Section 7: Calculations

Calculate the dry gas volume on a dry basis referenced to 25°C and 101.3 kPa using Equation 1.

Equation 1
Dry Gas Volume Equation

Calculate the concentrations of gaseous HCl on a dry basis referenced to 25°C and 101.3 kPa by using Equation 2 (mg/m3, w/v) or Equation 3 (ppm, v/v).

Equation 2
Concentration of gaseous HCl Equation
Equation 3
concentration of gaseous HCl Equation

The HCl concentration may be corrected to 50% excess air or 12% CO2 or 11% O2 using Equations 4, 5 and 6 respectively.

Equation 4
Average stack gas volumetric flow rate Equation
Average stack gas volumetric flow rate Equation
Equation 5
Average stack gas volumetric flow rate Equation
Equation 6
Average stack gas volumetric flow rate Equation

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