引用本文:
Xue Gang Chen, Shuang Shuang Lv, Ying Ye, Ji Peng Cheng, Su Hang Yin. Preparation and characterization of rice husk/ferrite composites[J]. Chinese Chemical Letters,
2010, 21(1): 122-126.
doi:
10.1016/j.cclet.2009.08.003
Citation: Xue Gang Chen, Shuang Shuang Lv, Ying Ye, Ji Peng Cheng, Su Hang Yin. Preparation and characterization of rice husk/ferrite composites[J]. Chinese Chemical Letters, 2010, 21(1): 122-126. doi: 10.1016/j.cclet.2009.08.003
Citation: Xue Gang Chen, Shuang Shuang Lv, Ying Ye, Ji Peng Cheng, Su Hang Yin. Preparation and characterization of rice husk/ferrite composites[J]. Chinese Chemical Letters, 2010, 21(1): 122-126. doi: 10.1016/j.cclet.2009.08.003
Preparation and characterization of rice husk/ferrite composites
摘要:
A novel ferrite composite using rice husk as substrate has been prepared via high temperature treatment under nitrogen atmosphere. The rice husk substrate consists of porous activated carbon and silica, where spinel ferrite particles with average diameter of 59 nm are distributed. The surface area of the composite is greater than 170 m2 g-1 and the bulk density is less than 0.6 g cm-3. Inert atmosphere is indispensable for the synthesis of pure ferrite composites, while different preparation temperatures of above 600℃ result in composites with similar structures and morphologies. Due to the presence of ferrite particles, this novel composite shows enhanced adsorption ability for acid orange Ⅱ.
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关键词:
- Spinel ferrite
- / Rice husk
- / Composite materials
- / Catalysts
- / Adsorbent
English
Preparation and characterization of rice husk/ferrite composites
Abstract:
A novel ferrite composite using rice husk as substrate has been prepared via high temperature treatment under nitrogen atmosphere. The rice husk substrate consists of porous activated carbon and silica, where spinel ferrite particles with average diameter of 59 nm are distributed. The surface area of the composite is greater than 170 m2 g-1 and the bulk density is less than 0.6 g cm-3. Inert atmosphere is indispensable for the synthesis of pure ferrite composites, while different preparation temperatures of above 600℃ result in composites with similar structures and morphologies. Due to the presence of ferrite particles, this novel composite shows enhanced adsorption ability for acid orange Ⅱ.
-
Key words:
- Spinel ferrite
- / Rice husk
- / Composite materials
- / Catalysts
- / Adsorbent
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