The influence of operating parameters on heterogeneous photocatalytic mineralization of phenol over BiPO4

Yunfan Zhang, Rengaraj Selvaraj, Mika Sillanpää, Younghun Kim, Cheuk Wai Tai

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The photocatalytic mineralization of phenol was investigated in the presence of BiPO4 prepared by hydrothermal method. The crystal structure and morphology of synthesized sample was inspected with powder X-ray diffraction (XRD) and scanning electron microscopy (SEM), respectively. The photocatalytic activity of BiPO4 was evaluated by the degradation of phenol in a batch reactor under UV-C irradiation. In order to investigate the influence of catalyst dosage, pH value, initial concentration and additives on mineralization behavior, these key operating parameters were systematically changed during the photocatalytic process. The findings confirmed that the phenol was degraded by BiPO4 under UV-C irradiation, and the TOC (Total Organic Carbon) analysis proved that the mineralization was efficient under the optimized conditions. It is also found that the intermediate process between photocatalytic degradation and mineralization is negligibly short.

Original languageEnglish
Pages (from-to)117-123
Number of pages7
JournalChemical Engineering Journal
Volume245
DOIs
Publication statusPublished - Jun 1 2014

Fingerprint

Phenol
Phenols
phenol
mineralization
Irradiation
Degradation
irradiation
Batch reactors
Organic carbon
X ray powder diffraction
degradation
Crystal structure
crystal structure
total organic carbon
Scanning electron microscopy
Catalysts
catalyst
scanning electron microscopy
X-ray diffraction
parameter

Keywords

  • BiPO
  • Mineralization
  • Phenols
  • Photocatalytic degradation
  • Ultraviolet irradiation

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Chemistry(all)
  • Industrial and Manufacturing Engineering
  • Environmental Chemistry

Cite this

The influence of operating parameters on heterogeneous photocatalytic mineralization of phenol over BiPO4 . / Zhang, Yunfan; Selvaraj, Rengaraj; Sillanpää, Mika; Kim, Younghun; Tai, Cheuk Wai.

In: Chemical Engineering Journal, Vol. 245, 01.06.2014, p. 117-123.

Research output: Contribution to journalArticle

Zhang, Yunfan ; Selvaraj, Rengaraj ; Sillanpää, Mika ; Kim, Younghun ; Tai, Cheuk Wai. / The influence of operating parameters on heterogeneous photocatalytic mineralization of phenol over BiPO4 In: Chemical Engineering Journal. 2014 ; Vol. 245. pp. 117-123.
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