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- เผยแพร่เมื่อ 16 มี.ค. 2023
- How many grams per hour can you make with solar power ? 100 watts
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I also recall a potential efficiency I read about. There’s a lot of short lived higher energy reactive oxygen species getting produced but they rapidly change back to nitrogen and oxygen. The faster you can cool them and get them into the water the longer they will last and the more output you will get.
the best would be an aluminiumcylinder with active water cooling as chamber, the surounding cool as possible.industrial an long arc is better because more survace but they used stoves with 2500KW power at home you have 100w :(. in early time they used an second chamber filled with moistened pumic stone because the very high survace of the pumice stone let the NO better react to NO2.
Looking forward to see how this project turns out.
so I have to know. where does someone learn all these things? I mean I'm just as interested if not more than some people and amazed by some of your projects but when I sit and watch your videos I'm just thinking how do you gain knowledge like this? when I first started watching your torch videos I was amazed. I figured out how to make them, but things like this...just crazy. I want you to know that you've taught me a great deal about heat and everything related to it. I really appreciate it. melting and casting metal is now my favorite hobby next to woodworking. thank you for that.
I wisdom comes from the ultimate truth i know .
And that is that Jesus Christ is the King of kings and the Lord of Lords . Pray for wisdom and understanding but it is up to you to get knowledge. These 3 things are all a gift given to me by Christ , he gave me the patients to get knowledge by study and gave me wisdom and understanding . It is not of my own works .
Take the platinum plug tips and weld them to your electrodes
If you get the 6R12 Harley Davidson plugs, those are only 100-150Ω. Used to run the machine that made them. Always kicked back on the PRT, usually the tamp would leave excess powder that would over-rate the resistance value.
Bad ass... You are always exploring new shit, and figuring out how to make it work.
I have a small acreage and I've been interested in some kind of device that can continuously fertilize the soil using electricity, air, and water.
I've kind of imagined a small bloom of vegetation around such a device. Maybe you have to add some other thing to react with the dilute nitric acid, limestone or some such, which might also increase CO2 concentrations that plants are gasping for and nearly suffocating, and is conveniently heavier than air. But the idea is that you just get this trickle of fertilization that is continuous and kind of fans out downhill from the devices. It wouldn't even have to be that much fertilization, but I've thought it could enable accelerated forest growth for silviculture, etc.. Like a bear dragging a Salmon carcass up the mountainside that enabled these forests...
To really close the loop, setup a ram pump on the creek (check), pump that water up the hillside (check), down through a kelvin electrostatic generator (experiments in progress), whose charge separation is accumulated in leyden jar/capacitor/condensors or maybe large spherical terminals, and then discharge through your Birkeland-Eyde reaction chamber, discharging the nitric acid at a certain concentration to form nitrates and trickle irrigate the hillside back to the source. For extra credit, use air pressure from a trompe, a secondary ram pump, or even electrostatic fields with fine powdered fertilizer salts, to disperse the nitrates over a large area. Behold, Kemet, the Black Soil. aka Egypt.
Might cause algae blooms... but if you collect that up, it could enable a thermal depolymerization secondary process or even algae-based oil if they are subjected to extreme pH.
So I have become fascinated with ideas about turning nature against itself
-- the kinetic flow of the creeks pumping water uphill, irrigating the forest, and flowing back into the creek
-- the kinetic energy of water raised to an elevation, and charge separation where gravity does work against an electric field
-- all kind of passive things, tapping the energy of nature to amplify the life that it can enable.
But I'm more than willing to setup solar panels or run 80W power over ethernet spans to do it too.
Anyway, I like your videos. Food for thought!
Use the waste heat from the reactor to help cook out your nitrous acid maybe? Also I was thinking about if recirculation would help.
Anywho. I believe back when this was an industrial process, they used tall water columns for absorption, because it increases the time that the bubbles are in contact with water.
I intend on constructing my own BE reactor as well so thanks for the experiments.
I was thinking more about this today. What if instead of bubbling the gas through the water, why not atomize (spray or ultrasonic?) the water in the gas cloud to increase dissolution rate? It might be a little quicker.
@@djsnowman06 Exactly, that's much, much better and the way to go! Gas bubblers are not how they do it in the industry as the areas of surface contact are much too small. However the areas of surface contact when combining atomisers with any gas output are absolutely gigantic, and depending on the requirements that setup can be adapted so as to create even more intimate mixing.
Shit man you have progressed beyond!!👍
I didn’t look into it, but you might want to flow parallel trough the Spark Gaps and not in Series to avoid a back Conversion.
And I’m not so sure the PVC Tubing will hold up.
The Commenter who suggested the Spark Plugs without the Resistor is right, but usually they aren’t made for a sustained high Power Spark as far as I know.
It’s some Effort, but maybe coating Platinum to the Tip of your Stainless Steel Rod might help.
