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

Kraft cooking kinetics

– alkali and hydrogen sulfide consumption

220–221

– concentration of cooking chemicals

217–220

– delignification kinetics 211–215

– numerical solution of cooking chemical

concentration equations 228–229

– parameters 221–227

– structure 211–229

– validation and application 223–227

Kraft cooking kinetics models

– carbohydrate degradation 193–198

– delignification 189–198

– H-factor concept 189–191

– kraft cooking kinetics 199–211

– pseudo first-principle 198–199

– pulping selectivity 197–198

– review 188–211

Kraft cooking mass transfer, diffusion 123,

137–150

– impregnation 122–123

– penetration 122, 129, 132–137

Kraft cooking pretreatment

– digester evacuation 129

– steaming 129–132

Kraft process 12, 17

– development 6

– dissolving pulp 1024

– prehydrolysis- 345–365

– uniform pulping reactions 1047

– see also kraft pulping

Kraft pulp 1010

– beating resistance 1011

– carbohydrate composition 470

– conventional see conventional kraft pulp

– emission levels 1005

– global fiber production 9

– hardwoods 723

– R-values 1015

– sheets 800

– softwoods see softwood kraft pulp

Kraft pulping

– black liquor 111–112

– carbohydrates reactions 174–181

– chemistry 163–185

– chromophore reactions 172

– extractives 181–183

– formaldehyde 169

– glucomannan 180

– green liquor 112

– kinetics 185–229

– levopimaric acid 183

– liquor composition 476

– low-lignin pulp production 323

– multistage 325–365

– nucleophiles addition 167

– processes 111–391

– reactions overview 183–184

– selectivity plot see selectivity plot

– tall oil soap 112

– technology and equipment 366–391

– toxic compounds 112

– transition metals 859

– white liquor 111

– xylan 179

– see also kraft process, see also lignin

kraft recovery boiler 980–985

– emission limits 1003

– schematic 981

– see also kraft chemical recovery

Kraft residual lignin, linkage frequencies 638

Kramfors process 465

Kubelka-Munk theory 610, 1279

Kvaerner compact press 557

Kvaerner double atmospheric diffuser 553

Kvaerner Dual mixer 620

Дата добавления: 2015-10-21