PROCESS FOR DEHYDRATING NATURAL GAS WITH GLYCOL, INCLUDING COMBUSTION GASES CLEANING

摘要

process for dehydration of natural gas and refinery gas containerwater andbtex using liquid desiccant regeneration including (glycol)stepsto:(a) the absorption of water and contact with btex gas desiccantregeneration in liquidthe step (c), producing an effluent gas and liquid desiccant to drythe btex and water.(b) separation of the liquid desiccant for a steam containing apart of btex anda liquid phase mainly containing the desiccant for moisture andbtex.(c) regeneration of liquid desiccant in a distillation zone, whereis a vapourcontaining btex and water and liquid desiccant is regeneratedback to the stage(a) absorption(d) condensing the vapour from the distillation zone and theseparation of three phasesa gas stream containing a liquid hydrocarbon phase btexcontaininga liquid phase btex and water; and(e) washing the waste gas by the absorption of a fraction of btexliquid desiccantregenerated taken from a point in the process and to said desiccantmuch of the arearegeneration of step (c).