A greener approach to gas transport: EES article in Chemistry World

Gas storage, both long and short term, is an expensive and energy intensive process, which has left the use of isolated natural gas reserves and gas sequestration plans unfeasible. However, an international collaboration of scientists has developed a way of storing gas in ‘bioclathrates’ formed from fruit and vegetables.

Clathrate hydrates are a form of clathrate compound in which a guest molecule is trapped inside a crystalline cage of ordered, hydrogen bonded water molecules and can form around a large number of low molecular weight gases, such as methane and CO­2. Unfortunately, the formation of clathrate hydrates is very slow and requires high pressures to introduce the gas into the water, and low temperatures to form the ice-like structures. This leaves it no more energy efficient than standard methods of gas storage, such as liquefaction and compression into porous sorbents.

Vegetables and fungi were used to accelerate the kinetics of clathrate storage

Interested to know more? Read the full article in Chemistry World here…

Read the article from EES:

Gas storage in renewable bioclathrates
Weixing Wang ,  Chao Ma ,  Pinzhen Lin ,  Luyi Sun and Andrew I. Cooper
Energy Environ. Sci., 2013, Advance Article
DOI: 10.1039/C2EE23565J

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