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Amine Treating Applications
Process Purpose
Gas conditioning, reasons for removing CO2 and H2S: CO2 (when combined with water) creates carbonic acid which is corrosive. CO2 also reduces the BTU value of gas and in concentrations of more that 2% or 3 % the gas is unusable. H2S is an extremely toxic gas that is also tremendously corrosive to equipment. Amine sweetening processes remove these contaminants so that the gas is usable for heaters/burners, marketable, and/or suitable for transportation.
- Foaming in contactor (solids, HC entrainment)
- Overuse of anti-foam
- High corrosion rates
- Inadequate inlet separation
- Unstable operations, poor temperature control
- Routine/high amine losses, HSS generation
- High energy consumption
- Carbon bed fouling
- Inadequate filtration
- Lack of adequate analysis data
- Sour Inlet Gas - L/G Coalescer remove liquid hydrocarbons upstream of contactor
- Sweet Outlet Gas - L/G Coalescer to prevent amine carryover from contactor
- Rich Amine – Full flow filtration to remove solid contaminants from amine loop
- Rich Amine - L/L Coalescer to remove liquid hydrocarbon from amine loop in order to protect heat exchanger and regenerator system.
- Lean Amine – Slip stream filter to protect carbon bed.
- Lean Amine – Activated carbon bed filtration on slip stream.
- Lean Amine – Slip stream filter to remove any carryover carbon bed fines, downstream of carbon bed.
