Table 3.

Kinetic model parameters for thermal inactivation of E. coli

Process (source of data) and temp (oC)Reaction zoneFrequency factor (1/s)Activation energy (kJ/g mol)D1 (s)D2 (s)D2/D1Note
Wet heat depyrogenation (this work)
    200Fast6.55 × 1012118.34.07Data from reference 25
    2102.18Data
    2300.676Data
    2500.229Data
    2700.0842Extrapolated
    200Slow2.37 × 1010104.231.57.76Extrapolated
    21018.28.35Extrapolated
    2306.499.60Extrapolated
    2502.4710.9Data
    2701.0312.3Data
Dry heat depyrogenation (reference 35)
    170Fast88.020.5Data
    19012.4Data
    2103.7Data
    2300.99Data
    2500.53Data
    170Slow82.21708.29Data
    19058.54.72Data
    21029.47.95Data
    23010.110.2Data
    2505.610.6Data