Mass Transfer
A coalescer in a mixer-settler liquid-liquid extraction coloumn

Helps in increasing the settling rate of the bubbles
Helps in increasing the bubble size entering the settler
All of these
Comprises of thin bed of substances of extended surface having high porosity

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Mass Transfer
Humid volume is the total volume in m³ of 1 kg of

Gas plus its accompanying vapour at 1 atm. and room temperature
Gas plus its accompanying vapour at 1 atm. and gas temperature
Vapour laden gas at 1 atm. and gas temperature
Vapour laden gas at 1 atm. and room temperature

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