PMID- 18789564
OWN - NLM
STAT- MEDLINE
DCOM- 20090202
LR  - 20121115
IS  - 1873-6424 (Electronic)
IS  - 0269-7491 (Linking)
VI  - 157
IP  - 1
DP  - 2009 Jan
TI  - Remediation of a chlorinated aromatic hydrocarbon in water by 
      photoelectrocatalysis.
PG  - 72-6
LID - 10.1016/j.envpol.2008.07.024 [doi]
AB  - Photoelectrocatalysis driven by visible light offers a new and potentially 
      powerful technology for the remediation of water contaminated by 
      organo-xenobiotics. In this study, the performance of a visible light-driven 
      photoelectrocatalytic (PEC) batch reactor, applying a tungsten trioxide (WO(3)) 
      photoelectrode, to degrade the model pollutant 2,4-dichlorophenol (2,4-DCP) was 
      monitored both by toxicological assessment (biosensing) and chemical analysis. 
      The bacterial biosensor used to assess the presence of toxicity of the parent 
      molecule and its breakdown products was a multicopy plasmid lux-marked E. coli 
      HB101 pUCD607. The bacterial biosensor traced the removal of 2,4-DCP, and in some 
      case, its toxicity response suggests the identification of transient toxic 
      intermediates. The loss of the parent molecule, 2,4-DCP determined by HPLC, 
      corresponded to the recorded photocurrents. Photoelectrocatalysis offers 
      considerable potential for the remediation of chlorinated hydrocarbons, and that 
      the biosensor based toxicity results identified likely compatibility of this 
      technology with conventional, biological wastewater treatment.
FAU - Nissen, Silke
AU  - Nissen S
AD  - Department of Plant and Soil Science, Cruickshank Building, University of 
      Aberdeen, St. Machar Drive, Aberdeen AB24 3UU, Scotland, UK. s.nissen@abdn.ac.uk
FAU - Alexander, Bruce D
AU  - Alexander BD
FAU - Dawood, Ilyas
AU  - Dawood I
FAU - Tillotson, Martin
AU  - Tillotson M
FAU - Wells, Richard P K
AU  - Wells RP
FAU - Macphee, Donald E
AU  - Macphee DE
FAU - Killham, Kenneth
AU  - Killham K
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20080911
PL  - England
TA  - Environ Pollut
JT  - Environmental pollution (Barking, Essex : 1987)
JID - 8804476
RN  - 0 (Chlorophenols)
RN  - 0 (Water Pollutants, Chemical)
RN  - 0 (Xenobiotics)
RN  - R669TG1950 (2,4-dichlorophenol)
SB  - IM
MH  - Bioreactors
MH  - Catalysis
MH  - *Chlorophenols
MH  - Electrochemical Techniques
MH  - Escherichia coli/metabolism
MH  - *Light
MH  - Toxicity Tests, Acute
MH  - *Water Pollutants, Chemical
MH  - Water Purification/*methods
MH  - Xenobiotics
EDAT- 2008/09/16 09:00
MHDA- 2009/02/03 09:00
CRDT- 2008/09/16 09:00
PHST- 2008/07/11 00:00 [received]
PHST- 2008/07/29 00:00 [accepted]
PHST- 2008/09/16 09:00 [pubmed]
PHST- 2009/02/03 09:00 [medline]
PHST- 2008/09/16 09:00 [entrez]
AID - S0269-7491(08)00403-X [pii]
AID - 10.1016/j.envpol.2008.07.024 [doi]
PST - ppublish
SO  - Environ Pollut. 2009 Jan;157(1):72-6. doi: 10.1016/j.envpol.2008.07.024. Epub 
      2008 Sep 11.