Table 2. Continuous gluconic acid fermentation with biomass retention by means of cross over filtration.


Residence time

hr

22

19

Biomass

(g/l)

23

25

Gluconic acid

(g/l)

375

370

Rj

(g/l x h)

17

19.5

mp

(g/g x h)

0.74

0.78

Conversion

(%)

100

100

Selectivity

(%)

78

77


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