Oleoresin, softwood species 35

Oligosaccharides

– fractionation 1230

– in water prehydrolyzate from beechwood

OMeGlcA 940

Once-through gas management 828

One-stage acid sulfite cooking

– material balance for different wood

Species 458

– parameters 452

One-stage oxygen-delignified pulp 631

Onsager see Debye–Huckel–Onsager equation

Opacity 1280

Open-air chip storage 101

Open rotor 564

operating parameters, screening 575–578

Operating variables, base case study 697

OQP sequence, effect on ligin structure 858

Orange liquor 311

Ordinary differential equation 159, 229

Organic chlorine

– formation kinetics 772

– low pH 753

Organic compounds

– dissolving pulp 1026–1033

– volatile 1002

Organic constituents, black liquor 967

Organic halogen, adsorbable see AOX

Organic solutes, effect on ozone

Concentration 788

Organic solvents 342

Organochlorine compounds

– commercial paper-grade pulp 1014

– see also OX

Organohalogen, dissolving pulp

Characterization 1061

Organosolv pulping 16

Osmosis, molar mass determination 1243

Osmotic pressure, evaluation 1244

Outlet consistency (NStd), standardized 545

Outthrow materials, recovered paper 1162

Overall selectivity, optimum 728

overflow, hydrocyclone 579–580

Oversized logs, waste generation 105

OX 17, 628, 764, 767–777, 882, 1001, 1061

Ox-Dem see oxymercuration-demercuration