Small-Scale Oil Extraction from Groundnuts and Copra (ILO - WEP, 1983, 128 p.)

(introduction...)

Acknowledgements

Preface

CHAPTER I. INTRODUCTION

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I.1 Scope of the memorandum

I.2. Oilseeds considered in the memorandum

I.3. Technologies covered by the memorandum and target audience

I.4. Summary of remaining chapters

CHAPTER II. PRE-PROCESSING OF COCONUTS AND GROUNDNUTS

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II.1. Raw materials

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II.1.1. Copra

II.1.2. Groundnuts

II.2 Pre-processing of coconuts

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II.2.1 Harvesting

II.2.2 Husking

II.2.3 Shelling

II.2.4 Drying

II.2.5 Bagging

II.2.6 Storage

II.3. Pre-processing of groundnuts

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II.3.1. Harvesting

II.3.2. Field drying

II.3.3. Shelling

II.3.4. Bagging

II.3.5. Storage

CHAPTER III. OIL EXTRACTION FROM GROUNDNUTS AND COPRA

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III.1: Power ghani mill

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III.1.1. Pretreatment stages

III.1.2. Oil extraction by pressing

III.1.3. Post-treatment stages

III.1.4. Ancillary stages

III.1.5. Equipment

III.1.6. Daily requirements

III.1.7. Labour requirements

III.1.8. Layout of operations

III.1.9. Daily output

III.2. Baby expeller mill

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III.2.1. Pretreatment stages

III.2.2. Oil extraction by pressing

III.2.3. Post-treatment stages

III.2.4. Ancillary stages

III.2.5. Equipment

III.2.6. Daily requirements

III.2.7. Labour requirements

III.2.8. Layout of operations

III.2.9. Daily output

III.3. Small package expeller mill

(introduction...)

III.3.1. Pretreatment stages

III.3.2. Oil extraction by pressing

III.3.3. Post-treatment stages

III.3.4. Ancillary stages

III.3.5. Equipment

III.3.6. Daily requirements

III.3.7. Labour requirements

III.3.8. Layout of operations

III.4. Medium and large expeller mills, solvent extraction plants and wet-processing plants

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III.4.1. Medium expeller mills

III.4.2. Large expeller mills

III.4.3. Solvent extraction plants

III.4.4. Wet-processing (for copra only)

CHAPTER IV. ECONOMIC ASPECTS OF OIL PROCESSING

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IV.1. Methodological framework for the estimation of production costs and revenues

IV.2. Assumptions made in economic evaluation of alternative oil extraction technologies

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IV.2.1. Fixed investment cost factors

IV.2.2. Interest rates and discount factors1

IV.2.3. Raw material prices

IV.2.4. Annual cost of various inputs used in oil extraction and packaging

IV.2.5. Wages

IV.2.6. Product prices

IV.3. Case study: two-ghani-power mill

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IV.3.1. Two-ghani (power) unit mill: oil extraction from copra

IV.3.2. Two-ghani (power) unit mill: oil extraction from groundnuts

IV.4. Economic comparison of alternative oil extraction technologies

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IV.4.1. Total investment costs

IV.4.2. Annual costs and revenues

IV.4.3. Annual gross profits

IV.5. Break-even prices of raw materials and oil

IV.5.1. Break-even prices of raw materials

IV.5.2. Break-even prices of oil

IV.5.3. Concluding remarks on raw materials and oil prices

CHAPTER V. SOCIO-ECONOMIC EVALUATION OF ALTERNATIVE OIL EXTRACTION TECHNOLOGIES

(introduction...)

V.1. Employment impact

V.2. Skills requirements

V.3. Investment and foreign exchange costs

V.4. Multiplier effects

V.5. Energy and water requirements

V.6. Suggested policy measures for the promotion of suitable oil extraction technologies

APPENDICES

Appendix. I: Present worth of an annuity factor

Appendix II: Equipment manufacturers

Appendix III: List of institutions and agencies involved in oil extraction

Appendix IV: List of directories which provide information on equipment manufacturers

Appendix V: Selected list of journals on oil extraction

Appendix VI: Selected bibliography

Other ILO publications

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