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850–853
Picea, pulp bleaching 1126
Picea abies 33
– average cell dimensions 52
– bordered pits 47
– carbohydrate composition 251
– cell wall layers 43
– chemical composition 23, 360, 451
– density and void volume 128
– diffusion coefficient 148–149
– earlywood transition 49
– hemicelluloses, nonglucosic units 29
– inorganic composition 40
– latewood tracheids 62
– resin acid composition 36
– resin canals 52
– stem section 55
Picea glauca, chemical composition of wood
Picea marina
– effect of steam pressure during presteaming
– hemicelluloses, nonglucosic units 29
Picea smithii, spiral thickenings 44
pick-up systems, paper collection 1178–1179
Pile dimensions, softwood chips 99
Pine
– AS/AQ pulping 479–480
– black liquor composition 968
– comparison of kraft cooking experiments
With predictions of selected kinetics model
– delignification as function of pH 473
– density and void volume 128
– diffusion coefficient 148–149
– effect of steaming on air removal 131
– kraft cooking selectivity plot 226, 232, 243
– specific light absorption coefficient of
Unbleached kraft pulp 269
– structural xylan changes during
Conventional kraft cook 254
pine/spruce conventional kraft cooking 233
A-pinene, conversion to cymene during sulfite
Pulping 426
Pinoresinol structures, phenolic 410
Pinosylvin, structure 425
Pinus
– inorganic composition 40
– pulp bleaching 1126
Pinus eliottii, resin acid composition 36
Pinus monophylla, resin acid composition 36
Pinus radiata
– AQ effects on kraft pulping 325
– chemical composition of wood 23
Pinus strobus
– hemicelluloses, nonglucosic units 29
– inorganic composition 40
– resin acid composition 36
Pinus sylvestris 36
– average cell dimensions 52
– black liquor composition 968
– chemical composition of wood 23
– density and void volume 128
– diffusion coefficient 148–149
– effect of steaming on air removal 131
– extractives 35
– hemicelluloses, nonglucosic units 29
– specific light absorption coefficient of
Unbleached kraft pulp 269
– total kraft cooking yield as function of
Residual EA concentration 239
– woodyard storage 71
Pinus taeda 33
– EMCC® pulp 297
– photosensitized degradation 656
– resin acid composition 36
Pit consistency, grinding process parameters
Pit pulp properties 1097
“pitch”, acid pulping 426
Pits
– closing 47
– in hardwoods and softwoods 46
– secondary wall 46
– softwood fibers 123
Plant biomass, yearly production 15
Plasmodesmata, cell components 46
Plastics, selective removal 594
Plate heating elements, falling film
Evaporator 975
Plate-type falling film evaporator 976
Plug-flow model 566, 568, 591
Pocket grinders, mechanical pulping
1089–1090
Index
Polluter-pays principle see producer
Responsibility
pollution prevention options 105–106
Polyalcohols, ozone decomposition,
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