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过冷度对气体水合物合成影响的实验研究
Authors
李刚
李小森
Publication date
1 January 2010
Publisher
Abstract
过冷度是甲烷水合物合成过程的主要驱动力,在沉积物中进行不同过冷度下甲烷水合物合成实验,有利于找出水合物合成过程的动力学影响因素,进而研究自然界沉积物中水合物的成藏过程。在定容条件下,以不同的过冷度进行甲烷水合物在沉积物中的合成实验。实验结果表明甲烷水合物在沉积物条件下的合成过程包括气液溶解、核化、生长、稳定4个阶段。在相同初始状态,不同过冷度条件下的水合物合成后系统状态均处在相平衡曲线上,而随着过冷度的减小,气体转换率和水合物的饱和度不断降低。通过实验数据回归得出在沉积物条件下过冷度与甲烷水合物诱导时间的经验关系式。通过对比发现,沉积物中水合物合成所需要的过冷度仅为2.5℃,大大低于不含沉积物的纯水体系
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Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
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oai:ir.giec.ac.cn:344007/21056
Last time updated on 05/12/2019
Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.giec.ac.cn:344007/30759
Last time updated on 04/12/2021
Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.giec.ac.cn:344007/21058
Last time updated on 05/12/2019