Influence of Biofilms on Porous Media Hydrodynamics - Porous Media: Applications in Biological Systems and Biotechnology - page 192

TABLE 5.1
(Continued)

Initial
Permeability
(cm 2 )

Final or Lowest
Permeability
(cm 2 )

Log
(Reduction)

Porous Medium Inoculum Source

2.33E-07 5.82E-08 0.6 Berea sandstone Bacillus cereus (killed) Kalish et al. 1964

1.75E-04 3.68E-05 0.7 Sand Klebsiella oxytoca and

Burkholderia cepacia

Komlos et al. 2004

3.49E-06 4.65E-07 0.9 Berea sandstone Bacillus sp. Raiders et al. 1986

2.64E-01 2.88E-02 1.0 Artificial fracture Groundwater community Castegnier et al. 2006

2.33E-07 2.33E-08 1.0 Berea sandstone Micrococcus flavus (killed) Kalish et al. 1964

1.14E-05 1.16E-06 1.0 Sand Mixed community,

previously exposed to
nitrate

Kildsgaard and
Engesgaard 2001

4.65E-05 3.49E-06 1.1 Sand Pseudomonas sp. Cusack et al. 1992

2.33E-09 1.75E-10 1.1 Sand plus kaolinite Beijerinckia indica Dennis and Turner

1998

1.05E-05 8.35E-07 1.1 Sandy limestone

aquifer material

Indigenous community Rinck-Pfeiffer et al.

2000

6.98E-06 4.65E-07 1.2 Hanford loam Indigenous Allison 1947

Pseudomonas fluorescens

4.89E-04 3.42E-05 1.2 Screened soil Cunningham et al.

2003

5.82E-06 3.49E-07 1.2 Berea sandstone,

aerobic

Indigenous Raiders et al. 1986

4.65E-05 2.33E-06 1.3 Sandy loam Indigenous Allison 1947