The same digester, before and after

Canandaigua WWTP, Canandaigua, New York — Two mobilizations to a Finger Lakes plant, and the clearest before-and-after pair in our record.

Vessels

Anaerobic digesters

Duration

28 days, then 23

Started

March 2023 and June 2024

Client type

Municipal authority

The situation

Anaerobic digesters at a municipal plant in the Finger Lakes. The first photograph in the gallery is the vessel part-drawn: grit and rag banked across the floor, material wrapped on the mixing lances, walls carrying years of scale. That accumulation is working volume the plant built and paid for and was no longer getting any digestion from.

What we did

Full drawdown into our mixing tanks, then the belt press set up inside the plant’s own dewatering building rather than on an outdoor pad — the second gallery frame shows it running. Once the vessel was empty and the atmosphere tested clear, crews entered and cleaned the floor, walls and mixing assemblies by hand.

The outcome

The third frame is the same vessel from the same position after the clean: bare concrete floor, clear lances, walls washed down. The first visit ran 28 days in March 2023. The plant called us back in June 2024 and the second cleanout took 23.

Service

This job ran under Digester cleaning. Working a vessel like this one? Send us dimensions and rough volume and we will tell you what the job takes.

Before

Part-drawn. Grit banked across the floor and material wrapped on the mixing lances.

Other projects.

Friedens, Pennsylvania

The Crawler on an agricultural manure lagoon

Wayne Martin’s Farm, Friedens, Pennsylvania — The same surface-operated equipment that works municipal lagoons, on

Fort Wayne, Indiana

Digesters cleaned across a full winter, 500 miles out

Fort Wayne Water Pollution Control Plant, Fort Wayne, Indiana — Nearly six months in Indiana,

Strattanville, Pennsylvania

Two lagoons dewatered, and a baffle installed

Strattanville Borough Municipal Authority, Strattanville, Pennsylvania — Dewatering of two lagoons for a borough authority,

Got a vessel like one of these?

Dimensions, rough volume, and how long since the last cleanout. That’s enough for scope, a window and a price.