| | | 'I he Application Dosiccanl dehydration is (lie primary form of natural gas "drying1! Wet gas enters and passes through the desiccant, where the water is adsorbed and retained and the gas exits. Two or more towers, filled wilh a solid drsk'C'am such as silica gel or molecular sieve, can usually be found in the .system so thai as the desiccant in one tower becomes saturated with water, it can be shut down and the desiccant re genera led while another | | Ihe Problem Contaminant* that tannnt he removed by desicram. such as com pressor lube oils (entering the system through i'-g<T.i :jiu>;i;. liquid hviirocjrbuns. iwiusmn related solids and amines • Decreased water holding capacity of desiccant due to pore plugging • Release of trace desiccant • Corrosion of downstream | | |
| | | The Applicai ion Glycol dehydration is an adsorption process :n which givi ol :i liipiul solvent, is used to remove water vapour Irnin naturai g;is. Glycol is brought into coniaci with [be weLgas stream in a contactor tower, and then dry natural gas is transported nut of die lower and imo a carlini; bed lo remove hydrocarbons from die gas before further processing. The Problem Solid and liquid
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