Why not use methanol for hydrate control

Abstract

Methanol, instead of solid bed dehydration, is suggested to avoid hydrate formation in turboexpander plants. Hydrates (crystals resembling wet snow) plug pipeworks and valves. Methanol used as an antifreeze to depress the freezing point of the water is studied. Alcohol to depress the formation temperature of hydrate in a gas is also studied. Confusion between the two methods is clarified. Comparison between methanol injection and solid bed dehydration is made; methanol has lower costs.