煤炭的吸附偏好地点和机制具有不同程度的变形
Jiwei Yue1,2,3, Yang Li1,2, Biming Shi1,2
1Joint National-Local Engineering Research Centre for Safe and Precise Coal Mining, Anhui University of Science & Technology, Huainan 232001, China.
Langmuir : the ACS journal of surfaces and colloids
|July 31, 2025
概括
烯的功能组在煤炭上表现出最强的甲吸附. 煤炭等级影响吸附,高等级的煤炭,如炭石,由于电子云分布和键,表现出更强的相互作用.
科学领域:
- 地质化学 地质化学
- 材料科学 材料科学 材料科学
- 计算化学计算化学
背景情况:
- 煤层注入改性水需要了解煤的吸附特性.
- 煤炭的变形程度显著影响其与修饰物的相互作用.
研究的目的:
- 为了确定不同度的变形煤炭上特定的吸附点.
- 引导针对煤层注入的定向修饰剂的开发.
主要方法:
- 辐射分布函数分析.
- 密度函数理论 (DFT) 静电电位分析.
- 希尔什菲尔德表面可视化和分区分析.
主要成果:
- 烯的功能组表现出最高的甲吸附能力.
- 煤表面的静电电位差异与变形程度有负相关性.
- 炭石表现出比煤更强的范德瓦尔斯力和结合协同作用.
结论:
- 吸附优势的结构基础在于电子云的分布和氧位点的键.
- 了解这些相互作用为设计有效的煤炭注射修饰器提供了理论指导.
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