Birkeland Eyde Arc Process nitric acid production

Ғылым және технология

Nitric acid is so expensive these days .Its used in my shop for work on stainless steel . I want to build a machine that makes HNO3 .
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Пікірлер: 74

  • @whatthefunction9140
    @whatthefunction9140 Жыл бұрын

    Like a true man. Spends thousands of dollars to save 80 bucks

  • @NOBOX7

    @NOBOX7

    Жыл бұрын

    had all the parts , it was just sitting there doing nothing

  • @nathanieljames7462

    @nathanieljames7462

    10 ай бұрын

    Why buy when you can DYI? ...for more money, time and effort

  • @nathanieljames7462
    @nathanieljames746210 ай бұрын

    Awesome expirementation! Thanks for sharing your results!

  • @aaronmurphy5060
    @aaronmurphy506011 күн бұрын

    You just needed Platinum tips yo. An oil burner ignition transformer, little bit of platinum and you'll have that jar Brown AF in like 5 minutes flat

  • @TheHuntermj
    @TheHuntermj Жыл бұрын

    Nitrogen Oxide is colorless, Nitrogen Dioxide is the brown gas so the tests you were performing might not have been producing good results for other reasons like insufficient oxygen to convert the NO. I had an idea to retain the maximum amount of Nitrates, make the NO2 directly into a Sodium or Potassium Hydroxide solution, it will turn directly into the Nitrate and the NO will pass through and can be re-oxidized.

  • @Preyhawk81

    @Preyhawk81

    Жыл бұрын

    you can use H2O2 to oxidize the NO that ascapes to HNO3

  • @TheHuntermj

    @TheHuntermj

    Жыл бұрын

    @@Preyhawk81 The price of H2O2 here is higher than Nitric acid, what does it cost you?

  • @Preyhawk81

    @Preyhawk81

    Жыл бұрын

    @@TheHuntermj price istn the problem because nitric isnt here aviable for private use and you dont need much h2o2 for the small amounts at the end of the filter colum or you use silica gel it can 70% of its one wight absorb NO gas .

  • @TheHuntermj

    @TheHuntermj

    Жыл бұрын

    @@Preyhawk81 I can buy 20l of ~70 technical grade nitric acid for about $100 here, no licence required. All they want to hear is that you have a use, I actually said I had a chemistry channel on KZread, which was true but I gave up, and they were fine with it. Just be confident, charming and rehearse a good story, you'll be fine!

  • @Preyhawk81

    @Preyhawk81

    6 ай бұрын

    you must get an buisness licence here to get nitric acid and when you have one ...taxes....@@TheHuntermj

  • @rapidash1999
    @rapidash1999 Жыл бұрын

    This is amazing, the experiments you did are very valuable to me, thanks.

  • @preciousplasticph
    @preciousplasticph Жыл бұрын

    next up make a fertilizer machine... bubble thru dolomite and water. gives you magnesium nitrate and calcium nitrate. Also if you use some magnets the arc will fan out along the magnetic lines.

  • @NOBOX7

    @NOBOX7

    Жыл бұрын

    yeah but it weakens the heat and reduces performance . I looked into the magnet and im full convinced they used it in industrial process because they had such a massive powerful arc that used like 15 Mw. I dont recommend it for small scale

  • @patrickbowen9395

    @patrickbowen9395

    Жыл бұрын

    ​@@NOBOX7It's calles the Birkeland-eyde process. It uses rotating magnetic field so it creates a plasma disk. What would be cool to see, and you're fully shop capable of doing it, is make the electrodes in the shape of a magnetron. Center rod cathode and fluted tubular anode.

  • @Preyhawk81

    @Preyhawk81

    Жыл бұрын

    @@patrickbowen9395 more effizenz with Schoenherr Stove design. Haber from the Haber Bosch prozess had similar ideas an long pipe an electrode on top with handl and one on the bottom on the bottom side is the air inlet on top the outlet the air got blown inside and the handle electrode pulled upwards the arc looks like an corc screw it had an effizence in haber lab of 7,5% when you think about that 10% is the maximim with arcs thats really good.

