Fig. 7: Methane gas recovery at different temperature conditions.
From: Rapid conversion of amino acid modified-ice to methane hydrate for sustainable energy storage

a Methane recovery profiles from methane hydrate at sub-zero (272.2 K) and above-zero temperatures (275.0 K and 278.1 K). b Methane recovery profiles from methane hydrate during the first hour at three different temperatures. Methane hydrate was synthesized using tryptophan AM-Ice with a tryptophan concentration of 3000 ppm under 272.7 K and 6 MPa.