期刊
BIORESOURCE TECHNOLOGY
卷 101, 期 21, 页码 8402-8405出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2010.05.067
关键词
Lignin/silica; Rice husk; Sol-gel; Mesoporous
资金
- National Eleventh Five-Year Research Program of China [2008BAE66800]
- Scientific and Technological Planning Project of Jilin Province [20075009]
A novel mesoporous lignin/silica hybrid prepared from rice husks at different pH values was produced in situ using the sol-gel process. The optimum conditions for hybrid formation were 90 degrees C and pH 3 for 6 h in the presence of 2 mol L-1 H2SO4. The lignin/silica ratio reached 2:3 (41.67% lignin, 58.33% silica). The hybrid with various pore structures was spherical with diameters of approximately 60 nm and a specific surface of 471.7 m(2)/g. Such lignin/silica hybrid material originating from rice husks can potentially be used to decontaminate environmental objects. (C) 2010 Elsevier Ltd. All rights reserved.
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