9.3 Separation of particulates and powders 9.3.1 Size reduction 9.3.2 Sieving 258 9.4 Air classification 9.4.1 Introduction 260 9.4.2 Commercial air classifiers 9.4.3 Process characterisation 9.4.4 Applications 268 9.4.5 Cereal separations 268 9.4.6 Legumes 270 9. 4.7 Other applications 273 9.5 Wet separation processes 273 9.5.1 Protein recovery 274 9.5.2 Soya processing 27 9.5.3 Wheat protein 276 9.5.4 Other applications 277 9.6 Some miscellaneous solids separations 278 9.6.1 Dehulling 278 9.6.2 Peeling 279 9.6.3 Cleaning of raw materials 9.6.4 Sorting and grading 281 Colour sorting and grading 281 9.7 References Index ……………287x Contents 9.3 Separation of particulates and powders ............................... 256 9.3.1 Size reduction .............................................. 256 9.4 Air classification ................................................. 260 9.4.1 Introduction ................................................. 260 9.4.2 Commercial air classifiers .................................... 262 9.4.3 Process characterisation ...................................... 264 9.4.4 Applications ............................................... 268 9.4.5 Cereal separations .......................................... 268 9.4.7 Other applications .......................................... 273 9.5 Wet separation processes .......................................... 273 9.3.2 Sieving ................................................... 258 9.4.6 Legumes .................................................. 270 9.5.1 Protein recovery .......... 9.5.2 Soya processing ......................... 9.5.3 Wheat protein .................................... 9.5.4 Other applications ................ Some miscellaneous solids separations ......................... 9.6.3 Cleaning of raw materials ..................................... 9.6.4 Sorting and grading ......................................... Colour sorting and grading ................................. 9.6 9.6.1 Dehulling ........................................... 9.6.2 Peeling ................................................... 279 279 281 281 9.7 References ..................................................... 283 Index .............................................................. 287