Skip to main content

Question 31-34
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 31..........

Previous recycling attempts failed because:

    • there were pollution problems – smoke from burning
    • recycling companies didn't make any 32..........


Advantages of Molectra's process

    • More economical because smaller machines are used
    • Less maintenance – tyres softened before shredding
    • No limit on the 33.......... of tyres recycled


The Future

    • Ten more factories being built
    • Plans to spend 5% of income each year on 34..........

Questions 35-40

Complete the flow-chart below. Write ONE WORD ONLY for each answer.

RECYCLING TYRES

Process


Possible Uses 
Removal of steel 35.......... from tyre rim
  
Steel pellets used in industry
  


Chemicals applied to get rid of 36.......... and soften rubber 


  


Fibres, e.g. nylon, removed 
  
    • Strengthening concrete 
    • Sheets made of 37..........
  


Tyres cut up into crumb rubber
  
    • Asphalt for roads
    • Insulation 
    • 38.......... tiles
  


The MolectraVac machine microwaves rubber into hydrocarbon
  
i) Used for activated carbon 
    • 39.......... treatment 
    • air filtration 
ii) Used for carbon black 
    • batteries 
    • 40.......... 
iii) Oil used for electricity