TTA see total titratable alkali

Index 1347

TurboFeed system 381–382

Turpentine 967

Twin-refiner 1106

Two-stage bleaching processes 879

Two-stage delignification, operating

Conditions 730

Two-stage fractionation system 600

two-stage neutral magnefite process 467–468

Two-stage oxygen delignification 631

– first commercial application 727

– industrial fractions 722

Two-stage screening, cascade feed-forward

Arrangement 598

Two-stage sulfite pulping, pH-dependency of

Delignification, pulp yield and acetyl

content 473–474

Two-step chlorine dioxide bleaching,

Advantages 767

two-vessel MCC® system, impregnation

Vessel 385

Tyloses, cell components 48

u

UCC see upper cooking circulation

Ulmus, steroids 37

Ulmus americana

– hemicelluloses, nonglucosic units 29

– kinetic parameters for xylan water

Prehydrolysis 333

Ultrastructure

– cell wall components 41–44

– wood characterization 21

UMSP see scanning UV

Microspectrophotometry

Unbleached hardwood sulfite pulp, reflectance

And absorption coefficient spectra 611

unbleached pulp 348–350

– quality, predicted by selected model of kraft

Cooking kinetics 223

– yield, Sivola process spruce pulp 469

Unbleached softwood kraft pulp, comparison

Of different cooking conditions 234

Unbleached spruce kraft pulp, parameters in

CBC and conventional cooking 285

Unbleached spruce pulp, paper properties

underflow, hydrocyclone 579–580