Multiphase Bioreactor Design

(avery) #1

Figure 1.3 kLaL as a function of


superficial gas velocity


full line: data from an ejector


distributor reactor (Zahradník et al.,


1982a); Dr=0.29 m, H=2 m, cs=0


Table 1.5 Values of empirical coeficients in Eq. (5)


N 1 3 6

K 1 0.050 0.058 0.068


K 2 1.014 0.912 0.372


K 3 0.221 0.177 0.107


representing the effect of gas redispersion by internal plates). According to Reith’s
derivation (Reith and Beek, 1971), coefficient 2 in the denominator of Eq.(4) corresponds
to a single-loop circulation observed visually in individual column stages. Obviously,


Multiphase bioreactor design 12 
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