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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