نتایج جستجو برای: polyethersulfone

تعداد نتایج: 464  

Journal: :Separation and Purification Technology 2022

The utilisation of plant-derived nanoscale cellulosic materials (cellulose nanofibrils, CNF) in tailoring water purification membranes is constantly gaining interest the context green-functionalised membrane solutions. However, most existing approaches based on renewable and biobased suffer from lack efficient scalable processing strategies. Here, we introduce a roll-to-roll modification approa...

2017
Muhammad Ali Nurrahmi Handayani Katja Loos

Immobilization of enzymes is one of the most promising methods in enzyme performance enhancement, including stability, recovery, and reusability. However, investigation of suitable solid support in enzyme immobilization is still a scientific challenge. Polyethersulfone (PES) and aminated PES (PES–NH2) were successfully synthesized as novel materials for immobilization. Membranes with various po...

2014
Ahmad Moarefian Hossein Alizadeh Golestani Hooman Bahmanpour

The present study investigated the performance of a self-made nanofiltration (NF) membrane for the removal of antibiotics from wastewater under changing operating conditions such as pH, initial feed concentration, operating pressure, and temperature. Amoxicillin (AMX) was used as one of the commonly prescribed antibiotics. A self-made NF membrane containing Polyethersulfone (PES), and Polyvinyl...

2002
Dattatray S. Wavhal Ellen R. Fisher

A complete and permanent hydrophilic modification of polyethersulfone (PES) membranes is achieved by argon plasma treatment followed by polyacrylic acid (PAA) grafting in vapor phase. Both Ar plasma treatment alone and post-PAA grafting rendered a complete hydrophilicity to the PES membranes. The hydrophilicity of the membranes treated with only the Ar plasmas is not, however, permanent. In con...

2013
Nasrul Arahman Bastian Arifin Sri Mulyati Yoshikage Ohmukai Hideto Matsuyama

Hydrophilic polyethersulfone (PES) hollow fiber membranes were prepared via non-solvent induced phase separation (NIPS) by addition of polymeric additives as a membrane modifying agent. The effect of the addition of hydrophilic surfactant Pluronic F127, Polyivinylpyrrolidone (PVP), and Tetronic 1307 on the performance of the final PES hollow-fiber membrane was investigated. The morphology of fa...

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