Reference method for measuring emissions of vinyl chloride from manufacturing: part III C-3


Part III - Calculations: Method C-3

Calculation of Reactor Opening Losses from Polyvinyl Chloride Plants

C-3.1 Scope

The calculation to compute the emissions of vinyl chloride resulting from reactor opening losses is described.

C-3.2 Calculation of Reactor Opening Loss

The emission rate of vinyl chloride resulting from a reactor opening shall be calculated using equation C-3-1.

(C-3-1)
Calculation of Reactor Opening Loss Equation
where
  • ERvc/pvc = mass emission rate of vinyl chloride per production of polyvinyl chloride, kg VC per 100 kg PVC
  • Cb = concentration of vinyl chloride in sample, ppm
  • Vr = reactor volume, m3
  • W = total weight of polyvinyl chloride resin produced since last opening, 100 kg
  • 2.56 × 10-6 = conversion factor, ppm vinyl chloride to kg/m3 at 25°C and 1 atm

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