Water & Environmental

Water Treatment (WTP) Calculators & Design Tools

Chemical dosing, rapid mix G-factor, CT contact log credits & RO membrane flux.

AWWA / EPA Water Treatment Standards / Standard Methods 2330 / Ten State Standards

Chemical Dosing Calculator Suite (5-in-1)

Universal Dosing, RO Antiscalant/SMBS, Jar Test Scale-up, Bleach Disinfection & Tank Batch Dilution

Launch Calculator → Standard Methods for Examination of Water and Wastewater / AWWA / ACS Reagent Standards

Solution Preparation Calculator (Molarity, Normality & Mass)

Solid solute mass, liquid reagent dilution, molarity, normality, w/v% and analytical standard preparation

Launch Calculator → AWWA Water Treatment Plant Design / EPA 815-R-03-004

Coagulant & Chemical Dosing Rate

Mass feed rate (lbs/day or kg/day) and chemical metering pump calibration (GPH or L/h)

Launch Calculator → AWWA Water Quality & Treatment / Ten State Standards

Rapid Mix & Flocculation Velocity Gradient (G-Factor)

Mixing power intensity G (s⁻¹), retention time, and GT parameter

Launch Calculator → EPA Surface Water Treatment Rule (SWTR) Guidance Manual

Chlorine Contact Time (CT) & Disinfection Log Credit

EPA SWTR disinfection CT value, T10 baffle factor, and pathogen log reduction

Launch Calculator → ISPOR / Dupont FilmTec RO Design Manual / AWWA M46

RO Process & CIP Hydraulic Sizer

Combined CIP cleaning flow, pipeline hydraulics, and tank volumetric design

Launch Calculator → DuPont FilmTec RO Design Manual / AWWA M46 / ASTM D4194

RO Membrane Sizing, Operating Pressure & Energy Calculator

Operating pressure, permeate quality (TDS/conductivity), power consumption (kW/HP), SEC & staging hydraulics

Launch Calculator → Perry's Chemical Engineers' Handbook / AWWA Manual M46 / EPRI ZLD Systems Design Guide

Zero Liquid Discharge (ZLD) MVR, MEE & Crystallizer Sizing

Thermal evaporation mass/water balance, MVR power & MEE steam demand, Forced Circulation crystallizer & salt cake output

Launch Calculator → DuPont FilmTec Design Manual / AWWA M46 / ASTM D4194

RO Stage Configuration, Operating Pressure & Recovery Calculator

Operating pressure (S1 & S2), permeate quality, power consumption (kW/HP), SEC & concentrate staging hydraulics

Launch Calculator → USP <645> Water Conductivity / ASTM D4194 / EP & JP Pharmacopoeia / Semi S26

RO Pass (Double Pass), Operating Pressure & Permeate Polishing Calculator

Operating pressure (P1 & P2), permeate quality (conductivity/resistivity), power consumption (kW/HP), SEC & brine recycle

Launch Calculator →