相关实验视频
Updated: Jun 24, 2025

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Methane Hydrate Crystallization on Sessile Water Droplets
Published on: May 26, 2021
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在水性甲醇溶液中研究甲水合物的核化和生长动力学的数据集
Anton P Semenov1, Timur B Tulegenov1, Rais I Mendgaziev1
1Gubkin University, Department of Physical and Colloid Chemistry, 65 Leninsky prospekt, Building 1, Moscow 119991, Russia.
Data in brief
|June 7, 2024
概括
添加甲醇显著影响甲水合物形成. 更高的甲醇度延迟了水合物核形成,改变了生长动力学,这对于理解气体水合物系统至关重要.
科学领域:
- 气体水合物的热力学和物理化学.
- 流体相位行为和动力学.
背景情况:
- 甲水合物是一种类似冰的结构,可以捕获天然气.
- 甲醇是天然气加工中常见的添加剂,可能会影响水合物形成.
研究的目的:
- 系统地研究甲醇度对甲酸盐核化和生长动力学的影响.
- 量化水合物发生条件的变化和不同甲醇含量核化概率的变化.
主要方法:
- 使用蓝宝石摇电池进行道冷却实验 (1K/h).
- 对CH4-H2O和CH4-MeOH-H2O系统的水合物开始温度和压力的测量.
- 分析气体吸收曲线以确定生长动力学.
主要成果:
- 甲醇显著影响甲酸盐核和生长动力学,其度从0到50%大小.
- 使用马分布参数进行了初始次冷却和核化概率的特征.
- 气体吸收曲线在不同度的甲醇中显示出不同的生长模式.
结论:
- 甲醇的存在改变了甲水合物形成的热力学和动力学场景.
- 这些发现为预测和管理工业过程中涉及甲醇-水混合物的水合物形成提供了关键数据.
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