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首页> 外文期刊>Journal of industrial and engineering chemistry >Effect of multi-walled carbon nanotubes on methane hydrate formation
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Effect of multi-walled carbon nanotubes on methane hydrate formation

机译：多壁碳纳米管对甲烷水合物形成的影响

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摘要

1 m~3 of methane hydrate can be decomposed into a maximum of 216 m~3 of methane gas under standard conditions. If these characteristics of hydrates are utilized in the opposite sense, natural gas can be fixed into water in the form of a hydrate solid. Therefore, the use of hydrates is considered to be a great way to transport and store natural gas in large quantities. However, when methane hydrate is formed artificially, the amount of gas that is consumed is relatively low, due to the slow reaction rate between water and methane gas. Therefore, for practical purposes in the application, the present investigation focuses on increasing the rate of formation of the hydrate and the amount of gas consumed by adding multi-walled carbon nanotubes (MWCNTs) to pure water. The results show that when 0.004 wt% of multi-walled carbon nanotubes was added to pure water, the amount of gas consumed was about 300% higher than that in pure water and the hydrate formation time decreased at a low subcooling temperature.
机译：在标准条件下，1 m〜3的甲烷水合物最多可分解为216 m〜3的甲烷气。如果以相反的方式利用水合物的这些特性，则天然气可以以水合物固体的形式固定在水中。因此，水合物的使用被认为是大量运输和储存天然气的好方法。但是，当人为形成甲烷水合物时，由于水与甲烷气体之间的反应速度较慢，因此消耗的气体量相对较少。因此，出于实用目的，本研究集中在通过向纯水中添加多壁碳纳米管（MWCNT）来增加水合物的形成速率和消耗的气体量。结果表明，当将0.004wt％的多壁碳纳米管添加到纯水中时，气体消耗量比纯水中高约300％，并且在低的过冷温度下水合物形成时间减少。

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