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Modeling of gas hydrate particle decomposition for methane recovery under fluidized conditions

机译：流化条件下甲烷回收水水合物颗粒分解的建模

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In this work,a fluidized bed was used for the first time for the process of methane recovery from natural gas hydrate.The decomposition of a spherical gas hydrate particle coupling with heat and mass transfer under fluidized conditions was quantitatively modeled.The results demonstrate that the decomposition is faster at a higher water flow velocity.The decomposition takes less time for the hydrate particle with a smaller initial size.Furthermore,the decomposition rates are improved by the convective heat and mass transfer between water and hydrate particle under fluidized conditions.Curve fitting and regression between methane recovery yield,water temperature,water flow velocity and initial particle size is also conducted,which renders quantitative insights in understanding the fundamental mechanism of gas hydrate decomposition under fluidized conditions.
机译：在这项工作中，流化床首次用于从天然气水合物中甲烷回收的方法使用。在流化条件下与热量和质量传递的球形气体水合物粒子偶联的分解是数量的。结果表明了 在更高的水流速度下分解更快。分解为具有较小初始尺寸的水合物颗粒的时间较少。在流化条件下的水和水合物颗粒之间的对流热量和质量传递，改善了分解率。 还进行了甲烷回收率，水温，水流速度和初始粒度之间的回归，这使得了解在流化条件下理解天然气水合物分解的基本机制的定量见解。

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