Hydrates in systems containing methane, ethylene, propylene, and water

Abstract

Abstract The initial hydrate forming conditions for the systems ethylene‐water and methane‐ethylene‐water were investigated to about 9,000 lb./sq.in.abs. It was found that at a given pressure the initial hydrate forming temperature for mixtures containing greater than about 65 mole % ethylene was higher than the initial formation temperature for either methane or ethylene. Solid‐vapor equilibrium ratios were calculated for the ethylene hydrate. A comparison between experimental and predicted hydrate forming conditions for the system methane‐ethylene‐propylene‐water was made for several different mixtures of these gases. This comparison showed that the predicted hydrate forming temperature was slightly higher than the experimental at a given pressure.