TECHNOLOGY Biotreating produced water could save costs, benefit environment

The Department of Energy's (DOE) Naval Petroleum Reserve No. 3 (NPR-3) expects both cost savings and environmental benefits from a new produced water biotreatment facility, 40 miles north of Casper, Wyo. The new facility officially opened on Jan. 16. Eventually, all NPR-3 produced water, now about 45,000 bw/d, will be treated in this two-phase project. The first phase removes produced water contaminants, primarily minute particles of oil and sulfides, that remain after gathering, separating, and treating the water. According to NPR-3, the industry has proven that biotreating can successfully remove produced water contaminants. The second phase of the biotreatment project, planned f...

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