Synthesis and characterization of lignite-like fuels obtained by hydrothermal carbonization of cellulose

Duedder Hendrik; Wuetscher Annika; Stoll Raphael; Muhler Martin

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Synthesis and characterization of lignite-like fuels obtained by hydrothermal carbonization of cellulose

机译：纤维素水热碳化制得褐煤样燃料的合成与表征

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Hydrothermal carbonization of cellulose was used to synthesize a mineral-free lignite-like solid fuel. By varying the reaction time the elemental composition was tuned to fit the composition of real lignite. Minerals were removed from real lignite by HCl and HNO3 leaching leading to altered oxidation temperatures. After 24 h of hydrothermal treatment a synthetic lignite was obtained exhibiting two peaks in the differential mass loss curve during oxidative thermogravimetric analysis. This oxidation profile was similar to the oxidation profile determined for chemically leached lignite. Attenuated total reflectance infrared and nuclear magnetic resonance spectroscopy revealed comparable chemical structures for both synthetic and real lignite. (C) 2016 Elsevier Ltd. All rights reserved.

机译：纤维素的水热碳化被用于合成无矿物的褐煤状固体燃料。通过改变反应时间，可以调整元素组成以适合实际褐煤的组成。通过HCl和HNO3浸出将矿物从真正的褐煤中去除，从而导致氧化温度发生变化。经过水热处理24小时后，获得的合成褐煤在氧化热重分析过程中的微分质量损失曲线中显示了两个峰。该氧化曲线类似于化学浸出褐煤所确定的氧化曲线。衰减的全反射红外光谱和核磁共振光谱表明，合成褐煤和实际褐煤具有可比的化学结构。（C）2016 Elsevier Ltd.保留所有权利。

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来源
《Fuel》 |2016年第may1期|54-58|共5页
作者
Duedder Hendrik; Wuetscher Annika; Stoll Raphael; Muhler Martin;
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作者单位

Ruhr Univ Bochum, Lab Ind Chem, D-44801 Bochum, Germany;

Ruhr Univ Bochum, Lab Ind Chem, D-44801 Bochum, Germany;

Ruhr Univ Bochum, Lab Biomol NMR, D-44801 Bochum, Germany;

Ruhr Univ Bochum, Lab Ind Chem, D-44801 Bochum, Germany;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Synthetic lignite; Hydrothermal carbonization; TGA; Solid-state NMR; ATR-IR spectroscopy;

机译：合成褐煤;热碳化;TGA;固相NMR;ATR-IR光谱;

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Synthesis and characterization of lignite-like fuels obtained by hydrothermal carbonization of cellulose

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