Nonphenolic compound, ozone reactions 790

nonphenolic lignin units 170–172

– structure 171

Index 1327

Nonrecoverable paper 1186

– germany 1185

– world 1183

Nonuniformity-index see index of

Nonuniformity

Nonwood plant fibers, economic potential 13

Nonwood pulp fiber, global production 9

Norden efficiency (E) factor

– definition 542

– pulp washing 539–546

– standardized 558

North America, recovered paper grades 1161

Northern red oak, average moisture content

Norway spruce, chemical composition of

Wood 23

Noss RadicIone AM 606

Noss Radiscreen 603–604

Noss Raditrim 604

NS-AS see neutral sulfite-acid sulfite process

NSSC 1009, 1110

– role in global pulp production 12

nuclei growth, Avrami-Erofeev’s concept 679

Nucleophiles

– addition in kraft pulping reactions 167

– addition of water, chlorine bleaching 747

– lignin attack 648, 856

Nucleophilic opening, oxiran 171

Nucleophilic reactions, (di)oxygen and

derivatives 647–649

Numbering system, European list of standard

Grades of recovered paper and board 1205

Numerical solution

– cooking chemical concentration equations

in selected kinetics model 228–229

– diffusion model with cylindrical

symmetries 162–163

O

Oak species 37

ODE see ordinary differential equation

Offgas

– medium-consistency ozone delignification

System 826

– pressurized peroxide bleaching system

OH– see hydroxide ion

Old growth redwood, average moisture

Content 125

Olefins, ozone reactions 793