Equilibrium conditions for the hydrogen sulfide hydrate formation in the presence of electrolytes and methanol

✍ Scribed by Kal N. Mahadev; P. Raj Bishnoi

• Publisher: John Wiley and Sons
• Year: 1999
• Tongue: English
• Weight: 494 KB
• Volume: 77
• Category: Article
• ISSN: 0008-4034
• DOI: 10.1002/cjce.5450770413

✦ Synopsis

Abstract

Natural gas industry encounters systems that consist of gases like CO~2~ and H~2~S, and aqueous solutions of methanol and mixed electrolytes. A knowledge of the phase behavior of such systems, including hydrate formation, is essential in gas production and the design of facilities for gas transportation and processing. Recently, Dholabhai et al. (1997, 1996) and Bishnoi and Dholabhai (1998) described equilibrium conditions for CO~2~ and gas mixtures containing CO~2~ in the presence of methanol, electrolytes and ethylene glycol. In the present work aqueous three phase (aqueous liquid solution, vapor and incipient hydrate) equilibrium conditions of H~2~S hydrate formation in aqueous solutions of electrolytes and methanol are measured in the temperature range of 272 to 294 K and pressure range of 0.3 to 1.0 MPa. A ‘full view’ sapphire variable volume cell with a movable piston is used to obtain the experimental data.