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Glossary of Dewatering Terms

Additive Material added to sludge to condition or enhance separation.
Backdrive Breaking motor attached to the centrifuge gear box.
BDT Bone dry tons (2000lbs)
BDte Bone dry tonnes (2200lbs)
BOD Biological Oxygen Demand
Cake Solid phase of separation.
Centrate Liquid phase of separation.
Conditioning Tank Sludge receiving tank.
Cutterhead Horizontal rotating assembly mounted in front of dredge pump.
Dewatering The removal of liquids from a solid/liquid slurry.
Global Process Modular, mobile, mechanical dewatering employing high speed, high 'g', decanting centrifuges.
gmp Gallons per minute
lmp Litres per minute
MCC Motor Control Center
PLC Programmable Logic Controller
Polymer/Flocculant Chemical used to enhance liquid/solid separation.
Positive Displacement Output consistent with speed.
Scroll Conveyor inside centrifuge bowl
Shoreline Anchor line for traverse cable.
Sludge Mixture of solids and fluids.
TEFC Totally Enclosed Fan Cooled
Transverse Cable rigged between two points on pond to allow controlled movement of dredge.
TS(%)W/W Total solids percentage weight to weight.
%TSS Percentage total suspended solids.
Turfer Cable tightening device.
VFD Variable Frequency Drive assemblies
Vibrating Screen Assembly Screening device used for removal of large debris prior to dewatering process.