Wetting mechanism in mass transfer process of hydrophobic membrane gas absorption

Kinetics of VOC absorption using capillary membrane contactor

“…With respect to Gryta's [26] observation on long-term membrane distillation of water long-term membrane absorption process stability might be expected. The wetting phenomenon mostly affects systems using liquids with lowered contact angle (surface tension)-amine solutions for acid gases membrane absorption [27].…”

Application of Polymeric Membrane in CO<sub>2</sub> Capture from Post Combustion

“…Modeling and experimental results indicate that wetting of gas mixtures and thus increase in the gas transport efficiency); 4) chemical compatibility with membrane; and 5) easy regeneration (low energy consumption) [3]. membrane pores significantly affects the mass transfer coefficients of the membrane module [32,33] Membrane wetting can result from the membrane materials, the liquid absorbents and possibly its interaction between materials and liquid absorbents. The membrane materials should be hydrophobic, have small pores and possibly thick membrane wall difficult for absorbents to penetrate through [3].…”

Characterization of partial pore wetting in hollow fiber gas absorption membrane contactors: An EDX analysis approach

“…the initial rapid mass transfer gradually decreases owing to the partial pore wetting. It is also known that the impact of membrane pore wetting is more pronounced for the membrane of higher porosity [2]. Thus, membrane wetting has become the main concern for a long-term operation of CO 2 absorption and other industrial applications.…”