Fast and Efficient Removal of Cationic Dyes From Aqueous Solution by Collagen-Based Hydrogel Nanocomposites

• Published in: Polymer-plastics technology and engineering Vol. 52; no. 3; pp. 310 - 318
• Main Authors: Marandi, G. Bagheri, Kermani, Z. Peyvand, Kurdtabar, M.
• Format: Journal Article
• Language: English
• Published: Philadelphia, PA Taylor & Francis Group 01.02.2013; Taylor & Francis; Taylor & Francis Ltd
• Subjects: Adsorbents; Adsorption; Adsorption isotherms; Adsorption kinetics; Applied sciences; Aqueous solutions; Cationic dyes; Collagen; Composites; Dye removal; Dyes; Exact sciences and technology; Forms of application and semi-finished materials; Hydrogel nanocomposites; Hydrogels; Mathematical models; Nanocomposites; Polymer industry, paints, wood; Technology of polymers; Clay; Graft copolymer; Montmorillonite; Liquid solid adsorption; Adsorption isotherm; Adsorption capacity; Triarylmethane dye; Experimental study; Grafting; Composite material; Dye removal; Collagen; Acrylamide copolymer; Concentration effect; Hydrogel nanocomposites; Animal protein; Maleic anhydride copolymer; Nanocomposite; Adsorption isotherms; Adsorption kinetics; Hydrogel; Aqueous solution; Adsorbent
• ISSN: 0360-2559; 1525-6111
• DOI: 10.1080/03602559.2012.748806

A series of collagen-based hydrogel nanocomposites were prepared and applied as dye adsorbents. The certain variables affecting the dye adsorption such as initial concentration of dye solution, pH value, contact time and montmorilonite content were investigated to achieve maximum removal of Methylene Green (MG) and Crystal Violet (CV) from aqueous solutions. The experimental data showed that more than 90% of the maximum adsorption capacities of the optimized sample for MG and CV were achieved within the initial 10 min. Three isotherm models were carried out to describe adsorption capacity of the adsorbents.