PMID- 16973234
OWN - NLM
STAT- MEDLINE
DCOM- 20070322
LR  - 20121115
IS  - 0168-1656 (Print)
IS  - 0168-1656 (Linking)
VI  - 127
IP  - 4
DP  - 2007 Jan 20
TI  - Biodegradation kinetics of 2,4-dichlorophenol by acclimated mixed cultures.
PG  - 716-26
AB  - The biodegradation kinetics of 2,4-dichlorophenol (2,4-DCP) by culture (Culture 
      M) acclimated to mixture of 4-chlorophenol (4-CP) and 2,4-DCP and the culture 
      (Culture 4) acclimated to 4-CP only were investigated in aerobic batch reactors. 
      Also, pure strains isolated from mixed cultures were searched for their ability 
      towards the biodegradation of 2,4-DCP. Culture 4 was able to completely degrade 
      2,4-DCP up to 80 mg/L within 30 h and removal efficiency dropped to 21% upon 
      increasing initial concentration to 108.8 mg/L. When the Culture M was used, 
      complete degradation of 2,4-DCP in the range of 12.5-104.4 mg/L was attained. A 
      linear relationship between time required for complete degradation and initial 
      2,4-DCP concentrations was observed for both mixed cultures. It was observed that 
      the Haldane equation can be used to predict specific degradation rate (SDR) 
      (R(2)>0.99) as a function of initial 2,4-DCP concentrations and it adequately 
      describes 2,4-DCP concentration profiles. Both of the mixed cultures settled 
      well, which is important to maintain good removal efficiency for longer periods 
      of time for real full-scale applications. Although the pure strains isolated from 
      mixed cultures were found to have higher SDR of 2,4-DCP compared to mixed 
      cultures, they did not settle well under quiescent conditions.
FAU - Sahinkaya, Erkan
AU  - Sahinkaya E
AD  - Middle East Technical University, Environmental Engineering Department, 06531 
      Ankara, Turkey. erkans@metu.edu.tr
FAU - Dilek, Filiz B
AU  - Dilek FB
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20060914
PL  - Netherlands
TA  - J Biotechnol
JT  - Journal of biotechnology
JID - 8411927
RN  - 0 (Chlorophenols)
RN  - 0 (Culture Media)
RN  - 3DLC36A01X (4-chlorophenol)
RN  - R669TG1950 (2,4-dichlorophenol)
SB  - IM
MH  - Bacteria/*metabolism
MH  - Biodegradation, Environmental
MH  - *Bioreactors
MH  - Cells, Cultured
MH  - Chlorophenols/*chemistry/*metabolism
MH  - Culture Media
MH  - Kinetics
MH  - Time Factors
EDAT- 2006/09/16 09:00
MHDA- 2007/03/23 09:00
CRDT- 2006/09/16 09:00
PHST- 2006/03/21 00:00 [received]
PHST- 2006/06/26 00:00 [revised]
PHST- 2006/08/05 00:00 [accepted]
PHST- 2006/09/16 09:00 [pubmed]
PHST- 2007/03/23 09:00 [medline]
PHST- 2006/09/16 09:00 [entrez]
AID - S0168-1656(06)00698-5 [pii]
AID - 10.1016/j.jbiotec.2006.08.009 [doi]
PST - ppublish
SO  - J Biotechnol. 2007 Jan 20;127(4):716-26. doi: 10.1016/j.jbiotec.2006.08.009. Epub 
      2006 Sep 14.