Kraft cooking 261

Alkali

– concentration profile 237–241, 276–277

– consumption 220–221

– kraft cooking active chemicals 114

Alkali amount, effect on chemical oxygen

Demand 878

Alkali cellulose, ageing 1057

Alkali charge

– effect on delignification 700

– oxygen delignification 703–704

– selectivity improvement 720

alkali resistances 347, 353, 365, 439–441,

448, 832–835, 838–839, 943–944, 953–959,

963, 1015–1016, 1043–1044, 1060, 1062,

– alkali solubility tests 1060

Index

– as function of H-factor 442

– as function of P-factor in unbleached

Visbatch® pulp 354

– commercial paper-grade pulp 1013

– comparison with xylan contents 957–959

– dissolving pulp characterization 1062

– NaOH dependence 954–955

– paper pulp 1015

– purification yield 958

– temperature dependence 957, 962

– viscosity as function of R18 363

– see also R10, R18

Alkali solubility, pulp specification 1060

Alkali-soluble components, pulp 1229

alkali source 706–708

– alternative 962–963

Alkali-stable chromophores 258

Alkaline ageing, molecular weight reduction

Alkaline decomposition, hydrogen peroxide

decomposition 862–863

alkaline extraction 824–826

Alkaline hydrolysis 178

– glycosidic linkages 178

Alkaline peroxide bleaching, catalyst 877

Alkaline pulp suspension, solubility of

Oxygen 693

Alkaline-soluble impurities, removal 951

alkaline sulfite 475–482

Alkaline sulfite-anthraquinone-methanol see

ASAM

Alkaline sulfite pulping process, pH range

Alkalinity, black liquor 120

Alkalization 938

B-alkoxy elimination 177, 934

Alkyl-(R), ozone decomposition, inhibitor 789

Alnus incana, chemical composition of wood

alternative bleaching methods 885–887

alternative sulfite pulping concepts 465–482

– alkaline sulfite 475–482

– AS/AQ 476–482

– magnefite process 466–467

– Sivola processes 468–471

– Stora processes 472–475

– two-stage neutral magnefite process

467–468

Aluminum sulfate, addition 710

American beech, average moisture content

American Elm, average moisture content

[2-(2-aminooxyethoxy)ethoxy]amide 1016

Ammonium hydrogen sulfite 404

Andritz Dynamic steam heater 622

Andritz HHQ™ chipper 83–84

Andritz HQ™-sizer 86–87

Andritz Lo-Level heat recovery system 391

Andritz TurboFeed system 381–382

Andritz two-stage DD washer 550

Angiosperms, lignin 30

Anhydro-sugar units

– hemicelluloses 28

– peeling 175–176

Anhydroglucose units 822

– cellulose structure 24

Anion-exchange chromatography 939

Anion radical, superoxide 646

Anisotropy, orientation 1265

Annual ring, softwoods 51

Annular differential volume element,

Screening theory 566

Anthraquinone see AQ

anthraquinone pulping 314–325

– see also AQ

AOX 17, 609, 740–742, 764, 767–777,

846–848, 1000–1001, 1005–1006

– efficiency of chlorine dioxide 769

– formation 774, 843

– levels 773

– load 775

– see also adsorbable organically bound

Halogen

Aperture velocity 565

– in relation to fiber passage ratio 576

apex flow, hydrocyclone 579–580

Apparent rate constants, hardwood

Дата добавления: 2015-10-21