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Process Recovery at the Humber Treatment Plant: “… by the People, for the People…” (Lincoln, 1863)

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The Humber Treatment Plant (HTP) was experiencing severe settling problems. An opportunity to improve the performance of the HTP was seized by the plant's Senior Engineer by developing and implementing a program of repair, continuous assessment, analysis, and tuning to ensure optimal operation of the aging infrastructure. Through the strategic utilization of existing inhouse expertise and resources, a new benchmark of excellence, serving the community through improved and consistent effluent quality with accompanying odour reductions, was established. This achievement was accomplished paradoxically using less energy and chemicals, thus, significantly reducing the Humber's environmental footprint. The direct delivery of these services by City staff, while further enhancing in-house knowledge, skill, and stewardship, eliminated the delays associated with project delivery using external contractors and made it possible to reap the immediate rewards. The monetary benefits to the City are savings in operating costs of 550,000 per year and capital savings of 6,000,000.

Keywords: Process optimization; energy savings; phosphorus removal; settleability

Document Type: Research Article


Publication date: 2010-01-01

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