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| DOI | 10.1016/J.CARBPOL.2017.01.094 | ||||
| Año | 2017 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
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 hydro gel. 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. (C) 2017 Elsevier Ltd. All rights reserved.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Varaprasad, Kokkarachedu | - |
Centro de Investigacion de Polimeros Avanzados - Chile
CIPA - Chile |
| 2 | Jayaramudu, Tippabattini | - |
Inha Univ - Corea del Sur
Tshwane Univ Technol - República de Sudáfrica Inha University, Incheon - Corea del Sur Tshwane University of Technology - República de Sudáfrica Inha University - Corea del Sur |
| 3 | Sadiku, Rotimi | Hombre |
Tshwane Univ Technol - República de Sudáfrica
Tshwane University of Technology - República de Sudáfrica |
| Fuente |
|---|
| CONICYT Regional |
| Centro de Investigacion de Polimeros Avanzados (CIPA) |
| FONDECYT de Iniciacion Proyecto |