H-factor

{{See also|h-index}}

H-factor is a kinetic model for the rate of delignification in kraft pulping. It is a single variable model combining temperature (T) and time (t) and assuming that the delignification is one single reaction.

{{cite book

|last1=Gullichsen |first1=Johan

|last2=Fogelholm |first2= Carl-Johan

|year= 2000

|title=Chemical Pulping

|series=Papermaking Science and Technology

|volume=6A |pages=291–292

|publisher=Fapet Oy

|location=Finland

|isbn=952-5216-06-3

}}

: $H\; =\; \backslash int\_0^t\; \backslash exp\backslash left(43.2-16115/T\backslash right)\backslash ,dt\backslash ,$