DEVELOPMENT OF CLATHRATE HYDRATE TECHNOLOGY FOR SAFE AND LONG TERM STORAGE OF GAS

Abstract

Clathrate hydrates enabling the innovative solidified storage of gas molecules at moderate temperature and pressure conditions carve a niche for safe, long-term, stationary hydrogen and methane storage in meeting the energy demand around the world. A comprehensive review on the development of hydrate based gas storage technology was presented in Chapter 1. Next, the phase boundary (PB) method was extended to bulk hydrate systems with its robustness and high efficiency demonstrated. 1,3-dioxolane (DIOX) was tested as a dual-function (thermodynamic and kinetic) promoter for H2-contained (sII) hydrate formation in chapter 3. In chapter 4, mixed CH4/1,3-dioxolane hydrate formation was studied at elevated temperature conditions and in simulated seawater conditions. A systematic investigation was conducted in chapter 5 on mixed CH4/1,3-Dioxane (Dioxane) hydrates. The new findings and critical results obtained in this thesis are of immense significance for the development of hydrate based technology for gas storage.