If I had the Means I’d have some Stainless Steel Rod in a Ceramic Sleeve that is connected to a short Piece of Tungsten that sticks out of the Sleeve and is coated with some suitable Metal.
Another Thing is that once the Spark is ignited the Resistance should drop significantly and you should be able to sustain it with a pretty low Voltage like a Electric Welder does.
A bit like Arc Lamps that get started with a high Voltage Pulse and then run on a Voltage
The clear tubing will definitely deteriorate. Milky PTFE tubing is the most ideal tubing for this kind of job, and clear FEP tubing is also fine.
Not true ,actually the hot electrode does help due to the the fact air has a required btu rating to heat it up , this pre heats the air in the area of the arc. The testing i did before this video shows the performance difference . I get that its obviously not getting 3000 C at the metal but it does help heat the air up in the vicinity . 950 deg F air is easier to heat up to 3000 C then 70 deg air .
I did an entire video showing the opposite of your input regarding this .Big sparks are cold and make ozone , tiny hot sparks with red hot electrodes do best . In industry they use to run an arc furnace ??? blazing red hot bro .
The BTU of the spark is very low . Also in the last video we see that tungsten is a terrible choice for an electrode .
They only work in light bulbs and tig welder under shielding gas . Ever pop off a tig torch with the shielding gas off ? POOF , yellow tungsten oxide and electrode destruction . As for the spark plug its only used as an insulator . Thanks for the input on the hose , its all i had . Ill get some FEP soon
Tried the air input idea as the one electrode is a 3mm tube , it did not work well , cooled the spark off to much did not make gas well . I decided before this build i wasnt doing a thing until we figured out the optimal electrode and the video before this concluded stainless steel glowing red hot beats all . I did think about using a old welder but research indicated when this was tried it took 20 amps before good results where achieved . low voltage high amp sparks are harder to manage long term but i may still try it some day
@@NOBOX7 Uncoated Tungsten doesn’t work as you seen yourself. It’s good at handling Temperature, but not so much suitable for Contact with hot Oxygen. The right Coating would be good at handling the hot Atmosphere but probably to expensive to directly use in Form of a Stick.
I’m not suggesting a longer Ark.
A stronger Arc which passes more Current in the same Volume is what I’m talking about.
Your Electrodes are big compared to your Spark and so the hot Tip might help, but in a Setup with a High Intensity Spark you’d be more worried about melting the Electrodes.
If the Increase in Temperature from the hot Electrode really helps you should see Benefits from passing hot Air to the Device.
Did you consider a long, thin tall bubbler with maybe some plastic (non-reactive, hopefully to nitric acid) mesh pot scrapers inserted above and along the bubbler height? This would put the NO and NO2 gas bubbles in contact with the water much longer and decrease the bubbles' size. This should increase the surface area of the gas dissolving into the water and theoretically improve the efficiency of nitric acid production.
Agreed, I packed my absorption column with HDPE pellets to increase the “hang time” of the bubbles. I used a long fritted gas dispersion tube to pump the gasses to the bottom of the column. Vastly improves efficiency. Also, add a second stage.
Excelent try!
You know man it's I remember watching your channel years ago and it's like you know the advancements you've made this form that you're now sucking nitric acid out of the freaking air congrats bro good job can you get that perfected that** nitric acid is expensive stuff
And chill the bubbler for better absorption of the nonmetallic oxide
You should be able to spread the spark out with magnets so more air can flow through the spark. That’s what B-E did
In principle you are correct but to much fanning out reduces the over all temp or maybe more accurately the btu of the arc . I tested a huge jacobs latter that did less gas production than a tiny arec so i decided not to bother with the magnets. The huge industrial units run at 15 megawatts so a fanned out arc by magnets in this case is very suitable
12v tesla coil to a solar panel. Sun shining = production. For more interesting high voltage generation a wimshurst generator powered by a 12v DC motor. Basically a DC to DC dynamo
A windmill wimshurst machine hmmm
I'm just leaving a comment with the actual name of the apparatus, Birkeland-Eyde reactor, so that when you search for the Birkeland-Eyde process, you might find this video. I hope the search algorithm looks at the comments.
That looks like a pretty air tight unit, how does fresh oxygen to be converted get in? Thank you.
Its coming from the excess o2 being injected . NO is a clear gas so we know the oxidation is over if we see brown NO2
I love the comment, like, completely happened more times than i can count, "i was going to do X, but... eh".
What metal did you end up using in the actual final electrodes?
Love the mad scientist vibes.
Stainless steel is the best because its a poor heat conductor . Tungsten is actually a great heat conductor and this is bad for us . We need 3000C or we only get ozone
@@NOBOX7 Oh, just stainless, great. Thought you sourced something esoteric and hard to get. Thanks!
can you make a 3rd video after this has been going for a while, and give some of the lessons learned about this setup and the do's and don'ts of this setup? i have been thinking about building something like this in order to make nitric acid, so i won't have to buy any for chemistry stuff.
