Preparation and evaluation of heavy metal rejection properties of polyetherimide/porous activated bentonite clay nanocomposite membrane
Author:
Affiliation:
1. Membrane Technology Laboratory
2. Chemistry Department
3. National Institute of Technology Karnataka
4. Mangalore 575 025, India
5. Advanced Membrane Technology Research Center (AMTEC)
6. Universiti Teknologi Malaysia
7. 81310 Skudai, Malaysia
Abstract
The acid activated bentonite clay with 1.0 to 4.0 wt% was incorporated into PEI membranes and was extensively studied for its morphology, hydrophilicity and other properties. The modified membrane exhibited an increment in porosity, hydrophilicity and a reduction in hydraulic resistance. The membranes showed rejection of 69.3%, 76.2% and 82.5% for 250 ppm of Cd(ii), Ni(ii) and Cu(ii) ion solutions, respectively.
Publisher
Royal Society of Chemistry (RSC)
Subject
General Chemical Engineering,General Chemistry
Link
http://pubs.rsc.org/en/content/articlepdf/2014/RA/C4RA09018G
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