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RISPreparation and characterization of PVDF-CTFE hollow fibre membranes using thermal induced phase separation -TIPS-
Polyvinylidenedifluoride-co-chlorotrifluoroethylene -PVDF-CTFE- is a commercial fluoropolymer that presents high hydrophobicity, excellent mechanical strength, and good chemical and thermal resistance. There are two main ...
Effect of direct electric current on anti-biofouling properties in electrodialysis processes
The fouling was evaluated by the increase of transmembrane potential due to the increase of membrane electric resistance caused by biofouling. However, the voltage was not changed for 20h. Then, for further investigation, ...
Analysis of ECTFE/diluent miscibility using molecular dynamics simulation
Poly -ethylene-chlorotrifluoroethylene- -ECTFE- offers unique chemical resistance, high temperature resistance, excellent mechanical properties and durability. However, it is not feasible to prepare ECTFE membranes via ...
Poly-ethylene chlorotrifluoroethylene- hollow fiber membranes fabrication via thermally induced phase separation -TIPS-
A porous poly -ethylene-chlorotrifluoroethylene- -ECTFE- hollow fiber membrane with a high performance were prepared using HALAR® ECTFE 901 and different diluents diethyl phthalate -DEP- and glycerol triacetate -GTA-. When ...
The effect of surface modification on biofouling of anion exchange membrane under reverse electrodialysis process
Biofouling is considered as one of the most severe problems for the practical application of the RED process. Surface modification using a negatively charged polyanion layer on AEMs is a promising approach to improve the ...
Preparation of Poly-ethylene-co-vinyl-alcohol- Hollow Fiber Membranes via Thermally Induced Phase Separation process
Poly-ethylene-co-vinyl alcohol- -EVOH- is a crystalline random copolymer with vinyl alcohol and ethylene segments, and has been widely used as food packaging material due to its excellent gas barrier properties and ...
The effect of polydopamine coating on anti-biofouling properties in electrodialysis processes
Electrodialysis -ED- is an electrochemical membrane process applied to produce a drinking water from brackish water. However, a fouling is a serious problem of this process, in particular, a fouling of anion-exchange ...
Effect of direct electric current and field on biofouling in ED and RED
Electrodialysis -ED- and revers electrodialysis -RED- are electrochemical membrane processes with ion exchange membranes used to produce potable water and sustainable clean energy, respectively. The characteristic of these ...
ECTFE hollow fiber membranes preparation via thermally induced phase separation -TIPS-
Having strong mechanical strength and high thermal, chemical, and fouling resistances is a crucial requirement for a membrane to apply for industrial and municipal water and wastewater treatment. Poly -ethylene-chlorotri ...
Anti-biofouling enhancement of anion-exchange membrane by polydopamine coating in electrodialysis process
ED performance, it is needed to enhance the monovalent anion permselectivity and anti-fouling properties included anti-organic, anti-inorganic and anti-biofouling of anion-exchange membranes -AEMs-. In our previous study, ...