irradiated in the presence of extra H{sub 2}O{sub 2} with initial concentration of 0, 10 and 30 mg/L. The results showed that gamma irradiation was effective for removing SMT in aqueous solution and its degradation conformed to the pseudo first-order kinetics under the applied conditions. When initial H{sub 2}O{sub 2} concentration was in the range of 0–30 mg/L, higher concentration of H{sub 2}O{sub 2} was more effective for the decomposition and mineralization of SMT. However, the removal of total organic carbon (TOC) was not as effective as that of SMT. Total nitrogen (TN) was not removed even at absorbed dose of 5 kGy, which was highest dose applied in this study. Major decomposition products of SMT, including degradation intermediates, organic acids and  More>>
Authors:
Liu, Yuankun; [1]  Wang, Jianlong; [1]  Beijing Key Laboratory of Fine Ceramics, Tsinghua University, Beijing 100084 (China)]
  1. Laboratory of Environmental Technology, INET, Tsinghua University, Beijing 100084 (China)
Publication Date:
Apr 15, 2013
Product Type:
Journal Article
Resource Relation:
Journal Name: Journal of Hazardous Materials; Journal Volume: 250-251; Other Information: Copyright (c) 2013 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
Subject:
36 MATERIALS SCIENCE; ACETIC ACID; AQUEOUS SOLUTIONS; DECOMPOSITION; FORMIC ACID; GAMMA RADIATION; HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY; HYDROGEN PEROXIDE; IRRADIATION; MINERALIZATION; OXIDATION; SULFATES
OSTI ID:
22229966
Country of Origin:
Netherlands
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 0304-3894; CODEN: JHMAD9; Other: PII: S0304-3894(13)00075-7; TRN: NL14R5312051051
Availability:
Available from http://dx.doi.org/10.1016/j.jhazmat.2013.01.050
Submitting Site:
NLN
Size:
page(s) 99-105
Announcement Date:
May 22, 2014

Citation Formats

Liu, Yuankun, Wang, Jianlong, and Beijing Key Laboratory of Fine Ceramics, Tsinghua University, Beijing 100084 (China)]. Degradation of sulfamethazine by gamma irradiation in the presence of hydrogen peroxide. Netherlands: N. p., 2013. Web. doi:10.1016/J.JHAZMAT.2013.01.050.
Liu, Yuankun, Wang, Jianlong, & Beijing Key Laboratory of Fine Ceramics, Tsinghua University, Beijing 100084 (China)]. Degradation of sulfamethazine by gamma irradiation in the presence of hydrogen peroxide. Netherlands. https://doi.org/10.1016/J.JHAZMAT.2013.01.050
Liu, Yuankun, Wang, Jianlong, and Beijing Key Laboratory of Fine Ceramics, Tsinghua University, Beijing 100084 (China)]. 2013. "Degradation of sulfamethazine by gamma irradiation in the presence of hydrogen peroxide." Netherlands. https://doi.org/10.1016/J.JHAZMAT.2013.01.050.
@misc{etde_22229966,
title = {Degradation of sulfamethazine by gamma irradiation in the presence of hydrogen peroxide}
author = {Liu, Yuankun, Wang, Jianlong, and Beijing Key Laboratory of Fine Ceramics, Tsinghua University, Beijing 100084 (China)]}
abstractNote = {Highlights: ► Gamma irradiation was efficient for removing SMT in aqueous solution. ► Addition of H{sub 2}O{sub 2} during irradiation could enhance SMT degradation and mineralization. ► The degradation kinetics of SMT conformed to pseudo first-order equation. ► Possible pathways for SMT decomposition were proposed. -- Abstract: The gamma irradiation-induced degradation of sulfamethazine (SMT) in aqueous solution in the presence of hydrogen peroxide (H{sub 2}O{sub 2}) was investigated. The initial SMT concentration was 20 mg/L and it was irradiated in the presence of extra H{sub 2}O{sub 2} with initial concentration of 0, 10 and 30 mg/L. The results showed that gamma irradiation was effective for removing SMT in aqueous solution and its degradation conformed to the pseudo first-order kinetics under the applied conditions. When initial H{sub 2}O{sub 2} concentration was in the range of 0–30 mg/L, higher concentration of H{sub 2}O{sub 2} was more effective for the decomposition and mineralization of SMT. However, the removal of total organic carbon (TOC) was not as effective as that of SMT. Total nitrogen (TN) was not removed even at absorbed dose of 5 kGy, which was highest dose applied in this study. Major decomposition products of SMT, including degradation intermediates, organic acids and some inorganic ions were detected by high performance liquid chromatography (HPLC) and ion chromatography (IC). Sulfate (SO{sub 4}{sup 2−}), formic acid (HCOOH), acetic acid (CH{sub 3}COOH), 4-aminophenol, 4-nitrophenol were identified in the irradiated solutions. Possible pathways for SMT decomposition by gamma irradiation in aqueous solution were proposed.}
doi = {10.1016/J.JHAZMAT.2013.01.050}
journal = []
volume = {250-251}
journal type = {AC}
place = {Netherlands}
year = {2013}
month = {Apr}
}