Question

The overall mass transfer co-efficient for the absorption of SO₂ in air with dilute NaOH solution can be increased substantially by

a.

increasing the gas film co-efficient.

b.

increasing the liquid film co-efficient.

c.

increasing the total pressure.

d.

decreasing the total pressure.

Answer: (a).increasing the gas film co-efficient.

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Q. The overall mass transfer co-efficient for the absorption of SO₂ in air with dilute NaOH solution can be increased substantially by

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