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|    comp.os.linux.misc    |    Linux-specific topics not covered by oth    |    135,536 messages    |
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|    Message 133,724 of 135,536    |
|    Carlos E.R. to Paul    |
|    Re: Underground fires    |
|    20 Dec 25 19:46:57    |
      XPost: alt.comp.os.windows-11       From: robin_listas@es.invalid              On 2025-12-20 18:14, Paul wrote:       > On Sat, 12/20/2025 7:15 AM, Carlos E.R. wrote:       >       >>       >> Garbage should be burnt (if burnt at all) in a high temperature oven with       filters for toxic fumes.       >       > An entrepreneur tried this and eventually gave up.       > The process was not clean enough to be used, without consequences.       >       > Any of the chemists I graduated with, could have told this person it won't       work.       >       > It might have been something like dioxin. There was never a "final report"       > or "lessons learned", to put a stop to someone else trying it.              Well, there are countries doing it, and they claim to be happy about it.       Switzerland, for instance.              >       > "When plastic burns, it releases a cocktail of harmful chemicals into       the air.       > These include dioxins, furans, mercury, and polychlorinated biphenyls       (PCBs).       > Dioxins, in particular, are known carcinogens and can cause       reproductive and       > developmental problems, damage the immune system, and interfere with       hormones."       >       > There is a difference between filtering a truly trace chemical, and buckets       > of bad stuff coming out the bottom of the rig.       >       > This is what happens when the consumption method is not at a high enough       > temperature. Raising the temperature of the process, increases the       > price per ton, of the processing. But humans will "try to burn that shit       > with gasoline", and even with a pure oxygen supply for help (dangerous),       > the temperature of the output reactants is too low. Only a few combustive       > gas mixtures, give relatively high output temperatures, and usually involve       > relatively tiny molecules. It's possible an acceptable combustion process       > needs three times that temperature, a plasma of some kind maybe. You can't       > get there with combustion, it's going to take something a lot more whizzy       > (and energy consumptive).       >       > The Sun would make a good garbage bucket. But you'd have to find an article       > that analyzes the consequences (other than the cost per ton of launching       > garbage).       >       > A fusion reactor gets nice and warm. The ignition facility (NIF) in the       States       > used for fusion research, the target zone there gets nice and warm, but       > this is hardly cheap kit to be burning garbage. In the fusion reactor,       > you're ruin the containment walls, with discarded tomato sandwich splatter       :-)       >       > https://en.wikipedia.org/wiki/National_Ignition_Facility#/       edia/File:NIF_target_chamber_2.jpg       >       > There are continuing comments in the local news, about "solving our garbage       > problem by burning it". I was born in a city that did this, burned garbage       > in a relatively low temperature incinerator. I've been to that incinerator       > in a pickup truck. The tailgate fell off our truck, into the pit which       buffers       > the garbage fed into the incinerator. It's 200 feet down. There is a ladder       on       > the side of the pit, covered in slime, for you to climb down :-) Well, the       > crane operator at the pit was a champ. He picked up our tailgate with the       > bucket scoop jaws, pulled it up the two hundred feet, and deposited it       > on the ground next to the offload area. It was "only a little bit bent".       >       > That incinerator used to shower us in soot and fallen debris. Any washing       > outside, would get covered in debris and need to be washed again. It all       > depended on the wind direction, as to who got the "output".       >       > They don't do that any more. But I bet the politicians reminisce about       > how "successful" that operation was. Today, there is a lawn over top of       > everything that went on there, and methane vent pipes on the premises.       > That garbage today, is like most cities, driven out of town on 40 foot       trailers       > and such.       >       > Today, a new town dump costs about $500,000,000 to build, and has a       > liner in the bottom to collect toxic fluids. That figure, is what       > stokes all this interest in combustion :-)                     I agree with you, but some people tell me that the EU sanctioned way is       an incinerator.              --       Cheers, Carlos.       ES🇪🇸, EU🇪🇺;              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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