Repairing and protecting a 1950s era wastewater digester tank


By Leigh Besanger and Daryl Prefontaine

Wastewater treatment plant maintenance and upgrading programs can sometimes unearth issues that may not be apparent during regular operation. Such an occurrence happened at a WWTP consisting of eight digesters constructed at various times between 1955 and 2010.

Read the full article in ES&E Magazine’s June 2021 issue:


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