Pumps for gas drying
Published: 25 May, 2017
Most producers use glycols, to remove water vapour from the gas stream. This prevents the formation of hydrates that cause freezing and blocking of pipelines and valves, reduces system corrosion and produces gas that meets pipeline quality standards. Pressures in excess of 150 bar may be necessary in order to inject these treatment chemicals into the gas stream in the absorber tower. WANNER says its Hydra-Cell pumps are being used increasingly for this application thanks to their seal-less design, controllability, long term, low maintenance durability and ability to meet the pressure and flow rate requirements.
Wanner says having no seals, cups or packings, Hydra-Cell pumps are by design leak-free and able to handle any solid hydrates formed within the pipe work without suffering damaging wear and users enjoy reduced operational and maintenance costs as well as zero emissions
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