Journal
CELLULOSE
Volume 25, Issue 1, Pages 417-427Publisher
SPRINGER
DOI: 10.1007/s10570-017-1541-1
Keywords
Electrospun alginate nanofibres; Maize cellulose nanowhiskers; Oil/water retention; Chromium; Water purification
Funding
- Department of Science and Technology-National Research Foundation (DST-NRF) of South Africa
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The aim of this study was to develop a filtration membrane based on two-layered nanoscale alginate nanofibres reinforced with maize cellulose nanowhiskers (diameter between 3 and 12 nm). Reinforcing of the membrane with cellulose nanowhiskers improved the mechanical properties of the membrane. The membrane was capable of completely removing water contaminants (10-100 nm nanoparticles) by size exclusion and oil/water retention higher than 99%. The rejection of chromium was found to increase with an increase in the feed solution pH. The rejection percentage for chromium (Cr(VI)) at a pH of 11 was found to be 80%, which shows that the membrane can be applied for short-term waste-water treatment and/or domestic water purification.
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