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Dioxygen-alkali delignification processes,

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carbohydrate reactions 657–666

Dipertenes, softwoods 35

Diphenylmethane see DPM

Dipolar cycloaddition, lignin degradation

Dipterocarpus, apitonene 37

Direct causticizing 994

Dirty points, paper 1076

disc chipper 80–84

Disc refiners 1104

Disc thickness screen

– diamond roll 93

– raised roll 91

Discharge

– acid sulfite pulping process chemistry

430–434

– consistency 530, 532–533

– gate operating mode 75

Discolored wood 57

Discs

– chipper canter 88

– dentated 91

Dismutation reaction 739

Displacement

– applied on prehydrolysis kraft process 327

– cooking liquor 430–434

Displacement cooking

– principles 367

– process steps 368

displacement ratio, pulp washing 538–539,

displacement washing 524–525

Disproportionation, hydroxyl radical adducts

Dissociation constant, temperature

Dependence for SO2 397

Dissolution

– of AX, carbohydrate, GGM and lignin in

CBC process 284

– single elements determination 1221

Dissolved lignin

– different digester locations 298

– effect on kraft cooking kinetics models

– influence on alkalinity 246

Dissolved oxygen, diffusion 693

dissolved ozone 780–781, 798

Dissolved solids

– effect on modified kraft cooking 244–248

– sources 716

Dissolved wood components, beech

Magnesium acid sulfite cook 446

Dissolved xylan, concentration in cooking

liquor 303–304

Dissolved xylose

– as function of cooking temperature 463

– as function of HSO3

– 461

dissolving grade pulp 1009, 1022–1062

Dissolving pulp

– applications 1025

– characterization 1024, 1061

– chemical composition 1026

– degradation 1056–1059

– functional groups specification 1016

– global production 11

– organic compounds 1026

Index 1307

– processability 1023

– quality profile 1023

– representative 1036

– structural parameters 1043

dithionite, pulp bleaching 1124–1126

DMA/LiCl, cellulose molecular weight

Determination 1240

DOC degradation during oxygen

Delignification 692

Domains, crystalline 1257

Donnan theory 393

– pulp washing 521

Double disc refiner 1105

– concept 1107

Douglas fir

– average moisture content 125

– chemical composition of wood 23

– lignin weight fractions 213

– spiral thickenings 44

Downflow reactors

– atmospheric 624–625

– low consistency discharge 625

Downflow single-vessel hydraulic digester, Lo-

Solids™ process 390

DP 25, 1020, 1036, 1058

– alkali cellulose 1057

– carbohydrate degradation in kraft cooking

kinetics models 193–197

– carbohydrates 174–175

– cellulose 42, 256, 935

– cellulose acid hydrolysis 416

– cellulose chain scissions 216–217

– degree of packing 428

– dissolving pulp characterization 1061

– hemicelluloses 28

– polymer fractionation 1252

– reduction in cellulose acid hydrolysis 416

– water prehydrolyzate neutral sugar

Fraction 340

– see also polymerization, degree of

DPM 165, 167–168, 173, 638, 656

– structure and relative oxygen susceptibility

– structures 713

DR 115–116

– see also displacement ratio, reduction

Efficiency


Дата добавления: 2015-10-21; просмотров: 114 | Нарушение авторских прав


Читайте в этой же книге: Belt conveyor, log handling 98 | Bleached commercial paper pulp | Blue gum, chemical composition of wood 23 | Carbohydrate degradation 832 | Caustic extraction 944 | Cellulose degradation 720, 859 | Chip preparation, impregnation 405 | Cold displacement | Cooking | Dahl, Carl 5 |
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