Drag force, on settling particle 581

drainage, pulp washing theory 513–516

Drainage resistance

– pulp 1281–1283

– specific 515

Drainage time, pulp 1283

Drainage velocity equation 516

Dregs, white liquor preparation processes

Driving unit, drum debarker 74

drop-off systems, paper collection 1179–1180

Drum, support 74

drum chipper 84–86

– layout 86

drum debarker 72–76

Drum displacer (DD), pulp washing

equipment 549–550

Drum rotation speed, in relation to relative

Pressure washer capacity 536

Drum washers

– conventional 547–549

– rotary 547–550

DrumMatic™ 95–96

Dry debarking 74

Dry fibers

– mechanical properties 1277

– specific surface 1267

Dry solid content 124, 129

– black liquor density 971

– black liquor heat capacity 972

Drying, pulp weight loss 1219

DS see dry solid content

DTPA 523, 671, 821, 855, 861–862, 1126

Dual mixer, Kvaerner 620

DUALDTM process 764

DualoxTM system, two-stage delignification

730–730

Duflo impeller, Kvaerner 618

Duflo pump, Kvaerner 617

Dynamic steam heater, Andritz 622

Dynamic viscosity, black liquor and water 136

E

E10 see modified efficiency factor

E factor see efficiency factor

(E/O) sequence 948

(E/O) treatments, NaOH charge 953–957

E-pH plot, AQ redox equilibria 317

E/O see hot caustic extraction

EA see effective alkali

Earlywood, bordered pits 47

Eastern hemlock

– average moisture content 125

– chemical composition of wood 23

ECCSA 144–146, 148, 801

– pH-dependency in Aspen 145

– pulp yield dependency 146

– relation to pH and pulp yield in kraft

Cooking kinetics model 218

Index

ECF bleaching 10, 1000

– hydrogen peroxide application 868

– superbatch process 281

ECF bleaching sequences

– comparison 847

– efficiency of chlorine dioxide 768–769

Ecocyclic pulp mill project 1007

Ecological risk, chlorine dioxide bleaching

Economizers, kraft recovery boiler 981

EDTA 670, 712–713, 821, 858, 1125–1126

EDXA see energy dispersive X-ray analysis

Effective alkali 946

– as function of cooking temperature and Hfactor

In conventional kraft cooking 232

– at different digester locations 300

– calculated consumption in Visbatch® cook

Of Eucalyptus urograndis 351

– CBC process 283

– in relation to brightness 272

– in relation to H-factor after 120 min

Cooking 238

– in relation to intrinsic viscosity 270

– in relation to light absorption coefficient

– in relation to pine total pulp yield 239

– in relation to xylan content in unbleached

Visbatch® pulp 358

– influence on pulp yield in standard batch

Cooking process 229

– kraft cooking active chemicals 114–115,

118–119, 159–161

– Lo-Solids™ laboratory cooks 301–303, 305

– predicted concentration in selected kraft

Cooking kinetics model 223, 227

– white liquors 244

Effective capillary cross-sectional area see

ECCSA

Effective filtration pressure, in relation to

Relative pressure washer capacity 536

Efficiency 765

– chlorine dioxide 768–769

– fractionation 590–592

– ozone treatment 829–840

– pulp washing 531, 537–546

Дата добавления: 2015-10-21