Ring-porous woods

– liquid flow 133

– vessels 53

Ritter–Kellner process 6

– sulfite chemical pulping 392

RLCC 634, 666–668

– composition before and after after

bleaching 640–641

Index 1339

– enzymatically isolated 667

– see also lignin-carbohydrate complexes

RMP see refiner mechanical pulp

Robert, Louis-Nicholas 5, 1073

Robinia pseudoacacia, tyloses 48

Roe number 1228

Roll presses, pulp washing equipment

556–557

Roller conveyor, log handling 98

ROS 647–649, 655, 663, 666

rotary debarker 72, 76–77

Rotary drum pressure washer, empirical

Capacity model 529

Rotary drum washers, pulp washing

equipment 547–550

Rotor

– categories 564

– screening equipment parameters 573–575

Rotor tip velocity, screening operating

Parameters 577

Rotor types, pulsation elements 1117

RTSTM see retention time, temperature, speed

Ruff-type degradation 796

s

S-factor 430–431

S-Mixer, Metso 620

S-rotor, pressure pulse profile 573

S-values, alkali solubility tests 1060

S2, cell wall layer 473

Saccharinic acids, hot caustic extract 961

Salomix agitator, Sulzer 628

Saltcake loss 537

Sampling, data 1216

Sand, selective removal 593

Santalol 37

Santalum album, santalol 37

Sapwood

– conversion to hardwood 59

– Pinus monophylla, resin acid composition

Saturation approach, pulp washing sorption

Theory 519

Saturation level, absorbed sulfide ions 242

Scalping screen section, chip screens 92

Scanning electron microscopy 60, 404

scanning UV microspectrophotometry 60–61