Permeation of Vapors Through Porous Membranes

Permeation of Vapors Through Porous Membranes - AUETD

Permeation of Vapors Through Porous Membranes · Abstract. Three types of microporous membranes have been investigated regarding their porsity and permeability ...

PERMEATION OF VAPORS THROUGH POROUS MEMBRANES ...

Integrated Textile and Apparel Science in Auburn University in August 2003. Page 5. v. PERMEATION OF VAPORS THROUGH POROUS MEMBRANES. Prithi Ananthayya Rao.

Moisture permeation through porous membranes - ScienceDirect.com

The present research combines the experimental measurements and theoretical analyses. The experiment includes the test of water vapor permeation through ...

Water Vapor Permeability through Porous Polymeric Membranes ...

Within the framework of a Zolotarev–Dubinin dual dispersive model, an analytical equation is obtained that relates permeability to diffusion ...

Permeation of acetone and isopropanol vapours through a porous ...

The expression of the first two mechanisms, taking into account the blockage due to adsorption of an organic vapour on membrane pore wall, was developed before.

Condensation and evaporation in micro-porous membranes

The flow of vapors through porous membranes is of interest in a number of membrane separation processes such as pervaporation and permeation.

Permeation properties of hydrogen and water vapor through porous ...

Permeation of gases through microporous silica membranes can be explained based on the assumption of a bimodal pore size distribution consisting ...

(PDF) Water Vapor Permeability through Porous Polymeric ...

The article is devoted to the analysis of sorption kinetics, permeability, and diffusion of water vapor in porous polymeric membranes of ...

Permeation properties of hydrogen and water vapor through porous ...

Silica and cobalt-doped silica membranes that showed a high permeance of 1.8 × 10−7 mol m−2 s−1 Pa−1 and a H2/N2 permeance ratio of ∼730, ...

Effect of moisture condensation on vapour transmission through ...

Wetting of a porous membrane due to water impingement or condensation can also impact its permeability. The swelling of hygroscopic cotton ...

Testing Water Vapour Permeability through Porous Membranes

Download Citation | Testing Water Vapour Permeability through Porous Membranes | n Introduction The use of polymer membranes in mod- ern sportswear and ...

Effect of moisture condensation on vapour transmission through ...

Porous membranes find natural application in various fields and industries. Water condensation on membranes can block pores, reduce vapour ...

Water vapor permeation and morphology of polysulfone membranes ...

Water vapor transmission rates varied from 30 to 48 g/m2.h depending on membrane morphology. They also show that for membranes with the same type of skin layer ...

Role of water in vapor permeation through graphene oxide ...

Membranes with atomic-level pores or constrictions are valuable for separation processes. Among these, graphene oxide (GO) membranes represent an emerging ...

Water Vapor Permeability through Porous Polymeric Membranes ...

The article is devoted to the analysis of sorption kinetics, permeability, and diffusion of water vapor in porous polymeric membranes of different ...

Surface-Engineered Inorganic Nanoporous Membranes for Vapor ...

them to permeate through the membrane pores (Figure 4A). Conversely, the hydrophilic surfaced membranes prefer polar liquid/molecules to ...

Role of water in vapor permeation through graphene oxide ...

Membrane separation processes, such as vapor permeation and pervaporation, have gained attention as promising alternatives. These methods use a ...

Derivation of the permeation equation for diffusion of gases and ...

Obtained final expression for the concentration profile inside a flat membrane and the diffusion flux through a membrane were verified on permeability data of ...

Vapor permeation studies of membranes made from molecular ...

Keywords: Diffusion; Gas and vapor permeation; Membrane preparation and structure; Microporous and porous membranes; Novel materials ... in microporous materials.

Membrane Design for Pervaporation or Vapor Permeation ...

The grafted polymer (the filling polymer) in the pores was assumed to be a normal linear polymer, and solubility and diffusivity of the filling polymer will be ...