8.4.2 Steps of controlling resistance for mass-transfer 一, For the solubility of the gas is very high~易溶气体 1传质阻力大部分集中在气膜內 For example: NH3H2O, HCIH,O H/k1<1/kG, 而:1 H Kg=kG This result indicates that the gas-film resistance controls the rate of a bsorption. 实验表明:易溶气体,气膜阻力可占到80~90% ∴属于气膜控制一.For the solubility of the gas is very high ～易溶气体 1.传质阻力大部分集中在气膜内 For example: NH3 ～H2O ， HCl ～H2O ∵ H/ kL<< 1/kG ， 而： ∴ KG = k G This result indicates that the gas-film resistance controls the rate of absorption. 实验表明：易溶气体，气膜阻力可占到80～90％。 ∴ 属于气膜控制 8.4.2 Steps of controlling resistance for mass-transfer G G L 1 1 H = + K k k