Gas Processing Handbook Exclusive Jun 2026
[Raw Gas] ──> [Purification] ──> [Cryogenic Turbo-Expander] │ ┌─────────────────────┴─────────────────────┐ ▼ ▼ [Sales Gas] [Mixed NGL Stream] (Mainly Methane) │ ▼ [Fractionation Train] │ ┌─────────────────────┼─────────────────────┐ ▼ ▼ ▼ (Ethane) (Propane) (Butane+) Cryogenic NGL Recovery
[Wellhead Gas] ➔ [Inlet Separation] ➔ [Gas Treating (Acid Gas)] ➔ [Dehydration] ➔ [NGL Recovery] ➔ [Sales Gas Pipeline] 2. Acid Gas Removal Units (AGRU) Acid gases like hydrogen sulfide ( H2Scap H sub 2 cap S ) and carbon dioxide ( CO2cap C cap O sub 2
) cause severe corrosion in pipelines and freeze at cryogenic temperatures. Removing them is the first critical treating step. Chemical Amine Solvents gas processing handbook exclusive
Cryogenic processing plants require water levels under 0.1 ppmv to prevent freezing in cold boxes. Molecular sieves provide this deep dehydration.
Using the flowcharts, the engineer identified "hydrocarbon liquid carryover from the inlet separator" not by level alarms (which read normal), but by calculating the vapor-liquid equilibrium (VLE) shift during a 10°F ambient night drop. The handbook’s exclusive "Delta T across demister pad" table showed the pads were flooded despite low level. The handbook’s exclusive "Delta T across demister pad"
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Electrification and carbon capture are changing the physical design of new gas processing plants. Chemical vs. Physical Solvents
Selecting the appropriate solvent matrix depends directly on the partial pressure of the acid gases in the feed stream. Solvent Type Primary Mechanism Ideal Operating Conditions MEA, DEA, MDEA, Piperazine Chemical Reaction
The 14th edition of this handbook is now hosted in the exclusive . Access to this digital version is a key benefit reserved for employees of GPSA and GPA Midstream member companies. Non-members can purchase an individual subscription, typically for an annual fee, but the full, integrated experience—including specialized training and calculation spreadsheets—remains a distinct advantage of membership.
Acid gas removal is critical to meet pipeline specifications and prevent downstream equipment corrosion or freezing in cryogenic sections. Chemical vs. Physical Solvents