e8.4.2 Steps of controlling resistance for mass-transfer. For solubility of the gas is very low~难溶气体 1传质阻力大部分集中在液膜内 H很大,例如:H2O~O2,H2, and co2 Hco 2= 2580 pal[kmol/m3 H/k>> 1/k It Indicates that the liquid-film resistance controls the rate of absorption, and 1/kG can be ignored. Then:Kc≈ KL/H or k≈k~液膜控制二.For solubility of the gas is very low～难溶气体 1.传质阻力大部分集中在液膜内 ∵ H很大，例如：H2O～O2 , H2 , and CO2 Hco2 = 2580 pa/[kmol/m3 ] ∴ H/kL >> 1 / kG It Indicates that the liquid-film resistance controls the rate of absorption, and 1/kG can be ignored. Then： KG≈ kL/H or KL≈ kL ～ 液膜控制 8.4.2 Steps of controlling resistance for mass-transfer