快速热解产品的分发,用于哈米化及其轻残留物
Wen-Long Mo1,2, Pei Liu2, Yan-Xiong Wang2
1College of Chemical and Textile Engineering, Xinjiang University of Science & Technology Korla 841000 Xinjiang China.
RSC advances
|September 10, 2025
概括
超声波提取和Naomaohu煤 (NL) 的密度分离改变了它的组成,增加了挥发性物质和含氧组. 热解揭示了改性木炭 (NL-L) 中减少的酸碳化合物和增加的含氧化合物.
科学领域:
- 煤炭科学 煤炭科学
- 有机地化学 有机地化学
- 材料科学 材料科学 材料科学
背景情况:
- 来自新疆哈米的Naomaohu煤 (NL) 是一个有价值的资源.
- 了解预处理对煤性质的影响对于其利用至关重要.
研究的目的:
- 为了研究超声波提取和密度分离对Naomaohu煤的组成和结构的影响.
- 为了分析改性红的热解产品分布.
主要方法:
- 使用CS2和乙混合溶剂进行超声波提取.
- 使用CCl4.4进行密度分离.
- 使用近距离,终极,红外和热重力测量分析 (TG-DTG) 进行表征.
- 使用Py-GC/MS.进行热解产品分析.
主要成果:
- 溶剂提取和密度分离减少了光残留中的水分和增加了挥发性物质 (NL-L).
- 与NL相比,NL-L的含氧和芳香功能群的相对含量较高.
- 热溶解显示,NL-L比NL.L含有较低的酸碳化合物 (11.64%的减少) 和含有较高氧气的化合物 (17.52%的增加).
结论:
- 超声波提取和密度分离对煤的宏分子结构的影响最小.
- 这些预处理方法改变了化学成分,有利于氧含化合物在热解产品.
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