Interphase Mass Transfer- An Important Mass Transfer Phenomenon

Sunil jayant Kulkarni
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Abstract

Various theories were proposed in past to explain interphase mass transfer. For the case of gas liquid interphase mass transfer, it is well known fact that for every concentration in one phase, there is equilibrium concentration in other phase. The departure from this equilibrium state is causing the mass transfer. Wetted wall column experiments were considered for understanding of two resistance concepts [1,2]. Theories namely Film theory, penetration theory and surface renewal theory were proposed by various investigator to explain the interphase mass transfer and relation between diffusivity and mass transfer coefficient. Interphase mass transfer has been interesting area of investigation because of its complexity and importance in mass transfer in many processes[3,4].
相间传质——一种重要的传质现象
过去提出了各种理论来解释相间传质。对于气液两相间传质,众所周知,对于一相中的每一个浓度,在另一相中都有一个平衡浓度。偏离平衡态引起了传质。为了理解两个阻力概念,我们考虑了湿壁柱实验[1,2]。各种研究者提出了膜理论、穿透理论和表面更新理论来解释相间传质以及扩散系数和传质系数之间的关系。由于质间传质在许多过程中的复杂性和重要性,质间传质一直是一个有趣的研究领域[3,4]。
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