Bleaching

– hydroxyl radical 777

– iron (III) salts 709

– Keggin-type metal clusters 887

– laccase mediator-system 886

– lignin-conserving 1126

– lignin-degrading fungi 886

– low-consistency ozone 806–807, 809

– magnesium hydroxide 1130

– mechanical pulp 1123–1136

– medium consistency (MC) 616

– metal clusters 887

– modified 761–771

– offgas 867

– operations 613–628

– operations and equipment 613–628

– OXE 271, 612–613, 847

– oxidative bleaching 1041

– oxygen delignification 628–734

– oxygen-alkali 633

– ozone see ozone bleaching

– peroxide 1132, 1134

– phenolic hydroxyl groups 848

– Picea 1126

– Pinus 1126

– polyoses 1123

– polyoxometalates 887

– Populus 1126

– pressurized peroxide 866–867

– pressurized reactors 625–627

– pulp 609–894

– P-Y 1132

– QPQP bleaching 267–271

– reactors 866–867

– reductive 1134

– retention time 802

– sodium borohydride 1125

– sodium peroxide 849

– sodium silicate stabilization 1129

– softwoods 882, 1126

– specific volume 1131

– static ozone bleaching 800

– TCF see TCF bleaching

– two-stage processes 878

– vanillin 747

– washing 628, 866–867

– white rot fungi 886

– yield 863–865, 878

– Y-P bleaching 1131

– see also pulp bleaching

Bleaching chemicals

– classification 610–613

– most important 264

– oxygen-based 777

– reactivity 611

bleaching equipment, agitators 627–628,

– blowtank 627

– medium consistency mixers 619–623

– medium consistency pumps 617–619

– medium consistency reactors 623–627

bleaching methods, alternative 885–887

Bleaching plant, two-stage 1136

Bleaching reactions 1227

– selectivity 838

bleaching sequence, CCE 948–949

Index 1297

Bleaching stages

– operation 890–893

– ozone placement 843–849

BLG see black liquor gasification