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88.4 Between g-phase and I-phase for mass transfer 8.4.1 Equation of rate for mass transfer with convection .Total equation of rate in partial pressure: difference According to NA= KG(PGP =K(C-CL) N与 G-phase or: Liquid-p浓度和界面浓度有关。 But:(x) This: interface~假设的; (2)在一些特殊情况下它是存在,但很难测定。 而:G~L主体的浓度是可以测定的。 类似于传热~用冷热流体的进出口温度, 传质~用主体浓度。 令:C1=(1/H)p1*andC=(1/Hp;代入上式:一.Total equation of rate in partial pressure difference ∵According to NA= kG(pG-pi ) = kL(Ci-CL) NA与G-phase or Liquid-p浓度和界面浓度有关。 But : ⑴This interface ~假设的; ⑵ 在一些特殊情况下它是存在,但很难测定。 而:G~ L主体的浓度是可以测定的。 ∴ 类似于传热~用冷热流体的进出口温度, 传质~用主体浓度。 令:CL=(1/H)pL* and Ci=(1/H)pi 代入上式: 8.4.1 Equation of rate for mass transfer with convection §8.4 Between g-phase and l-phase for mass transfer
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