Scientific: Environmental Calculators
Calculate reverse osmosis efficiency, water treatment metrics, pollutant dilution, and environmental flow rates.
Ro Efficiency
Calculate permeate recovery percentages and mineral salt rejection efficiency for water purification membranes.
Sodium Adsorption Ratio Sar
Assess soil sodicity hazards by calculating sodium relative to calcium and magnesium cations in agricultural water.
Wastewater Fm Ratio
Calculate biological aeration loading ratios of daily influent BOD mass to mixed liquor volatile suspended solids.