Effects of water condensation on hollow fiber membrane contactor performance for CO2 capture by absorption into a chemical solvent

10.1016/j.memsci.2018.04.005

2018-04-06

The present study investigates the impact of water vapor condensation on the performance of hollow fiber membrane contactors for CO2 capture by absorption into a chemical solvent. A one-dimensional adiabatic transfer model for CO2 absorption in Monoethanolami...

Preparation, characterization of PPS micro-porous membranes and their excellent performance in vacuum membrane distillation

10.1016/j.memsci.2018.03.084

2018-04-04

Polyphenylene sulfide (PPS) hydrophobic micro-porous flat sheet membranes were fabricated with diphenyl ketone (DPK) and benzoin (BZ) as mixed diluent via thermally induced phase separation (TIPS). It was found that the mass ratio of DPK/BZ had a strong influ...

Crosslinked Norbornene Copolymer Anion Exchange Membrane for Fuel Cells

10.1016/j.memsci.2018.03.080

2018-04-04

A series of crosslinked anion exchange membranes (AEMs) were prepared through ring-opening metathesis polymerization (ROMP) of tetraalkylammonium-functionalized norbornene derivatives. Dimensional stability and mechanical properties were enhanced by the cross...

Fabrication and field testing of spiral-wound membrane modules for CO2 capture from flue gas

10.1016/j.memsci.2018.04.001

2018-04-04

A spiral-wound membrane module comprising face compression “O” rings for effective seal of gases was developed, including a spiral-wound membrane element, Plexiglas fiber-reinforced plastic tube, and membrane housing. The spiral-wound membrane modules demonst...

Tuning the ion selectivity of porous poly(2,5-benzimidazole) membranes by phase separation for all vanadium redox flow batteries

10.1016/j.memsci.2018.03.086

2018-04-04

Porous polybenzimidazole membranes have been suggested by far as the most promising candidate to replace perfluorinated ionomer membranes in all vanadium redox flow batteries (VRFB). These porous membranes can simply be prepared from a phase separation proces...

How the shape of fillers affects the barrier properties of polymer/ non-porous particles nanocomposites: A review

10.1016/j.memsci.2018.03.085

2018-04-03

More than 1000 published experimental data of gas (O2 and CO2) and vapor (H2O) permeability in nanocomposites containing either spherical, elongated or platelet particles were collected, assorted and compared in order to decipher the role of particle shape on...

High-performance UiO-66-NH2 tubular membranes by Zirconia-induced synthesis for desulfurization of model gasoline via pervaporation

10.1016/j.memsci.2018.03.090

2018-04-03

Defect-free UiO-66-NH2 membranes with high performance were prepared on the inner side of porous tubular α-alumina substrates modified with a thin layer of zirconia and were explored for the deep desulfurization of model gasoline via pervaporation. The delibe...

Layer-by-layer assembled polymer/MOF membrane for H2/CO2 separation

10.1016/j.memsci.2018.03.081

2018-04-03

Numerous investigators have produced polymer composites containing metal-organic framework (MOF) filler particles in attempts to combine the processability of polymers and the gas selectivity of MOF particles. However, filler particle aggregation and weak fil...

In-situ photocrosslinked hydroxide conductive membranes based on photosensitive poly(arylene ether sulfone) block copolymers for anion exchange membrane fuel cells

10.1016/j.memsci.2018.03.088

2018-04-03

A series of photocrosslinkable multi-block poly(arylene ether sulfone) copolymers containing various block lengths of hydrophilic segments were synthesized. For comparison, a series of random poly(arylene ether) copolymers were also synthesized. The anion exc...

Manipulating membrane surface porosity and pore size by in-situ assembly of Pluronic F127 and tannin

10.1016/j.memsci.2018.03.087

2018-04-03

For porous membranes, membrane porosity determines permeability whereas membrane pore size determines selectivity. In many cases, increasing membrane porosity can elevate the permeability but often sacrifices the selectivity due to the accompanying increase o...