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Potential of amino-functionalized cellulose as an alternative sorbent intended to remove anionic dyes from aqueous solutions.
Silva, Lucinaldo S; Ferreira, Francisco J L; Silva, Mateus S; Citó, Antônia M G L; Meneguin, Andréia B; Sábio, Rafael M; Barud, Hernane S; Bezerra, Roosevelt D S; Osajima, Josy A; Silva Filho, Edson C.
Afiliação
  • Silva LS; Federal Institute of Education, Açailândia Campus, IFMA, 65930-000, Maranhão, MA, Brazil.
  • Ferreira FJL; Interdisciplinary Laboratory for Advanced Materials-LIMAV, UFPI, 64049-550 Teresina, PI, Brazil.
  • Silva MS; Interdisciplinary Laboratory for Advanced Materials-LIMAV, UFPI, 64049-550 Teresina, PI, Brazil.
  • Citó AMGL; Department of Chemistry, Federal University of Piauí, 64049-550 Teresina, PI, Brazil.
  • Meneguin AB; Interdisciplinary Laboratory for Advanced Materials-LIMAV, UFPI, 64049-550 Teresina, PI, Brazil; Laboratory of Polymers and Biomaterials-BioPolMat, UNIARA, 14801-340 Araraquara, SP, Brazil.
  • Sábio RM; Laboratory of Polymers and Biomaterials-BioPolMat, UNIARA, 14801-340 Araraquara, SP, Brazil.
  • Barud HS; Laboratory of Polymers and Biomaterials-BioPolMat, UNIARA, 14801-340 Araraquara, SP, Brazil.
  • Bezerra RDS; Federal Institute of Piauí, Teresina-Central Campus, IFPI, 64000-040 Teresina, PI, Brazil.
  • Osajima JA; Interdisciplinary Laboratory for Advanced Materials-LIMAV, UFPI, 64049-550 Teresina, PI, Brazil.
  • Silva Filho EC; Interdisciplinary Laboratory for Advanced Materials-LIMAV, UFPI, 64049-550 Teresina, PI, Brazil. Electronic address: edsonfilho@ufpi.edu.br.
Int J Biol Macromol ; 116: 1282-1295, 2018 Sep.
Article em En | MEDLINE | ID: mdl-29751041
Adsorption has been explored to minimize the pollution caused by dyes. This work relates the preparation of diethylenetriamine-modified cellulose (DetaCel) by reacting phthalic anhydride-modified cellulose (PhCel) with diethylenetriamine (Deta). Materials were characterized by Elemental Analysis and results showed a degree of incorporation of 5.55 ±â€¯0.02 mmol of nitrogen per gram of modified material. The main bands observed for DetaCel by Fourier-Transform Infrared Spectroscospy (FTIR) were attributed to CN deformation (1330 cm-1) and NH stretching of amide (3400 cm-1), while Solid State Nuclear Magnetic Resonance of 13C (13C{1H}CP-MAS NMR) showed a signal at 164.6 ppm characteristic of amide group. Crystallinity index (CrI) obtained by X-Ray Diffraction (XRD) was 74.99 (Cel), 58.64 (PhCel) and 46.12% (DetaCel). Adsorbent matrices were employed to remove methyl orange (MO) and eosin (EY) dyes in aqueous medium. Data obtained experimentally from kinetic study had a better fit to the pseudo-first order, thus the adsorption process occurs in monolayer, with MO adsorption capacity by Cel and DetaCel of 2.19 and 65.45 mg g-1, respectively. For EY adsorption by Cel and DetaCel was 1.30 and 56.69 mg g-1, respectively. These results suggest that DetaCel can be used as an alternative potential for removal dyes in aqueous solution.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Compostos Azo / Celulose / Amarelo de Eosina-(YS) / Purificação da Água Idioma: En Revista: Int J Biol Macromol Ano de publicação: 2018 Tipo de documento: Article País de afiliação: Brasil País de publicação: Holanda
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Compostos Azo / Celulose / Amarelo de Eosina-(YS) / Purificação da Água Idioma: En Revista: Int J Biol Macromol Ano de publicação: 2018 Tipo de documento: Article País de afiliação: Brasil País de publicação: Holanda