One way to realize natural gas storage via hydrate technology is to form the hydrate at a condition close to room temperature. Although there are a few methods for natural gas storage and transportation, they are either subject to the loss of natural gas during transportation like using liquified natural gas or storage efficiency like compressed natural gas. Using hydrate technology to store natural gas in the solid form or solidified natural gas is believed to change the way natural gas stored and transported. Still, the condition to form natural gas or methane hydrates is somewhat slow and energy required to cool down the operation close to zero degree Celsius. There have been attempts in overcoming the above challenges through the use of promoters like tetrahydrofuran (THF), where the hydrate formation rate drastically increases. Recent findings on using hollow silica (HS) not only further enhance the formation rate but also shift the hydrate formation condition close to room temperature. This work reported how the presence of HS contributes to the such remarkable increase in the formation rate and temperature required to form the hydrates. Real time morphology during the hydrate formation obtained from this study helps shedding light on the role of HS in the formation.

Understanding the roles of hollow silica in methane hydrate formation close to room temperature

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.