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Computer wire grading

| E-Waste Grading and Identification

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    samuel-a is offline Metal Recycling Entrepreneur
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    Quote Originally Posted by olddude View Post
    unless you can find an economical way to strip them. if you do let the rest of us know.
    Actually, there is a way. Pyrolsis.

    In a nut shell, this process involve heating the plastic (wires in this case) in an oxygen free environment (a SS reactor) to the point of evaporation, around 500-600 C.
    Distilling and condensing some of the gases back to fuel (e.g. diesel or other longer C chains) and burning the rest of the gases.
    What's left in the reactor is the metal wires + carbon black that can easly seperated by sifting.



    4 products are obtained: Clean wire, Carbon black, liquid fuel and combustible gases.

    I have experimented with this before, using a small pressure cooker and copper piping loaded with 1 pound of wires each time. The combustible gases fitted with a bubbler and burned under the reactor once the reaction had started... in a sense, this system is somewhat self supporting.

    I have never scaled up this process, mainly due to lack of room and supply of wires, but my estimates were and remains that the reactor should hold around 150-200 lb of high gague wires, and electrically heated.

    It takes some setup and there is a learning curve, but it can be an awesome thing to do and may be very lucrative assuming you find a use/buyer for the products.
    Last edited by samuel-a; 10-22-2011 at 04:30 PM. Reason: spelling
    Regards, Sam

    www.Goldnscrap.com

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