Complete the notes below.
Write ONE WORD ONLY for each answer.
Biomass fuel
• Biomass is waste plant material,e.g. sawdust,straw.
• Biomass briquettes can be used as domestic or industrial fuel.
Benefits of biomass briquettes
• Financial:no 31 ................. for materials
• Convenience: clean and easy to handle and 32 ................
Production by machine
• Biomass is first converted to a 33 ............... Then other substances are added.
• The machine expels the mixture through 34 ................ of differrent shapes
• N.B. Only a relatively small amount of 35 ...............is needed to operate the machine
Production by hand
• Biomass is mixed with water and sticky material, e.g. 36, ..................... and then pressed into shape
Current use
Europe and the USA
• Briquettes have been in use for some cime for 37 ...................
• The use of briquettes made from wood has increased rapidly:
India and China
• 1990s: briquette manufacture began.
• 2002: China had about 600 38 ...............
Uganda
• Customers are mainly public institutions or 39 ..................
Prospects for biomass fuel
• The 40 ................. is likely to increase