Ballast Water Treatment Effluent Dispersion Studies

by Peter A. Mangarella, Woodward-Clyde, Oakland, United States,
Joseph M. Colonell, Woodward-Clyde, Oakland, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract: Treated tanker ballast water is discharged form Alyeska Pipeline Service Company's ballast water treatment facility through a multiport diffuser into Port Valdez, Alaska. The discharge is required in the NPDES permit to comply with water quality regulations for aromatic hydrocarbons. This paper presents the methods, results, and insights on effluent plume behavior obtained from two dye dispersion studies conducted to help evaluate compliance with the water quality regulations.

Subject Headings: Water treatment | Water quality | Railroad ballast | Effluents | Water discharge | Water treatment plants | Laboratory tests | Water pipelines | Water tanks | North America | Alaska | United States

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