Photocatalytic degradation of acetaminophen in aqueous solution by Zn 0.2 Cd 0.8 S catalyst and visible radiation

Mohammed A. Meetani, Anas Alaidaros, Soleiman Hisaindee, Ahmed Alhamadat, Rengaraj Selvaraj, Faisal Al Marzouqi, Muhammad A. Rauf

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Photocatalytic degradation of acetaminophen in aqueous solution by Zn 0.2 Cd 0.8 S catalyst and visible light radiation was carried out under optimized conditions. The degradation was monitored spectrophotometrically. The degraded products were analyzed by gas chromatography–mass spectrometry and liquid chromatography–mass spectrometry (LC–MS) and their structures were proposed using tandem mass spectrometry data. Various mechanistic pathways were observed involving OH radicals. The parent compound was converted to lower molecular weight unsaturated carboxylic acids in addition to pyridine derivatives. Based on LC–MS and tandem mass spectrometry MS/MS results, a photocatalytic oxidative mechanism was suggested.

Original languageEnglish
Pages (from-to)270-279
Number of pages10
JournalDesalination and Water Treatment
Volume138
DOIs
Publication statusPublished - Jan 1 2019

Fingerprint

Spectrometry
spectrometry
aqueous solution
catalyst
Radiation
Degradation
degradation
Catalysts
Mass spectrometry
mass spectrometry
liquid
Liquids
carboxylic acid
Carboxylic acids
Pyridine
Molecular weight
Derivatives
Gases
gas
radiation

Keywords

  • Acetaminophen
  • Degradation
  • LC-MS/MS
  • Photocatalyst
  • Visible radiation
  • Zn Cd S

ASJC Scopus subject areas

  • Water Science and Technology
  • Ocean Engineering
  • Pollution

Cite this

Photocatalytic degradation of acetaminophen in aqueous solution by Zn 0.2 Cd 0.8 S catalyst and visible radiation . / Meetani, Mohammed A.; Alaidaros, Anas; Hisaindee, Soleiman; Alhamadat, Ahmed; Selvaraj, Rengaraj; Al Marzouqi, Faisal; Rauf, Muhammad A.

In: Desalination and Water Treatment, Vol. 138, 01.01.2019, p. 270-279.

Research output: Contribution to journalArticle

Meetani, Mohammed A. ; Alaidaros, Anas ; Hisaindee, Soleiman ; Alhamadat, Ahmed ; Selvaraj, Rengaraj ; Al Marzouqi, Faisal ; Rauf, Muhammad A. / Photocatalytic degradation of acetaminophen in aqueous solution by Zn 0.2 Cd 0.8 S catalyst and visible radiation In: Desalination and Water Treatment. 2019 ; Vol. 138. pp. 270-279.
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