Reverse Osmosis Membrane Design Calculator
Water Filtration Treatment and Purification

Solving for influent feed concentration.

# Reverse Osmosis Membrane Design Calculator

## Water Filtration Treatment and Purification

### Solving for concentration.

Note:

R = universal gas constant = 0.082 atm-liter/gmol-kelvin

#### Inputs:

 effluent permeate concentration (Cout) kilogram/meter^3gram/centimeter^3gram/meter^3gram/milliliterkilogram/deciliterkilogram/litermilligram/literounce/foot^3ounce/inch^3pound/foot^3pound/bushel UKpound/bushel USpound/gallon UKpound/gallon USpound/inch^3pound/yard^3ton metric/meter^3slug/foot^3slug/inch^3
 contaminant rejection (R) percent

#### Conversions:

 effluent permeate concentration (Cout)= 0 = 0milligram/liter
 contaminant rejection (R)= 0 = 0percent

#### Solution:

 influent feed concentration (Cin)= HAS NOT BEEN CALCULATED

#### Other Units:

Change Equation
Select to solve for a different unknown
van't Hoff equation
osmotic pressure
 osmotic pressure osmotic pressure coefficient number of ions per molecule concentration temperature

membrane contaminant rejection
 contaminant rejection influent feed concentration effluent permeate concentration

Reference - Books:

1) P. Aarne Vesilind, J. Jeffrey Peirce and Ruth F. Weiner. 1994. Environmental Engineering. Butterworth Heinemann. 3rd ed.

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By Jimmy Raymond

Contact: aj@ajdesigner.com