Water & Environmental

Effluent Treatment (ETP) Calculators & Design Tools

ASP aeration, sludge dewatering press & MBBR/MBR bio-reactors.

Metcalf & Eddy Wastewater Engineering / WEF Manual of Practice No. 8

Activated Sludge Process (ASP) & Aeration Sizer

ETP Bio-Reactor sizing, Oxygen demand calculations, and Air Blower horsepower requirements

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WEF Manual of Practice No. 8 / Process Equipment Design Manual

Sludge Dewatering & Press Sizing Calculator

Dry solids mass, dewatered cake output, polymer dosing, and recessed plate filter press sizing

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ATV-DVWK-A 131 / WEF Manual of Practice No. 8

MBBR / MBR Bio-Reactor Hydraulics Calculator

Media surface area loading rate (SALR), filling ratio, bulk carrier volume, and process aeration airflow

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Metcalf & Eddy Wastewater Engineering (5th Ed.) / CPHEEO Manual on Sewerage & Sewage Treatment

ETP Screening & Equalization Tank Sizing Calculator

Peak flow hydraulics, Kirschmer bar screen headloss, equalization storage volume, SWD basin dimensions & air mixing blower capacity

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Metcalf & Eddy Wastewater Engineering (5th Ed.) / CPHEEO Manual on Water Supply and Treatment

Physicochemical Treatment (Coagulation, Flocculation & Clarifier)

Chemical dosing rates (Alum/Polymer), rapid flash mix & flocculation tank sizing, velocity gradient G-values, mixer power (kW) & primary clarifier hydraulics

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EPA Sludge Treatment & Disposal Manual / WEF MOP 8 / Alfa Laval Spiral Handbook

Anaerobic Digester Sludge Heat Exchanger Sizer

Non-Newtonian Rheology, Spiral vs Tube-in-Tube, Mesophilic 35°C & Thermophilic 55°C

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