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Xylan 834

alkali resistant 445

beechwood water prehydrolysis 344–345

CBC pulp 285

cooking liquor 303–304

degradation rate in Gustavson–Al-Dajani

kinetic model 253

dissolving pulp characterization 1061

enrichment 1051

hydrolysis 343

in relation to COOH 441

in relation to screened yield 362

in relation to viscosity-to-kappa number

ratio 364

influence on fiber morphology 180–181

kinetic modeling of hardwood

prehydrolysis 329

molecular structure 28

pulp fraction 440

pulp residue 936

radial distribution 1050

redeposition 1048

relative acid hydrolysis rates 417

removal 936, 947, 949

removal rate in prehydrolysis-kraft process

348

reprecipitation 302, 1011

residual content 260, 332, 444

softwoods 29

specific consumption in selected model of

kraft cooking kinetics 221

specific kraft pulping reactions 179

structural changes 252–256

TCF-bleached dissolving pulp 1049, 1051

unbleached Visbatch® pulp 352, 358, 361

viscosity 455

yield as function of H-factor 438

xylan backbone, substitution 883

xylan chains

cleavage 663

hardwoods 29

xylan content 719–721, 940, 1029

comparison with R18 contents 957–959

purification yield 958

specific yield loss 949

yellowness coefficient 1030

xylanase treatment 822

xylem, age dependent changes 56

xyloisosaccharinic acid, black liquor

composition 968

xylonic acid, content as function of H-factor

447

xylose

commercial paper-grade pulp 1013

concentration development in beechwood

prehydrolysis 336, 338

Index 1351

content as function of H-factor 447

decomposition 335

degradation pathways 659

formation of sulfonic acid under neutralsul

fite conditions 422

y

Y-P bleaching 1131

yellow birch, average moisture content 125

yellow-poplar, average moisture content 125

yellowing 1038

yellowness coefficient

diacetate solution 1029

triacetate solution 1030

yield

carbohydrate amount in relation to lignin

content in alkaline pulping 186

increase achieved by polysulfide

pretreatment 310–311

pulp washing 537–538

wood components 438, 476

see also pulp yield, screened yield

yield loss 950, 956

specific 949–951

Young–Laplace equation 132

z

zero-span strength, sheets 1278

zero-span tensile index

commercial paper-grade pulp 1014

commercial pulp 1020

heterogeneous gas phase treatment 809

pulp viscosity dependence 808

viscosity dependence 842

zero-span tensile strength 1019

Zimm-constant 1247

Zimm-plot 1247

ZP treatment 1038

beech sulfite dissolving pulp 1039

1352 Index