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All the plastic you can and cannot recycle

All the plastic you can and cannot recycle
By: BBC Posted On: September 20, 2018 View: 17

All the plastic you can and cannot recycle

Most people are trying their best to recycle plastic - but the many different ways in which recycling is collected by different councils has left people confused.

What can be recycled and what can't? We are putting more plastic in the recycling than ever before - but pictures of sea life tangled in all manner of waste plastic mean the pressure is on to do more.

The government is now considering changing the way plastic is recycled in England. This is why.

Each council collects their plastic recycling differently. BBC analysis shows there are 39 different sets of rules for what can be put in plastic recycling collections:

  • Most collect bottles
  • Others collect pots, tubs and trays
  • Some collect a much wider range

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Waste plastic is collected is different ways too:

  • Some local authorities collect all their recycling in one bin
  • Others ask households to separate their plastics from the rest of their recycling

Councils also employ many different companies to collect and sort their plastics.

And having different recycling schemes in different areas - for example, in some areas you can recycle margarine tubs and in other areas you cannot - makes labelling difficult.

Most people in Britain regularly recycle plastic but almost half have had disagreements at home about what type they can put in which bin, a ComRes poll for the BBC suggests.

And more than a quarter have these disagreements at least once a month.

What to expect from the government's review?

Analysis by David Shukman, BBC News science editor

Of all the things we recycle, plastic is the most complicated. It comes in a profusion of very different types.

Many products carry labels about recycling but some do not. And the labels themselves can be a problem.

Your eye might fall on a recycling symbol but miss the very small print saying the item will not actually be collected from your home.

If you see the phrase "widely recycled" on a packet or carton, it means many councils will take it but not necessarily all of them.

Each of the UK's local authorities has come to its own decisions about what to accept and what to refuse:

  • In Reading, a yoghurt pot can be thrown into recycling
  • In Manchester it cannot
  • Swindon has plans to join the small band of councils recycling no plastic at all

The government realises the arrangements can be confusing, even irritating. And it's undertaking a review of the whole recycling system.

  • Ministers could order manufacturers to use only the types of plastic that are easiest to recycle - but might that lead to higher prices?
  • They could insist on labels that everyone can see and understand - but how would that work on tiny pots and bottles?
  • A more controversial idea is to get councils to harmonise their plastic recycling systems - but that risks provoking an uproar over local democracy

The desire to boost plastic recycling rates is clear. But every option comes with challenges. The word is, we'll see the government's plans in November.

Plastic can often become too contaminated for recycling and have to be sent to landfill or incinerated instead. This happens for several reasons:

  • People are confused about what goes in which bin
  • People are not always very careful about what they put in
  • The plastic is contaminated with food waste
  • In areas where all recycling is collected in one bin, one type of waste can contaminate another

Plastic packaging is made from seven different types

  • Bottles are mainly made of PET and HDPE and these are easy to collect and recycle
  • Most trays are made from polypropylene and this is pretty easy to recycle too but not all councils have access to the right facilities
  • LDPE, used to make some carrier bags and cling film, is easy to process but more difficult to sort and can often be contaminated with food
  • Polystyrene, used to make some yoghurt pots and plastic cutlery, is not widely recycled
  • PVC makes up small amount of packaging but can contaminate other plastic recycling
  • Biscuit wrappers and meat trays can be made from a mixture of many different types of plastic, making them the most difficult type of packaging to recycle

All plastic can be recycled - but it is not always economical to do so.

  • Bottles attract the best prices, especially clear ones, which is why almost all councils recycle them
  • Coloured plastic is less desirable because the colour cannot be removed, restricting its reuse
  • Polystyrene is almost never recycled because there is no market for it

Most bottles will be sent for reprocessing in this country.

But plastic that is less valuable - about two-thirds collected for recycling - goes overseas and this figure has been rising.

Earlier this year, the National Audit Office reported the plastic sent abroad could be highly contaminated, meaning it may not be reprocessed and could end up in landfill or contributing to pollution.

Some countries are refusing to take any more of our waste.

  • China and Thailand have banned waste imports
  • Malaysia is considering banning imports of waste plastic

These bans are having an effect on the prices paid for waste plastic.

And this year the prices of the more contaminated plastics have fallen below zero, meaning companies are now expecting to be paid to take them away.

Design: Debie Loizou. Development: Eleanor Keane.

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