The properties of methane clathrate in the presence of ammonium sulphate solutions with relevance to Titan

Authors: Emmal Safi (Newcastle University) , Stephen P. Thompson (Diamond Light Source) , Aneurin Evans (Keele University) , Sarah J. Day (Diamond Light Source) , Claire A. Murray (Diamond Light Source) , Annabelle R. Baker (Diamond Light Source) , Joana M. Oliveira (Keele University) , Jaco Th. Van Loon (Keele University)
Co-authored by industrial partner: No

Type: Conference Paper
Conference: EPSC-DPS Joint Meeting 2019
Peer Reviewed: No

State: Published (Approved)
Published: September 2019

Abstract: The source of atmospheric methane on Saturn’s satellite Titan is currently unknown. However, one possibility is that it originates from clathrate hydrates formed below the surface. Titan’s sub-surface ocean is believed to be composed of saline, rather than pure, water and in situ experimental data on clathrate formation under these conditions are largely absent in literature. Here, synchrotron X-ray powder diffraction (SXRPD) is used to study the properties of methane clathrate hydrates formed in the presence of ammonium sulphate solutions under low temperature conditions with a pressure of 26 bar.

Subject Areas: Chemistry, Earth Science

Instruments: I11-High Resolution Powder Diffraction