Project Profile… BDP Industries,
Inc. Greenwich, NY
City of Auburn, NY
Wastewater Treatment Plant
Sludge Dewatering Improvements
Facility Contacts:
Chief
Operator: Mark Storrs
(315)253-6511
City
Engineer: Frank Deorio
Facility
Engineer: Stearns & Wheler, LLC
Project Summary:
An
existing vacuum filter produced a wet cake and used a large amount of slurried
lime.
With
the cost to operate the City’s sludge incinerator being largely dependent on
the inlet cake dryness and chemical content, alternative dewatering
technologies were evaluated. In 1987 a BDP Industries Model EM belt dewatering
press was installed. A drier cake and decreased chemical usage dramatically
improved the efficiency of the incinerator.
Because
of this success, a second BDP machine was added for redundancy and increased
throughput. A gravity belt thickener (GBT) was installed to dewater the waste
activated sludge and trickling filter humus, prior to blending with the raw
primary for final dewatering.
Mark
Storrs is quite knowledgeable about dewatering equipment, and being a mechanic
by
trade,
he fully understands the quality manufacturing that is incorporated in his BDP
machinery. Mark’s staff is responsible for operating and maintaining the sludge
dewatering equipment.
Plant Data:
¨
Design Sludge Feed
Rates: GBT:420 gpm (0.5% solids) BDP:150 gpm (4% solids)
¨
Sludge
Characteristics: Blend of Raw Primary, Waste Activated, and Trickling Filter
Humus
Belt
Dewatering Press Equipment Components