Contents PREFACE TO THE SECOND EDITION ACKNOWLEDGEMENTS 1 ORIGINS, GROWTH AND POTENTIAL OF DEHYDRATION Origins; Growth; Potential; Conclusions FACTORY ORGANISATION Plant location; Raw material; Labour requirements; Water; Power; Boilers; Heat raising plant; Fuels; Effluent 3 PREPARATION PLANT Cutters; Peelers; Washers; Blanchers; Conveyors; Miscellaneous and specialised preparation plant DRYERS Stove and cabinet dryers; Tunnel dryers; Through-flow batch dryers; Conveyor band dryers- single pass; Multi-pass conveyor dryers; Bin dryers; Air lift dryers; Rotary dryers; Vacuum dryers Freeze dryers; Drum dryers; Foam mat dryers; Spray drying in the dairy and food industryContents PREFACE TO THE SECOND EDITION 1 ACKNOWLEDGEMENTS 3 1 ORIGINS, GROWTH AND POTENTIAL OF DEHYDRATION 5 Origins; Growth; Potential; Conclusions 2 FACTORY ORGANISATION 21 Plant location; Raw material; Labour requirements; Water; Power; Boilers; Heat raising plant; Fuels; Effluent 3 PREPARATION PLANT 39 Cutters; Peelers; Washers; Blanchers; Conveyors; Miscellaneous and specialised preparation plant 4 DRYERS 65 Stove and cabinet dryers; Tunnel dryers; Through-flow batch dryers; Conveyor band dryers - single pass; Multi-pass conveyor dryers; Bin dryers; Air lift dryers; Rotary dryers; Vacuum dryers; Freeze dryers; Drum dryers; Foam mat dryers; Spray drying in the dairy and food industry V