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dpack
Joined: 02 Jul 2005 Posts: 43961 Location: yes
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Posted: Mon May 05, 25 3:06 pm Post subject: |
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has it got a PAT ticket? is a big problem with electrical stuff, probably sensible(most folk could not assess or rewire it)
recycling is patchy geographically and a fair bit of is greenwashing/tick boxing
some stuff is easy and prized by the trade, glass , paper/cardboard, al and fe cans
most local collections do not do metals, fabrics, electricals, nor most/any plastics although all could have a value as economically viable resources if collected and sorted for processing and reuse
tetra packs are mixed "ore", technically they can be, but not in an economically viable way
the days of ashes and broken crockery being the only thing in the bin are long gone
landfill metal rich electricals and dig holes for lower grade ore make no sense to me
maybe i should get ambitious with getting money to make good ideas manifest
as mixed ore consumer electronics have lots of potential, Au,Cu,Sn,"rares" etc and quite a bit of energy rich plastics are in far greater concentrations than they are in most mined ores or rf gold hunting across big red deserts |
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Florence
Joined: 15 Mar 2025 Posts: 53
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Mistress Rose
Joined: 21 Jul 2011 Posts: 16337
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Nicky cigreen
Joined: 25 Jun 2007 Posts: 9937 Location: Devon, uk
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dpack
Joined: 02 Jul 2005 Posts: 43961 Location: yes
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Posted: Tue May 06, 25 12:59 pm Post subject: |
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Mistress Rose wrote: |
Agree with Dpack, but sadly plastics are problematic in that they can be 'mixed' in the same sheet because they are laminated. We can put plastic bottles in our kerbside recycling and several shops will take 'soft' plastic. Still working out if we can recycle the wrapper from cheese which says 'not recyclable' but they say in the shop I bought it that they will take it as recycling. Feels very flexible, so at a guess, polythene or similar.
Electricals, as you say Dpack, are a real mine of metals, but need a lot of sorting and stripping. Possible, but as with a lot of these things is it 'economic'. |
that last bit, the chemistry and engineering is highly plausible, most has been tried
the business side needs to "reward" the disposer and get the item/s where they can be "refined" as well as processing the ore profitably to recover the useful metals and energy in a fairly tidy way
my choice would be harvest energy with a plasma furnace, ball mill the black slag, get chem/electrochem on the concentrate
messy would be a heap leach of minced electrical goods and take what lands in the activated charcoal leaving the plastics etc in the "washed" minced heap
very messy is send it to a poor country and children will use a wok to recover solder  |
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