Making a graphite substrate lead dioxide anode l for Chlorate cell & Gold recovery
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- Опубліковано 6 жов 2024
- Making an inert anode, Graphite substrate lead dioxide anode for chlorate production process and for gold recovery from gold plated pins in copper cell or reverse electroplating.
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What a wonderful video! i love it so much but You made it to product chlorate which I find too much work, what about evaporating bleach to make sodium chlroate, wouldn't it be nice to use it instead?
That's right but the yield for evaporating bleach is very low
This can make 150 grams of KClO3 in 20 hours with just one electrode. The electrode will last months if used properly (max 300mA/cm2)
You can use MMO electrodes for chlorate production, even for bromates and they are not very expensive and everywhere to find nowadays. A big advantage, they are not as toxic as lead dioxide.
@SciDOCMBC Seems cool... I need to give it a try.
thanks for the subtitle .....
👍🏻👍🏻
Love you did this, hate that it's a robot voice. I wanted to shout at the screen when I heard "leed nitrate"
Thank you my friend, unfortunately at the time i had no choice but to use a robot voice over. Sorry
Looks like a palm tree 😊
Great job bro 🌹🌹🌹🌹👍❤
Thanks brother 🙏🌹
I am curious why you chose ti adjust pH so low to run the deposition? I have dabbled with these and find i can get a very good coating on Ti mesh, +18-20gr , at about pH 5-5.5. The pH will tend to go lower and lower on its own as the cell is creating nitric acid as it deposits Pb/Cu, and i found putting some lead shavings or sinkers in the cell helps maintain equilibrium and pH. I like ti run these lower current, 2-4 amps at 5.5 volts and found a 40 watt solar panel works nicely.
Here is the main reason:
Acidifying the solution ensures the appropriate conditions for the electrochemical deposition of lead dioxide on the graphite anode. The acid medium helps in the oxidation of Pb²⁺ ions to Pb⁴⁺, which then deposits as PbO₂ on the anode.
I've never seen any success in coating Ti with PbO2 through the electrodeposition process interesting....
What about titanium lead doixide anode for the next video....
Really needed . I need to make some ..
Very cool video 😎
Thanks 🙏
Needs to be tested in O2 evolution environment as even bare copper or steel works fine as substrate in NaCl electrolysis up until NaClO4 starts forming.
Test in Na2SO4 or NaClO3 or NaClO4 to check viability.
Thanks for the advice 🙏 I'll use it in the next video to make some chlorates . Or maybe make some more anodes to be tested in lab grade perchloric acid.(Ph should be adjusted around 7-8 i guess?!)
@@PickyPlans these work at wide range of pH and tolerate a lot of conditions. I have tried for a long time to get graphite substrate to work and the worst part is it's fine in chloride but fails in chlorate/perchlorate electrolyte. Then I changed to DTO on Ti and never had problems since.This I attributed to interface oxidation of C into CO2 at high current density of 150ma/cm² but below 80ma/cm² graphite substrate PbO2 is totally fine but 150ma/cm² is needed to generate radicals which makes perchlorate.
Great ! I'll make some with thicker coating and will test them in these different conditions .
How about platinum plated titanium?
@@PickyPlans it failed after a day so it seems it doesn't like bonding to it for some reason. ATO is so easy to make either way.
Can i replace the cooper and lead nitrates with acetates? I don't have any other soluble salt of lead (excuse my english)
I've never tried ... it could probably affect lead dioxide crystals. So i made those myself by dissolving metals in the acids.
I have no nitric acide i have only lead nitrate and copper sulfate and sodium hydroxide please how to make this ingredients to graphite substrate lead dioxide anode
So Make some... Poor man's nitric acid
You'll need it to adjust Ph...
Don't use Cooper sulfate, it will precipitate lead sulfate.
Why do KCl solution turned brown 😢?
Because the graphite rod used as the cathode had contamination from the chromium plating bath .
@@PickyPlans Woah, I tought it was some compound of lead, because I tried before other methods and always ended with a weird PbO2 and a toxic and weird Brown solution of chlorides.
Anyways I Will try your method.
Great work bro, awesome. 🎉🤙
Thank you!