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锰磁活性炭的制备及其性能表征

Keywords: 磁性活性炭,电解锰渣,废次烟渣,吸附性能,磁学性能

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Abstract:

以酶解提制烟碱后的烟渣和电解锰渣回收锰为原料,制备具备磁性和发达孔隙的活性炭。利用氮气吸附技术、红外光谱(FTIR)表征与分析了活性炭表面的孔隙结构和物化性质,考察了活性炭对亚甲基蓝的吸附性能和磁学性能。结果表明:以Mn/C基质废弃物为原料制得活性炭具有磁学性能;适量锰的添加有利于活性炭微孔的形成和发育;采用一步焙烧法有助于磁化物和活性炭基体相互作用形成化学键合,提高饱和磁化强度,实现废弃资源的充分利用。

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