Engineering and Technology

Active ice: a novel formation medium for rapid and scalable gas hydrate production

G. Chen, P. Li, et al.

Discover an innovative active ice approach for gas hydrate formation that accelerates rates and addresses traditional method's scaling challenges. This promising technique, developed by Guang-Jin Chen and colleagues, combines ice melt and hydrate formation to enhance industrial gas storage and separation.

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Abstract

This paper introduces an active ice approach for gas hydrate formation, demonstrating significantly faster formation rates and overcoming challenges associated with scaling up traditional methods. Active ice, produced by decomposing primary gas hydrates below the ice point, provides a porous medium with an unfrozen surfactant solution layer. This facilitates a virtuous cycle of ice melt-hydrate formation-ice melt, leading to rapid hydrate formation. The method exhibits advantages such as good repeatability, recyclability, compressibility, simple storage, and low heat generation, making it a promising alternative for industrial gas storage and separation.

Publisher

Nature Communications

Published On

Jan 30, 2023

Authors

Guang-Jin Chen, Pengfei Li, Chang-Yu Sun, Pengfei Xiao, Jian-Jun Li, Wen-Xin Peng, Xiao-Hong Wang, Chao Dong, Bei Liu, Yu-Lin Peng, Yu Xiao, Yan-Jun Zhang, Wei Cao

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