International Journal of Chemical Engineering / 2016 / Article / Tab 1

Research Article

Oxygen Mass Transfer in an Aerated Stirred Tank with Double Impellers: A Generalized Correlation Including Spacing Impact

Table 1

The most commonly stated oxygen mass transfer coefficient correlations for stirred and aerated vessels with multiple impellers (liquid volume of 0.036–0.46 m3).

System
description
CorrelationReference

= 0.8 m
/ = 0.24
= 1.67–5.0 rps
/ = 1.37–1.45
/ = 0.5–1.0
IBRC-PBPU
Air-water
This work

= 0.6 m
/ = 0.33
/ = 1–3
= 2.5–10 rps
Various multiple impeller
Air -water
Moucha et al. 2009 [19]

= 0.3 m
/ = 0.4
/ = 1.8
= 8–13 rps
PDT + 2CBYN
Air-water
Zhang et al. 2015 [20]

= 0.2 m
/ = 0.5
/ = 0.8–1.8
= 1–10 rps
LSB multiple impeller
Pure O2-water
Luo et al. 2015 [21]