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Cellulose acetate

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... gas permeability improves because of the increasing free volume and/or temperature of the membranes. The permeability coefficients of CO2 for a cellulose acetate (CA) membrane were measured at 25°C using a hand-made apparatus which can irradiate a microwave (2,450 MHz) to the membrane. Both th ...
Desalination 145 (2002)

Membranes are widely used in wastewater treatment. In this study, cellulose acetate (CA) (Mw = 52,000) was mixed with polyethylene glycol (PEG) (Mw = 400) as an additive in N-methyl-2-pyrrolidone as a solvent. The phas ...
Desalination 243 (2009)

In this work, we report about cellulose acetate nanofiltration (NF) membrane preparation according to the phase inversion process. Pore size was monitored by using dope solutions of tw ...
Desalination 167 (2004)

Composite cellulose acetate (CA) based membranes having a hydrophobic top layer made of polymethylhydrosiloxane (PMHS) were prepared with the aim of desalination o ...
Desalination 162 (2004)

... organic (COD of 20,000–35,000 mg.L−1) and inorganic (TDS of 30–40 g.L−1) load. These seafood effluents were subjected to treatment with cellulose acetate (CA) membranes synthesised according to the phase inversion process. Two preparation parameters, i.e. polymer concentration in the dop ...
Desalination 177 (2005)

The most common reverse osmosis (RO) membranes which attained the stage of economic application in desalination plants are made of cellulose acetate (CA) or polyamide (PA), in either hollow fiber (HF) or spiral wound (SW) configurations. The first application problem of CA membrane i ...
Desalination 153 (2002)

Surface modification of nanofiltration cellulose acetate (CA) membranes was carried out by alternating layer-bylayer deposition of acidic chitosan (CHI) and sodium alginate (ALG) as the cationi ...
Desalination 163 (2004)

Asymmetric cellulose diacetate (CA) based membranes were prepared according to the phase inversion process from acetone/formamide (2:1 wt./wt.) casting solutions. Th ...
Desalination 146 (2002)

... was fabricated with an inner layer of poly(vinylidene fluoride) (PVDF) via thermally induced phase separation (TIPS), and an outer layer of cellulose diacetate (CA) via non-solvent induced phase separation (NIPS). The intermediate-treatment using dimethyl formamide (DMSO) between the two layer ...
Desalination 365 (2015)

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