Books  Sustainable Development  Agriculture & Food 

Small-Scale Milling: A Guide for Development Workers

Handbook / Manual

By: L-O Jonsson, DAV Dendy, K Wellings and V Bokalders

136 pages, 54 diagrams

Practical Action Publishing

Paperback | Jan 1994 | #41838 | ISBN: 1853392197
Availability: Usually dispatched within 6 days Details
NHBS Price: £15.95 $20/€17 approx

About this book

Small-scale Milling is a comprehensive and practical guide to improved food processing in both rural and poor urban areas, bringing together the authors' many years of practical experience in this field. It has been written because of a lack of practical guidelines for designing and managing viable milling programmes. This book is essential reading for anyone involved in milling in developing countries, and the target reader is the extension worker promoting improved small-scale milling techniques. The book can be used as both a manual and as course material for training at all levels.


Part 1 Introduction: why milling?; complexity of choosing appropriate milling techniques; need for a manual in small-scale milling; approach; the target reader; the content; definitions. Part 2 The cereal grain: anatomy of cereal grains; nutrients in cereals; purpose of milling; phytic acid; soaking; malting; fermentation; parboiling; type of flour; recommendation of flour quality. Part 3 Elements of technical choice in milling: case study 1 - traditional maize processing in eastern province of Zambia and Malawi; case study 2 - mechanized milling of maize in Eastern Province of Zambia and Malawi; elements of technological choice in milling. Part 4 Processing requirements of cereals cassava, legumes and condiments: wheat; maize; rice; sorghum; millet; barley and oats; cassava; legumes; condiments; salt; bone meal. Part 5 Milling processes: pre-treatments - grain cleaning, foreign material, pesticide residues, peeling and drying roots, legume splitting, moisture and drying, cleaning; husk and bran removal - manual husk and bran removal, mechanized husk and bran removal; grinding - manually operated grinders, mechanized mills. Part 6 Sources of power: human power and draught power; diesel engines - old fashioned diesel engines, the modern diesel engine, the hot-bulb engine technique; electric motor; water mills; wind power; battery-powered mills; steam engines; coupling arrangements - direct drive, flat belt drive, v-belt drive, centrifugal clutch coupling, multiple drives. Part 7 Operator's manual for diesel powered hammermills (case study 3): introduction (case 3.1); the hammermill operation; management. Part 8 Installation and safety of milling: installation and layout of equipment - basic requirements, hand-operated mills, animal-powered mills; motor-powered mills - diesel engine, electric motor, steam engine; water-powered mills; wind-powered mills; safety. Part 9 Summary of milling problems. Part 10 Small-scale milling machinery. Part 11 Management: introduction; how to choose a mill; comments; financial costing - pay-back method, budgeting procedure; follow-up; case study 4 - management; 4.1 daily records form; 4.2 weekly records form; 4.3 cash book; 4.4 milling project description; 4.5 profitability projection; 4.6 cash-flow analysis. Appendices: glossary; further reading and information - references, sources of illustrations; list of useful contacts - Institute and research bodies and interest in small-scale milling; product details and addresses of suppliers and manufacturers - small-scale milling machinery, further list of manufacturers and suppliers.

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