Effects of solubility parameter differences among PEG,PVP and CA on the preparation of ultrafiltration membranes:Impacts of solvents and additives on morphology,permeability and fouling performances

Kibrom Alebel Gebru; Chandan Das

doi:10.1016/j.cjche.2016.11.017

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Effects of solubility parameter differences among PEG,PVP and CA on the preparation of ultrafiltration membranes:Impacts of solvents and additives on morphology,permeability and fouling performances

Separation Science and Engineering | Updated：2026-01-06

- Effects of solubility parameter differences among PEG,PVP and CA on the preparation of ultrafiltration membranes:Impacts of solvents and additives on morphology,permeability and fouling performances
- Chinese Journal of Chemical Engineering Vol. 25, Issue 7, Pages: 911-923(2017)
- Affiliations：
  
  Department of Chemical Engineering, Indian Institute of Technology Guwahati, 781039, Assam,India
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2016.11.017
  CLC：
- Published：2017
- Accepted：
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Kibrom Alebel Gebru, Chandan Das. Effects of solubility parameter differences among PEG,PVP and CA on the preparation of ultrafiltration membranes:Impacts of solvents and additives on morphology,permeability and fouling performances[J]. , 2017, 25(7): 911-923.
DOI：

Kibrom Alebel Gebru, Chandan Das. Effects of solubility parameter differences among PEG,PVP and CA on the preparation of ultrafiltration membranes:Impacts of solvents and additives on morphology,permeability and fouling performances[J]. , 2017, 25(7): 911-923. DOI： 10.1016/j.cjche.2016.11.017.

摘要

Abstract

The effects of two different hydrophilic additives and two solvents on the membrane morphological structure

permeability property and anti-fouling performances of cellulose acetate (CA) ultrafiltration membranes were investigated. During the phase-inversion process

cellulose acetate was selected as a membrane forming polymer; polyethylene glycol (PEG) and polyvinyl pyrrolidone (PVP) were used as additives; acetone (Ac):

-Dimethylacetamide (DMAc) and

-Dimethylformamide (DMF) were used as solvents; and deionized (DI) water was used in the coagulation bath. All the prepared membranes were characterized in terms of hydraulic permeability (

)

membrane resistance

average pore radius

and hydrophilicity. The top surface and crosssectional view of the prepared membranes were also observed by using field emission scanning electron microscopy. Membrane fouling and rejection experimentations were done using a stirred batch-cell filtration set-up. The experimental studies of fouling/rinsing cycles

rejection

and permeate fluxes were used to investigate the eff

ect of PEG and PVP additives and effect of the two solvents on the fabricated membranes using bovine serum albumin (BSA) as a model protein.

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