Compact Membrane Deaeration for Oil, Gas Industry
Water Standard partnered with Membrana as an original equipment manufacturer for Liqui-Cel membrane contactors and successfully piloted the technology in continuous seawater trials resulting in a proprietary system that, relative to vacuum towers, requires 50 percent less space and weight while providing more efficient oxygen removal, the company says.
Lisa Henthorne, Water Standard’s chief technology officer says: “The MDA pilot unit produced approximately 5,000 barrels per day of deaerated seawater and operated without chemical oxygen scavenging, scaling or fouling of the membranes for an extended period. The pilot evaluated operating and design parameters such as seawater flow rate, level of pre-filtration, and nitrogen sweep rate.
“Throughout pilot testing, the MDA unit consistently achieved less than 10 parts per billion (ppb) of dissolved oxygen in the treated water without chemical addition. This compares very favorably to vacuum towers, which normally achieve 50-100 ppb and require additional oxygen scavenging chemicals.”
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