We have studied gas holdup according to gas velocity, liquid velocity, and properties of solution such as surface tension, viscosity, activity coefficient and density in cocurrent bubble column.
The results are as follows;
1. As liquid velocity incr...
We have studied gas holdup according to gas velocity, liquid velocity, and properties of solution such as surface tension, viscosity, activity coefficient and density in cocurrent bubble column.
The results are as follows;
1. As liquid velocity increases under the large gas velocity, gas holdup decreases to some degree but at slow gas velocity it is not nearly affected.
2. If surface tension of solution grows, gas hold up drops. This phenomena was remarkably appeared in three components mixture solutions of water-methanol-inorganic acid.
3. Gas holdup with a increase of viscosity of solutions rises gradually in 3 solutions of water-ethanol-inorganic acid, but in case of solutions of water-methanol-inorganic acid it grows in the range of the small value and reduces rather in the large value.
4. The correlation among the gas holdup and physical parameters was formulated from experimental data as follows;
φ=k(DU_(G)ρ_(G)/μ_(G))ⁿ (σ/g^(½)μ_(L)δ^(½)ε)
K and n are the same as Table 1.