Methane storage in dry water gas hydrates

J Am Chem Soc. 2008 Sep 3;130(35):11608-9. doi: 10.1021/ja8048173. Epub 2008 Aug 7.

Abstract

Dry water stores 175 v(STP)/v methane at 2.7 MPa and 273.2 K in a hydrate form which is close to the Department of Energy volumetric target for methane storage. Dry water is a silica-stabilized free-flowing powder (95% wt water), and fast methane uptakes were observed (90% saturation uptake in 160 min with no mixing) as a result of the relatively large surface-to-volume ratio of this material.