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Steam economy, multiple-effect evaporation

Читайте также:
  1. Chip Steaming and Chip Feeding Systems
  2. Evaporation plants which deliver high-end thick liquor concentrations usually
  3. Heat recovery by steam generation (BLGCC; see Fig. 9.16). In such a case,
  4. Steam side of the heating element and adversely affect heat transfer by reducing
  5. Steaming

steam mixers, atmospheric 622–623

Steam pressure, effect on penetration rate

During pre-steaming 130

Steaming

– acid sulfite pulping process chemistry 428

– effect on air removal 131

– impregnation 405

– kraft cooking pretreatment 129–132

Steel plate conveyor, log handling 98

Steeping, dissolving pulp 1026

Stem section, Lophira alata 58

Stem structure, wood characterization level

Step rotor, cross section 564

Stepwise degradation, effect on molecular

Weight 959

Steric intramolecular interactions, glycone

Steroids, hardwoods 37

Stilbene

– formation and reactions 411

– relative oxygen susceptibility 640

– softwoods 37

– structure 640

Stilbene structures, resistance to chlorine

Dioxide oxidation 749

Stoker discharger, chip storage 104

Stokes–Einstein model, diffusion 147

Stokes’ law 582

Stone groundwood 1087, 1098

– definition 1072

Stones, selective removal 593

Stora processes 465, 472–475

Storage

– recovered paper 1187–1190

– wood yard 69–71

Streams

– around a hydrocyclone 579

– around a screen 563

strength delivery, pulp 256–257

Strength F-value 1104

Strength properties

– CBC pulp 293–295

– MCC® softwood pulp 297

Index

– ozonation effect 841–843

– viscose fibers 1036–1037

Stress-strain characteristics, single pulp

Fibers 1012, 1277

Structural changes, xylan 254

Structural levels, wood characterization 21

B-1 structures, reaction to stilbenes 411

b-O-4-structures 31–32, 183–184, 261–270,

273, 407–413, 475, 638–640, 655, 716, 725

– content in relation to consumed OXE 268

– content in residual lignin 263

– phenolic 309, 858

Substrate radical reactions 793

– ozone 790

Sugar cane bagasse fibers, cell dimensions and

Chemical composition 4

Sugar maple, chemical composition of wood

Sugars

– concentration development in beechwood

Prehydrolysis 339

– dehydration products 420

– ozone decomposition, promotor 789

Sulfamic acid, addition 764

Sulfated ash, inorganic components 1220

Sulfide

– concentration profile 241–244

– sorption in wood 242

Sulfide ions, concentration as function of

Cooking time in RDH process 278

sulfide-lean/rich white liquors, composition

Sulfidity

– in relation to kappa number 355

– influence on pulp yield in standard batch

cooking process 230–233

– kraft cooking active chemicals 114, 116

– white liquors 244

Sulfidolytic cleavage, b-O-4 ether 172

Sulfite, concentration in sulfite cooking

liquor 400–401

sulfite chemical pulping 392–482

– cooking chemicals and equilibria 395–403

– historical development 392–395

– impregnation 403–405

Sulfite chemical recovery 994

Sulfite cooking 957

– carbohydrates acid hydrolysis 416–425

– chemistry 405–427

– condensation 414–415

– extractives reactions 425–427

– lignin reactions 407–416

– one-stage acid cooking parameters 452

– Rauma three-stage 471

Sulfite cooking liquor

– acid 396

– ionic species concentrations 400–401

Sulfite dissolving pulp, beechwood 433


Дата добавления: 2015-10-21; просмотров: 99 | Нарушение авторских прав


Читайте в этой же книге: Promotor 789 | Index 1333 | Pteridophytes, lignin 30 | Pulp mill wood yard, schematic material | QC see quality control | Reactors 827 | Residual lignin-carbohydrate complex see | Schiff bases, formation 1235 | Self-decomposition, ozone 811 | SO2 see sulfur dioxide |
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Sorted recovered paper, handling 1189| Sulfite pulp 1009

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