  • @rooey4193
    @rooey4193 Жыл бұрын

    Very cool stuff mate Keen to see more

  • @lukebowers536
    @lukebowers536 Жыл бұрын

    Outstanding work, nitric is in short supply in the UK, we have seen a 160% rise in price since this time last year, i cant do my small scale metal refining without it . I have been looking into the viability of making a BR, i have high voltage as a hobby so have a head start. I have a 75 pound beast of an X-ray machine transformer here that will put out 40kv at scary amps, but i have a hunch it is gonna destroy everything i put near it. I was going to use thoriated tungsten electrodes. Ime glad i found your channel, i will give a pair of stainless steel rods a try. I have a 2 foot bell jar but ime concerned i will kill it, that thing cost a heap some years ago.

  • @jozefnovak7750
    @jozefnovak77503 ай бұрын

    Super! Thank you very much!

  • @davegeorge7094
    @davegeorge7094 Жыл бұрын

    Yes, might work better at 30v once hot plasma starts arcing. save lots of KW! And use a feed gas of proper N and O ratio.

  • @metalfarmer9286
    @metalfarmer9286 Жыл бұрын

    Reminds me of another KZreadr, Photonicinduction. That guy really likes the high voltage stuff. Always enjoy your tangents. One adhd mind to another.

  • @NOBOX7

    @NOBOX7

    Жыл бұрын

    LOL indeed

  • @jhyland87
    @jhyland879 ай бұрын

    Super interesting! Thanks for sharing. Im working on an ozone generator and I kept seeing people sometimes talking about making HNO3 with them as well and was a bit confused. Subscribed! Keep uploading :-)

  • @philthompson9633
    @philthompson9633 Жыл бұрын

    Your apparatus appears too complex….The brown gas Is NO2 . Try misting , recirculating, H2O2 at the top sides of the reaction vessel! I think the peroxide will absorb the gas better than water. Just a thought. But it should maintain a cooler reactor while still allowing the higher reaction temperature

  • @l.c.9524
    @l.c.9524 Жыл бұрын

    As a reactor if air is dry you can use stainless, NOx barely attack stainless in a dry enviroment (jet engines are still kind of wet), for the arch generator you can use a second low voltage high amperage DC unit after the voltage multiplier... More or less as the Hf plasma start in welders and plasma cut. First air is ionized by the low current high voltage after air now is conductive even a cheap stick welder will allow you to dump hundreds of amps. It's a bit counter intuitive design witch require some diode protection. It have mainly 2 plus you can tune the amps you dump in and is less likely to be lethal since its all dc courrent.

  • @wijpke
    @wijpke8 ай бұрын

    Love to see you increase the pressure

  • @Preyhawk81
    @Preyhawk816 ай бұрын

    the jaccobs ladder was used under the name pauling process in austria it had an effizencie of 3,5% birkeland eyed only 1,5%. They wrote the advantege of the jaccobsladder is the air is cooled faster but it can only produce very deluted NO so you can only reach an acid with 30%. If you have more heat your NO is more concetrated and you can achieve highter concentrations but energie effizience is lower.

  • @davidj9729
    @davidj9729 Жыл бұрын

    you get into the craziest stuff

  • @josemanon6295
    @josemanon6295 Жыл бұрын

    Nice intent, cheers

  • @synapticaxon9303
    @synapticaxon930310 ай бұрын

    You might be interested in the Nodon Process. It involves electrolysis of peat, but at way lower potentials and with high yields.

  • @Preyhawk81

    @Preyhawk81

    6 ай бұрын

    but you need very big ammounts of peat. ive read they used claypott cels with coake anode and cast iron cathode. 10V per cell and every cell had 3 ohm resictance. they could produce 800tons of nitrate in a your if they used pee as an fertilizer up to 6000 tons.

  • @waynoswaynos
    @waynoswaynos10 ай бұрын

    Awesome. I’ve managed to get more use out of broken stuff with clear RTV silicone caulk. But then again you have HHO so you could perhaps fix the glassware. You need to bring it up to annealing temp and slowly cool it so it doesn’t crack after the repair. Or QGlass in the USA or China sells quartz glassware that can handle 1100°C.

