Journal
MATERIALS LETTERS
Volume 157, Issue -, Pages 112-115Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2015.05.080
Keywords
Carbon nanotubes; Polymeric composites; Calcium alginate; Nano-filtration membranes; Anti-fouling; Dye rejection
Funding
- National Natural Science Foundation of China [51103102]
- Key Technologies R&D Program of Tianjin [13ZDSF00100]
- Program for Scholars and Innovative Research Team in University of Ministry of Education of China [IRT13084]
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Carboxyl multi-walled carbon nanotubes/calcium alginate (CMWCNT/CA) composite hydrogel nano-filtration membrane was prepared using polyethylene glycol 400 as the pore-forming agent. The membrane was characterized by SEM, TEM and FT-IR. And the strength, anti-fouling property and dye rejection were investigated. Results showed that the CMWCNT/CA membrane had a high tensile strength up to 1.83 MPa. The flux of bovine serum albumin (BSA) solution was 96.87% of the pure water flux (PWF), indicating that the membrane exhibited good anti-fouling property. Even after the saturated adsorption, the rejection for Congo red still reached 98.62%. (C) 2015 Elsevier B.V. All rights reserved.
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