Question 1-10
Complete the notes below. Write ONE WORD ONLY for each answer.
Biomass fuel
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Biomass is waste plant material, e.g. sawdust, straw.
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Biomass briquettes can be used as domestic or industrial fuel.
Benefits of biomass briquettes
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Financial: no 1 for materials
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Convenience: clean and easy to handle and 2
Production by machine
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Biomass is first converted to a 3. Then other substances are added.
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The machine expels the mixture through 4 of different shapes.
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N.B. Only a relatively small amount of 5 is needed to operate the machine.
Production by hand
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Biomass is mixed with water and sticky material, e.g. 6, and then pressed into shape.
Current use
Europe and the USA
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Briquettes have been in use for some time for 7
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The use of briquettes made from wood has increased rapidly.
India and China
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1990s: briquette manufacture began.
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2002: China had about 600 8
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Uganda
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Customers are mainly public institutions or 9
Prospects for biomass fuel
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The 10 is likely to increase