PREPARATION AND CHARACTERIZATION OF REGENERATED CELLULOSE MEMBRANES USING CELLULOSE EXTRACTED FROM AGROINDUSTRIAL RESIDUES FOR APPLICATION IN SEPARATION PROCESSES

被引：1

作者：

de Souza, Edmar Eustaquio ^{[1
]}

Vale, Rayane da Silva ^{[1
]}

Vieira, Julia Graciele ^{[1
]}

Ribeiro, Sabrina Dias ^{[1
]}

Rodrigues Filho, Guimes ^{[1
]}

Marques, Fabiana Aparecida ^{[2
]}

Nascimento de Assuncao, Rosana Maria ^{[3
]}

Meireles, Carla da Silva ^{[4
]}

Barud, Hernane da Silva ^{[5
,6
]}

机构：

[1] Univ Fed Uberlandia, Inst Quim, BR-38400902 Uberlandia, MG, Brazil

[2] Inst Fed Educ Ciencia & Tecnol Goiano, BR-76300000 Ceres, Go, Brazil

[3] Univ Fed Uberlandia, Fac Ciencias Integradas Pontal, BR-38302000 Ituiutaba, MG, Brazil

[4] Univ Fed Espirito Santo, Dept Ciencias Nat, BR-29932540 Sao Mateus, ES, Brazil

[5] Univ Estadual Paulista, Inst Quim, BR-14800900 Araraquara, SP, Brazil

[6] Ctr Univ Araraquara, BR-14801320 Araraquara, SP, Brazil

来源：

QUIMICA NOVA | 2015年 / 38卷 / 02期

关键词：

regenerated cellulose; agroindustrial residues; separation process; membranes; HEMICELLULOSE; ACETATE;

D O I：

10.5935/0100-4042.20140299

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The aim of this study was to produce membranes using the adapted cuprammonium method. The cellulose utilized was obtained from recycled agroindustrial residues: sugarcane bagasse, corn stover and soybean hulls. The levels of Cu (II) ions in regenerated cellulose membranes produced with cellulose from bagasse, corn stover and soybean hulls were 0.0236 wt%, 0.0255 wt% and 0.0268 wt%, respectively. These levels were approximately 15 times lower than those observed in previous studies (0.3634 wt%). Cellular viability data show that membranes produced from bagasse cellulose do not present toxicity to the cellular cultures studied. These results demonstrate an evolution in production of regenerated cellulose membranes from agroindustrial residues mainly due to a decrease in the Cu (II) ions level, showing the possibility of application of these systems with improved membranes processing.

引用

页码：202 / 208

页数：7

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