Revalorization of Rice Husk Waste as a Source of Cellulose and Silica

被引：22
|
作者：
Marin, Diana C. [1 ]
Vecchio, Antonela [1 ]
Luduena, Leandro N. [2 ]
Fasce, Diana [3 ]
Alvarez, Vera A. [2 ]
Stefani, Pablo M. [1 ]
机构：
[1] Natl Univ Mar del Plata, Natl Res Council, Natl Res Inst Mat Sci & Technol, Ecomat Grp, RA-7600 Mar Del Plata, Buenos Aires, Argentina
[2] Natl Univ Mar del Plata, Natl Res Council, Natl Res Inst Mat Sci & Technol, Composite Mat Grp CoMP, RA-7600 Mar Del Plata, Buenos Aires, Argentina
[3] Natl Univ Mar del Plata, Natl Res Council, Natl Res Inst Mat Sci & Technol, RA-7600 Mar Del Plata, Buenos Aires, Argentina
来源：
FIBERS AND POLYMERS | 2015年 / 16卷 / 02期
关键词：
Rice husk; Chemical treatment; Cellulose; Thermal properties; Morphology; Silica; THERMOGRAVIMETRIC ANALYSIS; THERMAL-DEGRADATION; FIBERS; EXTRACTION; NANOCOMPOSITES; NANOCELLULOSE; NANOWHISKERS; NANOSILICA; SISAL; ASH;
D O I：
10.1007/s12221-015-0285-5
中图分类号：
TB3 [工程材料学]; TS1 [纺织工业、染整工业];
学科分类号：
0805 ; 080502 ; 0821 ;
摘要：
Cellulose and silica were obtained from rice husk by a multi-step procedure. Three different strategies including different alkaline and bleaching steps were evaluated by Fourier transform infrared spectroscopy (FTIR) in order to choose the sequence that combines the better conditions to obtain both subproducts simultaneously. The effects of the different steps on the structure and morphology of original material treated by the selected procedure were analyzed by X-ray diffraction (XRD), thermogravimetric analysis (TGA), and scanning electron microscopy (SEM). The results suggest that it is possible to obtain both by-products with a simple procedure, giving an added value to this waste.
引用
收藏
页码：285 / 293
页数：9
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