  • @JKKnudsen
    @JKKnudsen10 ай бұрын

    Cool, about 10 years ago I went through the same transformer juggling. Got the best results with ZVS-flyback and 6kV neon sign transformer. Used stainless electrodes. My best runs had a yield of about 3g/kWh(by titration). Industrially they had about 30g/kWh. If you need nitric acid I would consider the standard nitrate + sulfuric acid route, way quicker, way more reliable. If you have to diy it, and you live near a bog, you can get nitrates from electrolysis of the bog(all you need is a unglazed pot, some lime, an iron rod, a graphite rod and some coke(coal not cola) as well as a power source) EDIT: Just Wanted to add, I got poor results with every HF driver I tried, just end up making ozone

  • @Hampyumpy

    @Hampyumpy

    5 ай бұрын

    Hi, would a larger kV help? I have access to a 1000kV spark gap but im not sure if its a good idea to use such high voltage when I see yt vids use around 5-15kV only

  • @JKKnudsen

    @JKKnudsen

    5 ай бұрын

    No, once you get over the ionization potential, you only want to increase the power by increasing current. Also if the source you are referring to is one of those taser coils it's not 1000kV(just dubious marketing). If it was, you would have sparks of about 1m(dielectric breakdown of air is ~10kV/cm). Now if you actually have a source that's 1000kV, and it's DC, you could do low energy nuclear stuff(see Cockcroft-Walton ).@@Hampyumpy

  • @thefamily_ak1863
    @thefamily_ak1863 Жыл бұрын

    Dang man , that sux , on the glass, but rad on the chemistry

  • @fredriko.zachrisson9711
    @fredriko.zachrisson971111 ай бұрын

    I think it would be interesting to see if the spark gap could benefit from magnetic quenching like some old school Tesla coils use. Maybe that is what you have there in the bottom, a microwave oven ferriter magnet

  • @NOBOX7

    @NOBOX7

    11 ай бұрын

    In my testing that cooled off the spark , if you have huge amounts of power then yes it helps

  • @Tridenux
    @Tridenux3 ай бұрын

    What transformer are you using in ?

  • @brucelamb6060
    @brucelamb6060 Жыл бұрын

    Thank you for sharing this and the wattage values. Looking to see how much this will cost per hour IAW electric bill! Will you make a part 2 of this video please?

  • @NOBOX7

    @NOBOX7

    Жыл бұрын

    Yes check my channel there are many updates and i did the math on this

  • @brucelamb6060

    @brucelamb6060

    Жыл бұрын

    @@NOBOX7 thank you. I saw these shortly after commenting. keep up the good work! This is great stuff!

  • @m3sca1
    @m3sca1 Жыл бұрын

    i have also seen that white dusty stuff when burning up rods. probably toxic.

  • @michaelhammond3069
    @michaelhammond3069 Жыл бұрын

    Very cool. Do you still sell the Zeus torch?

  • @NOBOX7

    @NOBOX7

    Жыл бұрын

    Yes

  • @frontendreact
    @frontendreact7 ай бұрын

    How many liters are produced every 24 hours? How much concentration?

  • @craigpater6278
    @craigpater62789 ай бұрын

    Fortunately for me if I want 68% nitric acid it's not necessary to make my own nitric acid because I can buy it but this is still a very interesting video

  • @Hampyumpy
    @Hampyumpy5 ай бұрын

    Hi, would a 1000kV spark generator be better? Or would it jusst be more dangerous? I definitely underestimated how strong 1000kV is

  • @NOBOX7

    @NOBOX7

    4 ай бұрын

    It just need to get hotter than 3000 deg . the volts does not matter . you can do it at 60 volts but the amps would need to be high enough to melt everything like a tig torch

  • @elektronikzmbrtlar1586
    @elektronikzmbrtlar1586 Жыл бұрын

    İnstead of using nitrogen from air you can burn ammonia with a platinum catalyst. İts more expensive but more efficent..

  • @niggacockball7995

    @niggacockball7995

    Жыл бұрын

    Nah ammonia is more efficent. There is a reason we stopped using these reactors for industrial production

  • @geoffreylohff3876
    @geoffreylohff3876 Жыл бұрын

    I'm not as versed (experience or industry) as many on here, but my immediate thought on a good electrode material was... why not look to arc furnace electrodes? (Carbon as I recall)

  • @NOBOX7

    @NOBOX7

    Жыл бұрын

    Carbon burns and smokes , you would need to keep resetting the gap or make an auto gapper

  • @thetraitor3852

    @thetraitor3852

    Жыл бұрын

    @@NOBOX7 How long do these stainless steel ball electrodes last?

  • @lurkmoar3926
    @lurkmoar39269 ай бұрын

    No, you're not "oxidizing the brown gas". NO is colorless and being oxidized into NO2, which is brown. I don't know much, but I know that.

  • @ronpearson1912
    @ronpearson19129 ай бұрын

    Nitric acid up to 68% is not that expensive, its the 98% + thats big money, thats the stuff im working on making. 70$ is nothing, the ultra pure is thousands a liter.

