Lean glycol concentration must be properly adjusted
to achieve low gas dew points for lower glycol circulation
rates, even when absorber operating temperatures are high.
Significant capital and operating cost savings can be
realized by reducing glycol circulation rates while still
maintaining the required dew point.
A two-train grass roots natural gas liquids (NGL)
separation and stabilization plant was built in the Persian
Gulf area. During the engineering, procurement and
construction (EPC) phase, engineers changed design parameters
to achieve lean glycol concentrations more efficiently.
Operational adjustments became
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