Table 6

A comparison of 2,3-butanediol productivity in a packed bed biofilm reactor with productivities in other reactor types

Reactor Type

Culture

Substrate

Productivity [gL^-1h^-1]

Reference

Biofilm, continuous

K. pneumoniae

Whey permeate

11.70

[23]

Batch (control)

A. aerogenes

Glucose

1.10

[96]

Continuous reactor (free cells)

K. pneumoniae

Glucose

4.25

[97]

Immobilized cell continuous

K. pneumoniae

Whey permeate

2.30

[98]

Cell recycle, continuous

B. polymyxa

Whey permeate

1.04

[95]

Cell recycle, continuous

K. pneumoniae

Glucose

9.84

[99]

Cell recycle, continuous

E. aerogenes

Glucose

5.40

[100]

Qureshi et al. Microbial Cell Factories 2005 4:24   doi:10.1186/1475-2859-4-24