The rapid advancement of membrane gas separation processes has spurred the
development of new and more efficient membrane materials, including polymers of intrinsic …

Composite chitosan membranes filled with various amount of iron ferroferric oxides (Fe 3 O
4) cross-linked by two different agents, ie sulphuric acid (CHSA) and glutaraldehyde (CHGA) …

While diffusion has been well studied, diffusion across multiple layers, each with different
properties, has had less attention. This type of diffusion may arise in heat transport across …

Electrospun poly (vinyl cinnamate)(PVCi) nanofibers were cross-linked for varying times to
study the impact it has on fiber stability at elevated temperatures and in dimethylformamide …

PDMS–AgY zeolite mixed matrix membranes were prepared for separation of thiopenes
from mixture of n-octane, thiophene and 2-methyl-thiophene. Experimental results show that …

The gas and organic vapour permeation of integrally skinned asymmetric poly (vinylidene
fluoride)(PVDF) hollow fibre membranes with an effective skin thickness of ca. 0.2 μm was …

Although significant progress has been made to extend the “upper bound” of membrane
performance, ie the well-known permeabilityselectivity trade-off, the main obstacle for a …

The resistance to gas accumulation in constant volume systems has been evaluated by
means of a position-depended time lag. The greater the absolute value of the time lag, the …

Poly (2, 6-dimethyl-1, 4-phenylene oxide) composite membrane containing the different
amount of nano-sized magnetic iron oxide (magnetite) was used in gas separation (N2/O2) …

The time-lag method based on downstream measurements is one of the most popular
methods for gas membrane characterization. This method is commonly used to characterize …