Fluoride in Water: Testing and Treatment Options Quick answer: how is fluoride removed from water? Fluoride treatment should be selected from a laboratory fluoride result, the complete water chemistry and…
Free Chlorine vs Total Chlorine: What Is the Difference? Quick answer: what is the difference between free and total chlorine? Free chlorine is the chlorine available mainly as hypochlorous acid…
UV Dose and UV Transmittance in Water Disinfection: What They Mean Quick answer: what is UV dose? UV dose is the amount of germicidal ultraviolet energy delivered to water as…
Pressure Sand Filter Sizing Calculation: Service Flow, Bed Area and Backwash Quick answer: how is a pressure sand filter sized? A pressure sand or multimedia filter is sized from required…
4040 vs 8040 RO Membranes: Pressure Vessel Loading and Element Count Quick answer: how many RO membranes fit in a pressure vessel? The answer depends on the pressure-vessel model and…
RO Stage Array Design: How Membranes Are Arranged in Industrial RO Plants Quick answer: what is an RO stage array? An RO array describes how membrane pressure vessels are divided…
RO Flux Calculation: How to Calculate Membrane Permeate Flux Quick answer: what is the RO flux formula? RO permeate flux = permeate flow ÷ active membrane area. Flux expresses how…
Antiscalant vs Water Softener for RO Pretreatment: What Is the Difference? Quick answer: is antiscalant the same as a water softener? No. A water softener removes hardness ions by ion…
Water Softener Sizing Calculation: Hardness Load, Resin Volume and Flow Quick answer: how is a water softener sized? A water softener should be sized from hardness load, required service flow,…
Conductivity vs TDS in Water: What Is the Difference? Quick answer: are conductivity and TDS the same? No. Conductivity measures how well water conducts electrical current, while TDS represents the…
