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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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水热法改性褐煤及含氧官能团与水相互作用的研究
, PP. 284-289
Keywords: 含氧官能团,褐煤,水热法
Abstract:
？利用水热法对蒙东褐煤进行了改性。通过微量热仪测定和分析了煤炭表面骨架大分子和各种官能团与水结合能的大小。结果表明，水热法改性后，褐煤中的羧基和羰基随温度升高显著降低，而羟基的变化比较复杂。计算得到了低阶煤中含氧官能团和煤炭表面骨架大分子亲水能力由大到小的顺序是羧基>酚羟基>羰基>煤炭表面骨架大分子。
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