Title
Removal of dye by carboxymethyl cellulose, acrylamide and graphene oxide via a free radical polymerization process
Date Issued
15 May 2017
Access level
metadata only access
Resource Type
journal article
Author(s)
Centro de Investigación de Polímeros Avanzados
Publisher(s)
Elsevier B.V.
Abstract
Carboxymethyl cellulose has been used for the design of novel engineered hydrogels in order to obtain effective three-dimensional structures for industrial applications. In this work, dye removal carboxymethyl cellulose-acrylamide-graphene oxide (CMC-AM-GO) hydrogels were prepared by a free-radical polymerization method. The GO was developed by the modified Hummers method. The CMC-AM-GO and GO were characterized by FTIR, XRD and SEM. The swelling and swelling kinetics were calculated using gravimetric process. The kinetic parameter, swelling exponent values [n = 0.59–0.7507] explained the fact that the CMC-AM-GO hydrogles have super Case II diffusion transport mechanism. CMCx-AM-GO (x = 1–4) and CMC-AM hydrogels were used for removal of Acid Blue-133. The result explains that composite hydrogels significantly removed the acid blue when compared to the neat hydrogel. The maximum AB absorption (185.45 mg/g) capacity was found in the case of CMC2-AM-GO hydrogel. Therefore, cellulose-based GO hydrogels can be termed as smart systems for the abstraction of dye in water purification applications.
Start page
186
End page
194
Volume
164
Language
English
OCDE Knowledge area
Ciencia de los polímeros
Subjects
Scopus EID
2-s2.0-85011634609
PubMed ID
Source
Carbohydrate Polymers
ISSN of the container
0144-8617
Sources of information:
Directorio de Producción Científica
Scopus