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Ifpexol
Ifpexol™ is a patented technology of simultaneous dehydration and hydrocarbon dew point control. Methanol is regenerated from the cold decanted water by stripping.
Process Principle
Methanol is used as hydrate inhibitor in a cold process for NGL extraction. The mixture of methanol and water recovered at the low temperature separator is regenerated by simple stripping with a fraction of the feed gas and pure water is produced.
Process Scheme
Performances
- Over 99.9 % stripping effectiveness with raw gases at pressures as high as 100 bar.
- Water dew point as low as -80°C.
- Adequate mass transfer contact between methanol-water liquid stream and stripping vapor stream.
- No hydrate formation or icing concerns (Methanol is recirculated as a hydrate inhibitor and antifreeze agent)
Key benefits
- Minimized CAPEX if cold process is available
- MeOH recovery from NGL’s by water wash (optional)
- 16 industrial references with capacities up to 350 MMSCFD
- No venting
- No need for external heat
- No dangerous waste streams
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IFPEXOL
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