Yes i was gonna do a 24 hr update
@@NOBOX7 so what kind of arc is this? what kind current\voltage? is there a specific frequency to it, or is it just standard mains going to a ratio change transformer?
@@NOBOX7 i remember you said the total power was 40 watts
I feel like I'm listening to Rico from Napoleon dynamite explained to me one of his plans to get rich.
Would some hydrogen peroxide cause the HNO2 to form HNO3 removing the heating step and improving yield?
Bump
That would be cool
have you looked into motorcycle and power sports spark plug made my ngk alot of them are non resistor type plugs as long as the part number doesnt have and R in it its non resistor.
BRO , you are the Man ... Thanks a million for this John
Bon john clark Jovi has saved the day
@@NOBOX7 your welcome just trying to do my part i enjoy watching your creations come to life
Yeah old tractors tend to use solid copper spark plugs as well.
Now, if only there was gold on my farm...😁.
This can be used to make fertilizer my friend
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There are a couple things clearly still missing in your setup which would significantly bump up the efficiency and yield. First of all would be pressurising the reactor, pumping in air at a minimum of 7 to 10 bar of pressure and preferably a lot more, as the higher pressure means more nitrogen and oxygen will be contacting the arc and thus produce more nitrogen oxides for the same amount of electricity. Seeing as you already have a steel (I assume stainless?) reactor that shouldn't be too difficult. And the other important thing is to add (electro-)magnets to your spark gap, in order to increase the surface area of your spark.
The industrial electrodes were water cooled, so maybe you could try that as well, perhaps even use tubular steel electrodes and coat them in a refractory metal to make them more resistant to melting/vaporising? You said tungsten didn't work because it formed oxides, which shocked me. Besides tungsten there are a couple other refractory metals with melting points above 3000 C as well, but they're a lot harder to acquire I would imagine. Rhenium for example has a melting point of 3186 C, however it's extremely rare and thus expensive. Maybe one of the other 2 remaining refractory metals with melting points over 3000 C, tantalum or osmium? Another thing to really take into account is the insane amount of power you need in order to produce any worthwhile amounts of nitrogen oxides. The industrial Birkeland-Eyde reactors would run at between 3 kV and 5 kV, at 1000 A, and even a very modest home-made one here on TH-cam still runs at 5 kW, producing 2 liters of 68% nitric in 12 hours. So you're going to have to pump a lot of electricity through your reactor if you want to make it worth your while. However I applaud your effort and your very decent set-up! I find it super interesting to see amateurs trying to recreate industrial chemistry at home, seeing how difficult it is and how much of it (especially the catalyst based industrial chemistry) is almost a sort of black magic.
I too was amazed at how poorly tungsten electrodes worked . The magnets are a no go , it doesnt help on low power arcs in fact my research shows it hurts your output fanning out an already cold arc . your points regarding pressurizing the device are spot on and a fantastic idea for an upgrade . that alone would probly give us a 10x increase in power .
Thanks for the input . Yes i have seen the large industrial designs that use magnets but during my electrode testing video we learned unless you have thousands of watts of power it doesnt help at all in fact it diminishes output . My consumption of hno3 allows for a machine that takes weeks . This machine will soon be getting 6 more electrodes and a 5 kw transformer
What strength is the nitric acid ?
3%
What using nitric for a
Stainless steel pickling and passivation . Also precious metal refining
Only Australians using °C 😂
Euros aren't into engineering videos apparently
I have several very good friends in Australia who are very much into the details of life
@@NOBOX7 Hey, we Canadians appreciate the C as well!
@@briandanay2487 Even the Brits do, except their tabloids apparently for weather forecasts when very hot weather is expected. Because using Fahrenheit will make it sound even hotter, and British tabloids love sensation!
Excellent video Bob, you're one of a kind man, always makes my day to see what you're up to. I remember a few years back I ordered a liter of very pure nitric acid, and a liters of other acids including sulphuric for the purpose of gold extraction, but when I looked into it (thank God I did) I found that information about it rusting everything, ruining components, and destroying your lungs. After that I gave up the gold refining idea 😆 That is until I saw an experiment where the guy dissolved copper sulfate into a nitric acid solution, soaked some paper towel with it, and lit it on fire... left behind pure copper metal as ashes. I wonder if that could be done similarly with: Nitratoauric acid, hydrogen tetranitratoaurate, or simply called gold nitrate is a crystalline gold compound that forms the trihydrate, HAu(NO₃)₄·3H₂O or more correctly H₅O₂Au(NO₃)₄·H₂O. This compound is an intermediate in the process of extracting gold. In older literature it is also known as aurinitric acid
Thanks for the input , youtube is shadow banning your comments ???
@@NOBOX7 Most likely
Very nice 😊