Biomedical Engineering Reference
In-Depth Information
Table 8.3. Microcosm and Column Studies of the Bioaugmentation Process
Bioaugmentation
Process
Substrate or Cells
Added
Study
Type of Study
Culture Added
Contaminant Added
Hanna and Taylor
( 1996 )
Approach I
Resting cell
biocatalysis activity
Continuous flow
column
Methylosinus
trichosporium OB3b
TCE
Resting cells
10 9
cell/g dry sand)
10 8 -1.5
(7
Tompson et al. ( 1994 )
Approach I
Resting cell
biocatalysis activity
Continuous flow
column
Methylosinus
trichosporium OB3b
TCE (4 mg/L)
Resting cells
(2 10 8 cell/g dry sand)
Munakata-Marr et al.
( 1996 , 1997 )
Approaches I and II
Biocatalysis activity
Strain with
constitutively
expressed oxygenase
Batch exchanged
column
Aquifer/groundwater
Burkholderia cepacia
G4
B. cepacia PR1 23
and PR1 301
TCE (250 m g/L)
Lactate (15 mg/L)
Phenol (6.5 mg/L)
70 m g of cells
10 7 cells/mL
Phthalate (4 mM)
Synder et al. ( 2000 )
Approach I and II
Resting cell
and substrate
Continuous flow
column
Burkholderia cepacia
G4
TCE (66-100
g/L)
6.3-6.6
m
B. cepacia 5.7 10 10
CFU
K. oxytoca 1.6 10 11
CFU
30 to 70 mg/L DOC
Komlos et al. ( 2004 )
Approach II
Biofilm cometabolism
Continuous flow
column
Burkholderia cepacia
PR1 and Klebsiella
oxytoca
TCE (1.1-1.2 mg/L)
Jitnuyanont et al.
( 2001 )
Approach III
Strain with enhanced
transformation abilities
Batch slurry
Aquifer/groundwater
Mixed culture
1,1,1-TCA (50-250 m g)
Butane (5 mg)
(continued)
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