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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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