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Due to lack of information at low temperature, the development of new and more economical processes for natural gas processing in the presence of physical solvents requires additional knowledge of thermodynamic properties such as density, viscosity, solubility and distribution coefficients in phase equilibrium. In the new integrated process developed by IFP, the objective is to achieve simultaneously dehydration, sweetening and extraction of natural gas liquids by contacting the gas with a physical solvent at low temperature. Recommended solvents should have the following characteristic properties: inhibition of hydrate formation, high solubility for acid gases and immiscibility with hydrocarbons. The performances of some heavy solvents such as dimethylformamide (DMF), N-methylpyrrolidone (NMP) and N-formylmorpholine (NFM) by comparison with other light solvents are investigated.

Additional information

Authors: KNAPP H, Technische Universität Berlin (TUB) (DE);LARUE J, Institut Français du Pétrole (IFP), Rueil Malmaison (FR);PUCCI A, Institut Français du Pétrole (IFP), Rueil Malmaison (FR)
Bibliographic Reference: Paper presented: Symposium International ISG, Anvers (BE), Sept 1989
Availability: Available from (1) as Paper EN 34657 ORA
Record Number: 198910515 / Last updated on: 1994-12-01
Original language: en
Available languages: en
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