木质素浸渍菠萝蜜皮生物炭吸附亚甲基蓝特性研究
Adsorption Properties of Methylene Blue on Lignin Impregnated Biochar Derived from Jackfruit Peel
DOI: 10.12677/OJNS.2023.112019, PDF,    科研立项经费支持
作者: 戴欢涛, 游新秀, 徐浩亮, 韦赵龙, 曹澄澄*：徐州工程学院环境工程学院，江苏 徐州
关键词: 生物炭；亚甲基蓝；吸附；木质素；浸渍；Biochar； Methylene Blue； Adsorption； Lignin； Impregnation
摘要: 为提高生物炭吸附亚甲基蓝(MB)性能，本文以木质素为前驱体，采用浸渍法调变了生物炭孔隙结构，并研究了其吸附亚甲基蓝特性。结果表明，浸渍比是影响生物炭孔隙结构的重要因素。木质素浸渍后生物炭比表面积可提高30倍。浸渍生物炭对MB表现出良好的吸附能力，吸附量为108.69~143.95 mg/g，高于浸渍前生物炭(75.90 mg/g)。线性相关分析表明生物炭的灰分对MB吸附起着关键作用。综上所述，木质素浸渍生物炭是一种具有潜力的亚甲基蓝吸附剂。
Abstract: In order to improve the adsorption performance of biochar to methylene blue (MB), the pore structure of biochar was modified by lignin via impregnation method and the adsorption properties of impregnated biochar to methylene blue were studied. The results showed that impregnation ratio was an important factor affecting the pore structure of biochar. The specific surface area of biochar could be increased by 30 times via lignin impregnation. The adsorption capacity of the impregnated biochar was 108.69~143.95 mg/g, which was higher than that of precursor biochar (75.90 mg/g). Linear correlation analysis showed that the ash of biochar played a crucial role in MB adsorption. In conclusion, lignin impregnated biochar is a potential methylene blue adsorbent.
文章引用：戴欢涛, 游新秀, 徐浩亮, 韦赵龙, 曹澄澄. 木质素浸渍菠萝蜜皮生物炭吸附亚甲基蓝特性研究[J]. 自然科学, 2023, 11(2): 170-175. https://doi.org/10.12677/OJNS.2023.112019

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