UBET
Unified Bioenergy TErminology

December 2004

FOOD AND AGRICULTURAL ORGANIZATION OF THE UNITED NATIONS

Table of Contents

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Foreword
Acknowledgements
Summary

1. Introduction

2. Need for a Unified Bioenergy Terminology (UBET)

2.1 Statistical database

2.2 Bioenergy balances

2.3 Trading operations

3. Conceptual approach

3.1 Biofuels supply sources

3.2 Trade in biofuels

4. Bioenergy Terminology

4.1 Terms related to the energy field

4.2 Terms for biofuel classification

4.2.1. Woodfuels
4.2.2 Agrofuels
4.2.3 Municipal by-products

5. Parameters, Units and Conversion factors

5.1 Properties of biofuels

5.1.1 Moisture
5.1.2 Energy content
5.1.3 Mass, Volume and Density
5.1.4 Total ash and ash melting temperature
5.1.5 Shape and particle size

5.2 Charcoal productivity

5.3 Conversion factors

6. Index of Terms

7. Definitions of main Terms

8. GLOSSARY – GLOSSAIRE - GLOSARIO

9. References and background documents