Gas to Liquids Applications
Converting gaseous feed stocks to functional liquids
As global oil consumption continues to increase, gas-to-liquids (GTL) facilities are required to efficiently produce liquid fuels and chemicals. Air Liquide Advanced Separations’ (ALaS) industry leading high selectivity syngas membranes offer a seamless and cost effective bridge between steam methane reforming (SMR) and Fischer-Tropsch technologies. Through the use of a high-selectivity polyaramide hollow fiber membrane, the syngas ratio gap is closed by selectively removing hydrogen while retaining over 99% of the carbon monoxide produced.
Hydrogen (H2) is selectively separated from carbon monoxide (CO) by permeation through a polymeric hollow fiber membrane. The driving force is the partial pressure difference across the membrane for H2 and CO. H2 is the “fast” gas, whereas CO and carbon dioxide (CO2) are the “slow” gases. The pressurized feed gas enters the bundle from the shell side; the syngas stays under pressure while the H2 is collected at a lower pressure from the fiber bore.
Shell Feed Separator
1,300 PSI (90bar) transmembrane pressure limitation
- No moving parts
- Skid mounted systems cartridge design for simple installation
- Estimated payback period of less than a year
- High permeability membranes for compact, low capital system design
- Automated & unrestrained turndown system for ease of operation and safety
- Linear scale up for all size systems
- Hollow fiber membranes offer higher area volume efficiency resulting in better packing efficiency, smaller footprint and reduced weight module count
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