Prehydrolysis 334

AQ 195, 200–201, 476–481, 667

– a-aryl ether structures degradation paths

– combined effects of PS and AQ pulping

314–316

– effect on kappa number–H-factor

Relationship 322

– PS/AQ mill experience 316

– see also soda-AQ

AQ/AHQ redox system 318

aquatic environment 1004–1007

Aqueous acidic compounds, polysaccharides

Treatment 327

Aqueous extracts, general properties 1225

Aqueous sodium hydroxide solution

– pulp treatment 934

– reactions 935–941

Index 1293

Aqueous solvents, cellulose molecular weight

Determination 1240

Arabinoglucuronoxylan see AX

Arabinonic acid

– content in aldonic acid residues 658

– formation 659

D-arabinonic acid, polysaccharide chain

Cleavage 662

Arabinose

– commercial paper-grade pulp 1013

– concentration development in beechwood

prehydrolysis 337–338

– content as function of H-factor 447

– ozonation 796

– pulp fraction 440

Arabinoxylan

– yield as function of lignin yield 481

– see also AX

Aromatic compounds, from sugar dehydration

Under acidic conditions 420

Aromatic molecules, ozone reactions 790

Aromatic rings

– chlorination 745

– hydroxylation 790

Aromatic structures

– carbohydrate dehydration to 419–421

– hydroxyl radical adducts 653–654

Aryl-(R), ozone decomposition, promotor 789

A-aryl ether structures, AQ degradation paths

B-aryl ether structures

– correlation with bleachability 265

– correlation with H-factor 266

– oxygen pressure imfluence 708

– residual lignin 174

– sulfonation and condensation 410

AS see alkaline sulfite pulping

AS pulp, bleachability 478

AS/AQ 17–18, 476–482

– course of pH and temperature in pine

Pulping 479

– liquor composition and yields in

Comparison to kraft pulping 476

– spruce selectivity plot 479

– wood component yield–lignin yield

Relation 481

ASAM 273–274, 478, 809, 1024

– alternative to kraft pulping 17

– spruce wood nanostructure during

Pulping 57

ASAM pulp

– bleachability 273

– brightness gain in relation to consumed

OXE 273

Ash

– acid-insoluble 1220

– components, distribution in pulp 1034

– density and void volume 128

– inorganic components 39

– pulp 1220

– pulping yields 110

– sulfated 1220

– white (average moisture content) 125

Aspen

– average moisture content 125

– chemical composition 451

– density and void volume 128

– Sivola process cooks 468

– viscosity–H-factor relationship 452

Aspiration, pits closing 47

Atmospheric diffuser

– Kvaerner double 553

– pulp washing equipment 552–554

Atmospheric downflow reactors, bleaching

equipment 624–625

atmospheric emissions 1002–1004

– kraft pulp mills 1003

atmospheric peroxide bleaching 866–867

Atmospheric screens, screening and cleaning

equipment 604–605

Atmospheric steam mixers, bleaching

equipment 622–623

Atmospheric upflow reactors, bleaching

equipment 623–624

atomic absorption spectroscopy 1222–1223

Atomic force microscopy 60

Aucoumea klaineana, diffuse-porous

Дата добавления: 2015-10-21