Kazi and Chornet diffusion model of

impregnation 151–158

– calculated parameters 156–157

– comparison with experimental data of

Populus tremuloides heartwood 153–154

– concentration profile 153

– influence of wood chip dimensions 158

– pressure influence equation 151

Keggin-type metal clusters, alternative

Bleaching methods 887

Keller, Friedrich Gottlob 5, 1073

Kenaf fibers, cell dimensions and chemical

Composition 4

Kinetic model

– degradation rates for xylan, glucomannan

And HexA 253

– Gustavson and Al-Dajani 252

– hardwood prehydrolysis 329–343

Kinetics

– carbohydrate degradation 215–216

– cellulose chain scissions 217

– chain scissions 685–687

– kraft pulping 185–229

– oxygen delignification 671–687

Knot screens, secondary (screening and

cleaning equipment) 604–605

Knots, selective removal 593

Kozeny see Carman–Kozeny relationship

“kraft”, word origin 5

Kraft chemical recovery 980

– future 992–994

Kraft cooking 733

– active chemicals 114–116, 221, 988

– aliphatic hydroxyl groups elimination 261

– Bjerrum diagram 118

– carboxylic groups enrichment 261

– chemicals 221

– delignification phases 184

– diffusion mass transfer 123, 137–150

– experiments 225

Index

– extractives fractions 182–183

– fiber bundle 60

– lignin mass balance of Eucalyptus globulus

– liquors 113–121

– modified see modified kraft cooking

– PHK see PHK process

– pine see pine

– prehydrolysis see PHK process

– pretreatment 129–130

– process chemistry 229–325

– Purdue model 198–199