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Plastic waste in lake Potpec, Serbia

If you have looked at the photograph , it doesnt take much imagination to think about how much plastic is going into rivers and seas on a regular basis , I went to look at my local river , after the heavy rains , and a great deal of new plastic is caught in the riverside tree branches and roots , along with the old plastic from 2020 flooding , and at this time of year it looks like somthing out of dystopian landscape or the river Styx . In my area there are a number of factors , but none more so than the soft drinks bottle , they bust out of full litter bins and blow in the wind , I think the drinks companies are going to have to pay to at least starting to resolve the waste problem , I was hopeful that we were going to get the metallic foils out of waste streams also , pringles have got a new packaging design , and only retailer going plastic free ,product by product is Iceland .

But wow from uk alone somthing like 9,000,000,000 kgs of plastic goes into rivers/seas ... soon be asking for polythene and chips please at the fish and chip shop.
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  • Simon Barker:

     Most plastics should be recyclable, but getting them recycled is a lot more difficult.


    Very true, so I think on our side the best we can do is a steady drip feed throughout the engineering profession to think about every plastic component:



    1. is this part / function / feature actually needed at all?

    • if 2 is "yes", can another material be used?

    • if 3 is "no", can parts be combined (e.g. moulding clips into casings rather than using separate clips)?

    • if plastics are "essential", can they be made easily recoverable / recyclable - and from here on we're into the realm of existing legislation and guidance in most countries (e.g. elements of WEEE)


    I've tended to find it's in the first three that when designing new systems we often forget (myself as much as anyone!) to take a step back and think "are we designing it this way just because we've always designed it this way?"


    Any other thoughts? It's rare that subjects come up on this forum that any of us can actually do much about in our day-to-day work, but this actually is one!


    Cheers,


    Andy

Reply
  • Simon Barker:

     Most plastics should be recyclable, but getting them recycled is a lot more difficult.


    Very true, so I think on our side the best we can do is a steady drip feed throughout the engineering profession to think about every plastic component:



    1. is this part / function / feature actually needed at all?

    • if 2 is "yes", can another material be used?

    • if 3 is "no", can parts be combined (e.g. moulding clips into casings rather than using separate clips)?

    • if plastics are "essential", can they be made easily recoverable / recyclable - and from here on we're into the realm of existing legislation and guidance in most countries (e.g. elements of WEEE)


    I've tended to find it's in the first three that when designing new systems we often forget (myself as much as anyone!) to take a step back and think "are we designing it this way just because we've always designed it this way?"


    Any other thoughts? It's rare that subjects come up on this forum that any of us can actually do much about in our day-to-day work, but this actually is one!


    Cheers,


    Andy

Children
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