Ten Years Gone: An Operational Update of Annacis Island, the World's Largest Trickling Filter Solids Contact Treatment Facility

Authors: Kelly, R.; Melcer, H.; Krugel, S.; Hystad, B.

Source: Proceedings of the Water Environment Federation, Biofilms 2010 , pp. 495-509(15)

Publisher: Water Environment Federation

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Abstract:

The largest trickling filter solids contact (TF/SC) facility ever constructed is the 1,088 mega-liter per day Annacis Island Wastewater Treatment Plant (AIWWTP) in Vancouver, BC. This paper provides an operational update to the AIWWTP, which began full operation in 1998. The performance of the trickling filters has been excellent, with average soluble BOD removal in excess of 70 percent across the biofilm process, even at periods of very high loadings. TheTF/SC process at the AIWWTP has provided stable operation throughout periods of increasing flows and loads, and beyond its design capacity, demonstrating the robust nature of TF/SC and its continued applicability as a wastewater treatment technology.

Keywords: Biofilm; Operational History; Solids Contact; Trickling Filter

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864710798208692

Publication date: January 1, 2010

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