Does it explode too easily? Too much overhead?

  • voight [he/him, any]
    hexagon
    ·
    edit-2
    1 year ago

    From what I've been told it doesn't really have any issue with spewing fucking dioxins everywhere like the waste incineration power stations?

    Why did Scandinavians build those then lol??

    I'd say it's even a better use than recycling it into more single-use plastics.

    For sure. Isn't one of the biggest issues with it sorting everything out? Plastic waste contaminated with food has to be really common right?

    • infuziSporg [e/em/eir]
      ·
      1 year ago

      I am not a chemist, but to my understanding, the hazards of dioxins would be mostly from PVC and PET, which are significant but not large fractions of total plastic production. That said, the higher the temperature of the incinerator, the more thoroughly the carbon double bonds will be broken.

      I don't think food contamination is all that much of an issue, it would be fairly easy to wash off or just let it decompose. But in terms of sorting, you definitely want to make sure you're only dealing with one type of plastic at a time, because they all melt and evaporate at different temperatures.

      • voight [he/him, any]
        hexagon
        ·
        edit-2
        1 year ago

        Ugh yeah you'd still need to sort out the unsuitable / explosion inducing objects anyways but type of plastic is prolly really important :-/

        Idk I usually think about manufacturing as like how expensive the labor is + training & education + access to technology + the reagents going in + overhead of facility + transport + electrical grid stuff + supply chain

        as far as what is actually going on inside the big TRASH reactor I'm a bit mystified thanks

        • infuziSporg [e/em/eir]
          ·
          1 year ago

          I'm not sure what you mean about "explosion-inducing". The fuel that is produced is explosive if the combustion gets out of control. Typically though, pyrolysis is a metal cylinder inside a metal cylinder, with a tube coming out of the central one.

          As for operational costs of recycling or pyrolysis, training and education are a form of labor, overhead is just labor, materials are a proxy for labor, transport is a direct function of labor. It's largely a question of how efficiently you can use your time to collect the plastic.

          Before the question of pyrolysis comes in, there's an opportunity for cottage industry plastic recycling.

          Decentralized appropriate technology is a way to diminish structural power imbalance, reduce dependence on the imperial economy, have a more direct connection to the means of production, prepare for disasters or PPW, and demonstrate that a sustainable lifestyle is viable for everyone on the planet. It's good, folks.

          This is a relevant inspiration to start with.

          • voight [he/him, any]
            hexagon
            ·
            edit-2
            1 year ago

            I need to stop mixing in things I heard on the phone with stuff I read, but I meant like metal crap or things with pockets of air or other stuff idk when I meant explosion inducing

            Cool site will check it out.

            Yeah I had been thinking of that article to link in the other thread but I only posted the coppicing one

            • infuziSporg [e/em/eir]
              ·
              1 year ago

              I think there are processes of de-oxygenating the compartment. A bigger concern is that thin deposited metal films like in some wrappers, or plastic on paper like in Tetra-Paks. Stuff like that is prohibitively hard to recycle, and might just need to get crushed and stored underground, idk.