Catalytic ozonation of gasoline compounds in model and natural water in the presence of perfluorinated alumina bonded phases

Barbara Kasprzyk-Hordern, P Andrzejewski, J Nawrocki

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Gasoline compounds are one of the most widespread causes of soil and groundwater contamination. Their degradation in model and natural waters clue to catalytic ozonation in the presence of perfluorooctylalumina (PFOA) is presented and discussed in this paper. The results obtained clearly indicate that the PFOA/O-3 system is effective mainly for ether (MTBE and ETBE) removal from both model and natural water. The catalytic activity of PFOA is not so significant in the case of BTEX ozonation. An investigation into by-product formation has shown that the concentration of both carboxylic acids (mainly oxalic acid) and carbonyl compounds (mainly acetone) increases after catalytic ozonation when compared with ozonation alone. A decrease of formic acid and formaldehyde takes place after the PFOA/O-3 system as opposed to the usage of ozonation alone.
Original languageEnglish
Pages (from-to)301-310
Number of pages10
JournalOzone-Science & Engineering
Volume27
Issue number4
DOIs
Publication statusPublished - 2005

Fingerprint

Ozonization
Aluminum Oxide
aluminum oxide
Gasoline
Alumina
Water
formic acid
water
Oxalic Acid
carbonyl compound
Carbonyl compounds
Oxalic acid
MTBE
BTEX
oxalic acid
Formic acid
carboxylic acid
Carboxylic Acids
Acetone
acetone

Keywords

  • 2-phase ozonation
  • catalytic
  • gasoline compounds
  • degradation
  • organics
  • MTBE
  • oxidation
  • BTEX
  • ETBE
  • peroxone
  • groundwater
  • ozone
  • mtbe
  • tert-butyl ether
  • ozonation
  • peroxide
  • perfluorooctylalumina
  • drinking water treatment

Cite this

Catalytic ozonation of gasoline compounds in model and natural water in the presence of perfluorinated alumina bonded phases. / Kasprzyk-Hordern, Barbara; Andrzejewski, P; Nawrocki, J.

In: Ozone-Science & Engineering, Vol. 27, No. 4, 2005, p. 301-310.

Research output: Contribution to journalArticle

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N2 - Gasoline compounds are one of the most widespread causes of soil and groundwater contamination. Their degradation in model and natural waters clue to catalytic ozonation in the presence of perfluorooctylalumina (PFOA) is presented and discussed in this paper. The results obtained clearly indicate that the PFOA/O-3 system is effective mainly for ether (MTBE and ETBE) removal from both model and natural water. The catalytic activity of PFOA is not so significant in the case of BTEX ozonation. An investigation into by-product formation has shown that the concentration of both carboxylic acids (mainly oxalic acid) and carbonyl compounds (mainly acetone) increases after catalytic ozonation when compared with ozonation alone. A decrease of formic acid and formaldehyde takes place after the PFOA/O-3 system as opposed to the usage of ozonation alone.

AB - Gasoline compounds are one of the most widespread causes of soil and groundwater contamination. Their degradation in model and natural waters clue to catalytic ozonation in the presence of perfluorooctylalumina (PFOA) is presented and discussed in this paper. The results obtained clearly indicate that the PFOA/O-3 system is effective mainly for ether (MTBE and ETBE) removal from both model and natural water. The catalytic activity of PFOA is not so significant in the case of BTEX ozonation. An investigation into by-product formation has shown that the concentration of both carboxylic acids (mainly oxalic acid) and carbonyl compounds (mainly acetone) increases after catalytic ozonation when compared with ozonation alone. A decrease of formic acid and formaldehyde takes place after the PFOA/O-3 system as opposed to the usage of ozonation alone.

KW - 2-phase ozonation

KW - catalytic

KW - gasoline compounds

KW - degradation

KW - organics

KW - MTBE

KW - oxidation

KW - BTEX

KW - ETBE

KW - peroxone

KW - groundwater

KW - ozone

KW - mtbe

KW - tert-butyl ether

KW - ozonation

KW - peroxide

KW - perfluorooctylalumina

KW - drinking water treatment

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