Resources / Process development / Vroom (1957), The H factor
paper | added 2026-10-11 | kinetics, severity
One number for the combined effect of time and temperature in kraft pulping; the archetype of a useful lumped severity parameter.
Vroom, K. E. (1957). The H factor: A means of expressing cooking times and temperatures as a single variable. Pulp and Paper Magazine of Canada, 58(3), 228 to 231.