Questions 1-4
Complete the notes below. Write ONE WORD ONLY for each answer.
Recycling Tyres in Australia
Background
- More than 1.5 million tyres dumped in Australia per 1
Previous recycling attempts failed because:
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there were pollution problems - smoke from burning
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recycling companies didn't make any 2
Advantages of Molectra's process
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More economical because smaller machines are used
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Less maintenance - tyres softened before shredding
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No limit on the 3 of tyres recycled
The Future
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Ten more factories being built
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Plans to spend 5% of income each year on 4
Questions 5-10
Complete the flow chart below. Write ONE WORD ONLY for each answer
Process |
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Possible Uses |
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Removal of steel 5 from tyre rim
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Steel pellets used in industry
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Chemicals applied to get rid of 6 and soften rubber
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Fibres, e.g. nylon, removed
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Tyres cut up into crumb rubber
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The MolectraVac machine microwaves rubber into hydrocarbon
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i) Used for activated carbon
ii) Used for carbon black
iii) Oil used for electricity
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