Bentonite polymer composite for water purification
Bulletin of Materials Science(2019)
Abstract
polyethylene glycol (PEG)–bentonite (BT) composite was prepared by direct polymerization of PEG in suspensions of BT. Based on detailed analyses using field-effect scanning electron microscopy, X-ray diffraction, surface area measurements and chemical methods, the obtained product was mainly composed of Ca-BT with a specific surface area of 4.13 m^2 g^-1 . The optimal conditions for adsorption of Pb^2+ and Cd^2+ ions were found to be a PEG content of 0.1
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Key words
Bentonite clay, polyethylene glycol, lead, cadmium, sorption, composite materials
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