PMID- 22270690
OWN - NLM
STAT- MEDLINE
DCOM- 20121022
LR  - 20121115
IS  - 1572-9729 (Electronic)
IS  - 0923-9820 (Linking)
VI  - 23
IP  - 4
DP  - 2012 Jul
TI  - 2,4,6-trichlorophenol (TCP) photobiodegradation and its effect on community 
      structure.
PG  - 575-83
LID - 10.1007/s10532-012-9534-0 [doi]
AB  - The mechanisms occurring in a photolytic circulating-bed biofilm reactor (PCBBR) 
      treating 2,4,6-trichlorophenol (TCP) were investigated using batch experiments 
      following three protocols: photodegradation alone (P), biodegradation alone (B), 
      and intimately coupled photodegradation and biodegradation (P&B). Initially, the 
      ceramic particles used as biofilm carriers rapidly adsorbed TCP, particularly in 
      the B experiments. During the first 10 min, the TCP removal rate for P&B was 
      equal to the sum of the rates for P and B, and P&B continued to have the greatest 
      TCP removal, with the TCP concentration approaching zero only in the P&B 
      experiments. When phenol, an easily biodegradable compound, was added along with 
      TCP in order to promote TCP mineralization by means of secondary utilization, P&B 
      was superior to P and B in terms of mineralization of TCP, giving 95% removal of 
      chemical oxygen demand (COD). The microbial communities, examined by clone 
      libraries, changed dramatically during the P&B experiments. Whereas Burkholderia 
      xenovorans, a known degrader of chlorinated aromatics, was the dominant strain in 
      the TCP-acclimated inoculum, it was replaced in the P&B biofilm by strains noted 
      for biofilm formation and biodegrading non-chlorinated aromatics.
FAU - Zhang, Yongming
AU  - Zhang Y
AD  - Department of Environmental Engineering, College of Life and Environmental 
      Science, Shanghai Normal University, 200234, Shanghai, People's Republic of 
      China. zhym@shnu.edu.cn
FAU - Pu, Xuejing
AU  - Pu X
FAU - Fang, Miaomiao
AU  - Fang M
FAU - Zhu, Jun
AU  - Zhu J
FAU - Chen, Lujun
AU  - Chen L
FAU - Rittmann, Bruce E
AU  - Rittmann BE
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
PT  - Research Support, U.S. Gov't, Non-P.H.S.
DEP - 20120120
PL  - Netherlands
TA  - Biodegradation
JT  - Biodegradation
JID - 9100834
RN  - 0 (Chlorophenols)
RN  - 0 (Sewage)
RN  - MHS8C5BAUZ (2,4,6-trichlorophenol)
SB  - IM
MH  - Bacteria/chemistry/classification/isolation & purification/radiation effects
MH  - Bacterial Physiological Phenomena
MH  - Biodegradation, Environmental/radiation effects
MH  - Biofilms
MH  - Bioreactors/*microbiology
MH  - Chlorophenols/chemistry/*metabolism
MH  - Kinetics
MH  - Molecular Sequence Data
MH  - Photolysis
MH  - Sewage/chemistry/microbiology
MH  - Ultraviolet Rays
EDAT- 2012/01/25 06:00
MHDA- 2012/10/23 06:00
CRDT- 2012/01/25 06:00
PHST- 2011/08/02 00:00 [received]
PHST- 2012/01/02 00:00 [accepted]
PHST- 2012/01/25 06:00 [entrez]
PHST- 2012/01/25 06:00 [pubmed]
PHST- 2012/10/23 06:00 [medline]
AID - 10.1007/s10532-012-9534-0 [doi]
PST - ppublish
SO  - Biodegradation. 2012 Jul;23(4):575-83. doi: 10.1007/s10532-012-9534-0. Epub 2012 
      Jan 20.