Experiment 687

– preservation 819, 823

– radiata pine kraft pulp 247

– reduced 1250

– selectivity plot for different AQ charges

– selectivity plot for different CBC cooking

Temperatures 290

– spruce AS/AQ pulping 479

– standard batch cooking 245

– TCF-bleached dissolving pulp 1049, 1051

– temperature effect 865

– unbleached Visbatch® pulp 353, 357

viscosity–kappa number relationship 364,

452–453, 479–480

Visible microscopy, fiber morphology 1271

VOC see volatile organic compounds

void volume fraction 127–128

voids 1265–1267

Volatile compounds, single elements

Determination 1221

Volatile oils 34

Volatile organic compounds 1002

Volume element, annular differential

(screening theory) 566

Volumetric reject ratio, as function of reject

thickening factor 568–569, 576

– volumetric reject ratio 590

VSA see vacuum swing adsorption

w

warm black liquor 372–373, 375–376

Wash filtrate 990

wash yield 537–538

Washing

– atmospheric peroxide bleaching system

– bleaching 628, 866–867

– bleaching equipment 628

– cold caustic extraction 942

– continuous cooking process step 379

– delignification 826

– fractional 528

– HCE treatment 954

– hi-heat 384, 558

– in-digester 557–558

– interstage 948

– lignin fractions 724

– medium-consistency ozone delignification

System 826

– multi-stage 526–527

– parameters 528–536

– pH 533–534

– post-oxygen 731

– pressurized peroxide bleaching system

Index 1349

– pulp 511–558

Washing zone, hi-heat 384

Waste disposal, waste strategy 1192

Waste Disposal Law, Japanese legislation