  • @mohdsufiansalleh4085
    @mohdsufiansalleh40855 ай бұрын

    if you just need the heat, isn't heating a piece of metal using induction heating would suffice ?

  • @NOBOX7

    @NOBOX7

    5 ай бұрын

    you need 3000 deg +

  • @NOBOX7

    @NOBOX7

    5 ай бұрын

    Yes if you heat high temp refractory or exotic metals

  • @gigabytegb
    @gigabytegb Жыл бұрын

    I want argon. Can I use this process to remove the oxygen and nitrogen to concentrate the argon in next stage/process or it's energetic very expensive if used only to obtain argon?

  • @NOBOX7

    @NOBOX7

    Жыл бұрын

    it only oxidizes 5% of the N2

  • @en2oh

    @en2oh

    4 ай бұрын

    Inexpensive argon? Cryogenic fractional distillation

  • @Tridenux
    @Tridenux3 ай бұрын

    Can i use microwave oven transformer ;?

  • @Max_Chooch

    @Max_Chooch

    Ай бұрын

    I'm contemplating this exact idea. The problem I see is that microwave transformers are not rated to be on for long periods of time. Also, if you don't properly ballast it, it'll just trip your breakers over and over. I think it can be done with a proper setup though.

  • @Tridenux

    @Tridenux

    Ай бұрын

    @@Max_Chooch though, microwave oven transformer output is upto maxium of 2kv, which is very less compared to eth/flyback-transformer, which also runs for peroid of time. but the difference is, flyback transformer requires zvs driver circuit to run; consumes less energy gives better arc, but smaller arc. benefit with microwave transformer is that; it can run on mains-directly without any needing of external circuit, it gives very long arc, but the disadvantage of this transformer is that it dosnt self ignites the arc, so that we have to do it manually to start the arcing process, and it gives Yellowish-brown-red arc while as eth gives blur arc. about power consumption; I think microwave consumes alot of enery but eth/zvs dosnt that much compared

  • @redhouaneelahouel2026
    @redhouaneelahouel2026 Жыл бұрын

    Time and concentration?

  • @NOBOX7

    @NOBOX7

    Жыл бұрын

    16.6% in 37 days cost $10.56

  • @luderickwong
    @luderickwong Жыл бұрын

    I have seen a couple of youtuber try this method. they have to run the setup continuously for weeks, if not a month. which, seems not a fast way to acquire the acid. the industrial way, which is probably the cheapest and most efficient way, is to "cook" liquid ammonia with oxygen in a distill tower with catalysis. a toxic and smelly procedure. require 24/7 attention during process. how much acid you need to fulfill your usage? if you count cost and time, very likely buying it may be the cheapest and fastest option.

  • @NOBOX7

    @NOBOX7

    Жыл бұрын

    The time wont cost a thing as it just runs in the backround . No way its cheaper to buy this day and age , a guy made 2 liters in 12 hours with 5000 watts of 70% solution . Yes there are alot of people doing it wrong ... They dont even oxygenate the nitric oxide

  • @NOBOX7

    @NOBOX7

    Жыл бұрын

    Thanks for your input , i think im gonna give this a try

  • @luderickwong

    @luderickwong

    Жыл бұрын

    @NOBOX7 wow! 70%? it is too good to be true, because the cooking ammonia industrial method only give 68% at maximum, and the factory already use platinum wire mesh as catalyst. i seeeee, you are looking for that extra 2%. right? just be careful testing, bro👍

  • @teresashinkansen9402

    @teresashinkansen9402

    Жыл бұрын

    @@luderickwong Well is true that a guy made 2 liters of 68% in 12 hours but the key of his success is he uses a a lot of power and a high current arc spread into a ring by magnets similar to the original Birkeland-Eyde processes but also there is another reason and I think is a very significant reason for his high yelds; he uses relatively tall absorption columns (two 10L columns so 20L in total) and low concentration in his absorption columns, so after it reaches around 7% concentration he boils down his solution until it reaches azeotropic concentration so ends up with around 2L of azeotropic. In my experiments the highest concentration I could reach was around 42% so if instead of trying to reach maximum concentration you focus in maximum absorption with reasonable amounts of concentration your yield increases dramatically, even from an energetically point of view its much more efficient to "distill" than to let run your B-E apparatus.

  • @7557adam
    @7557adam9 ай бұрын

    Damn China WTH go me 😂

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