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rust removal by electrolysis
Found this website that uses common house hold soap and a battery charger for rust removal . Any body ever tried it? Site claims it to be environmentally safe and easy and cheap..
http://antique-engines.com/electrol.asp |
Re: rust removal by electrolysis
Yes. I use it allot.
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Re: rust removal by electrolysis
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A 69 camaro hood that was laying on the ground for years. Made a wooden box big enough. Soaked it over night and just pressure washed, treated the metal and painted.
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Ha! I didn't know that electrolysis of H2O would remove rust from steel. I wonder if the electrolyte can contaminate the metal causing adhesion problems for the paint?
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I never would of thought of that, I will be trying that ASAP.:metal:
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I will be giving that a shot first thing this spring. When the temperature stays above freezing.
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now we just need a box big enough to fit a whole 60-66 cab in!:lol:
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Kiddie swimming pools work well and the left over water is great for your lawn.
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Re: rust removal by electrolysis
I may have to try this...
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Re: rust removal by electrolysis
Folks:
The Stovebolt site has a lot of information on this process. See here: http://stovebolt.com/techtips/rust/e..._derusting.htm The one disappointment that I had in the process is that it only seems to work on the outside of the part. I was doing a door and could have blasted the outside, but tried the electrolysis since I was hoping to get some removal on the inside that would have been difficult to blast. Unfortunately, the electrolysis process doesn't work there. The reaction only removes rust that is on the surface facing the electrode. Hope this is helpful. Regards, Steve New Orleans |
Re: rust removal by electrolysis
Yep been doing that for years. good for some parts. The process can affect the part by causing embrittlement of the steel due to the method. Hydrogen can make the steel more brittle. I wouldn't let that stop you though never had a problem doing it. In aluminum treating they call it desmutting. We have tanks and heaters set up to do that to.
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I made a set up after work today put the bed mount brackets and the results are awesome after ~3 hours.
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Re: rust removal by electrolysis
Thats a good article. Thanks for the info. :metal:
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Great info...thanks for sharing.
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I have a question: Will paint act as a resist, or does the electrolysis act under the paint?
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I am glad to see actual proof of woking on larger parts. The demos I have seen have been on small parts. Good info, I will have to try this process.
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Be creative with your anodes because the currant travels (kinda) in the line of site. Dennis |
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But where to find a charger these days that doesn;t have the short out safety built into it,I tried it with a new one and I figured that's why it didn't work
Also I have read 2 amps maximum and on another write up I read 6-10 amps?? T |
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I, too, have read conflicting discussions as to the amps needed, I just let my battery charger decide. |
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Thanks Larry
I'm going to give it another try T |
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Clamps can be in the water. Wont short out, but they will corrode over time. I use a pair of vice grips and clamp to the part. leave part of the handle stick out of the water and clamp your charger to that. Just dont let your part that your derusting touch the anode steel or it will piss off your charger and your wallet.
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I did this with a set of cast iron exhaust manifolds recently, turned out great! One trick is to have multiple anodes all wired up together surrounding the part. That takes care of the "line of sight" issue by having multiple lines of sight! Similar to what this guy did.
I let my charger run at the minimum setting, 2 amps, and it worked fine. |
Re: rust removal by electrolysis
:fb: Maybe someone can help me with what went wrong. I am using a 25 gallon vinyl cotainer. Made 4 electrodes out of rebar, cleaned them and placed them around the inside of the barrel. Used washing soda, 1/2 cup per 5 gallons. Connected all my electrodes in series with wire. Lowered the hood springs careful not to touch the electrodes or bottom of barrel. Hooked up the pos to the electrodes and neg to the hood spring and turned on the charger. I read where I should see bubbles forming on the hood spring, well that did not happen. I could not visibly see any action on the part. Is my charger set at 12volts at 15 amps too small for my 25 gallon tank? Or did I do something wrong?
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