extracting copper using electrolysis?
825689
CuCO3 + H2SO4 --> CuSO4 + CO2 + H2O\n\nCu(OH)2 + H2SO4 --> CuSO4 + 2H2O\n\nFor the electrolysis:\n\nCuSO4 = Cu+2 (aq) + (SO4)-2 (aq)\n\nCu+2 (aq) + 2 e-1 --> Cu (metal)
724749
sorry i dont really know, but a kit designed for extraction might work o.k. I'm guessing that you have tried regular high salt or phenol based methods and these have not been successful, perhaps repeating the extraction protocol on the resulting product may help.\n\nhad to laugh at the above answer, clearly has no idea but has got the hang of copy and paste!
748939
I assume you are talking about extracting the Plutonium and Uranium 235 from the spent fuel currently stored in casks and storage pools.  Yes, it is feasible to cull these isotopes from the waste fuel, and use it to make new fuel to place back in reactors to make electrical power.\n\nThe spent fuel currently stored in casks generate very little heat outside the cask and not enough in the casks to be a practical source for electrical generation.
201351
The electrode part doesn't matter. All you need is a strip of copper wire and a strip of zinc. These are easily found at a hardware store.
929154
copper can't produce electricity. it conducts electricity
978387
You should have gotten elemental copper via the following equation:\n\n3CuCl2 + 2Al ---> 3Cu + 2AlCl3\n\nThe water is not part of the reaction.
748391
Current scrap copper prices can be obtained at Demolition, Scrap Metal and Salvage New - http://www.demolition1.blogspot.com\n\nThe blog posts prices on all types of scrap metal including copper, brass, steel, aluminum, ferrous and non ferrous metals
74516
Well i am also of the age sixteen.I am studying grade twelth from india.I will explain to you it easily.Copper is extracted from Copper pyrites.(CuFeS2).it is kept in a reverberatory furnace and heated.i.e smelting process.By this process u can remove all the impurities with the ore.The impurities are Sulphur,phosphorus etc.I can give all the equations but it will be very long.if u want more about this please mail to me.piks_14@ayhoo.co.in.i can help u a lot.My father is a chemistry scientist and working in IIT india.if u want more information i will give u.
748872
Cu2+ (aq)  +  Zn (s) -->  Cu (s) + Zn2+ (aq)
100245
i think your talking about copper plating which is done by adding an electrical charge to the metal and the copper somehow clings to the metal
415111
It is done with an apparatus called a Downs Cell. It's a specially designed electrochemical cell which can electrolyze molten CaCl2 to produce elemental Ca and Cl2. It's also the same apparatus used to produce metals such as Na and Mg.
24810
Cu + 2H2SO4 --> 2H2O + SO2 + CuSO4\nDouble the H2SO4 and the H2O.
566694
i would imagine you'd have issues with electrochemical reactions between the copper and the various heavy metals in the tailings.  This of course is completley dependant on what is contained in your specific tailings, and what the concentrations of these metals are.  Overall, talk to an engineer familiar with the site for more details
789964
The best way I know how to do it is through electrolysis.  I don't think just heating it up will work; that will just cause the water to boil.
446103
Part A\n\nReduction: 3e^- + 4H^+ + NO3^- = NO + 2H2O    Eo = \nOxidation:                 Cu  = Cu^2+ + 2e^- Eo =\n\nMultiply the reduction half equation by 2 and the oxidation half equation by 3 (so that you have 6e^- in both) then add together to get:\n\n3Cu + 8H^+ + 2NO3^- = 2NO + 3Cu^2+ + 4H2O\n\nNow Eo cell = Eo cathode - Eo anode = 0.96 - 0.34 = +0.62V\n(Note: you do NOT multiply the Eo values by the number of electrons in the half equations because Eo is a voltage, measure of electrical pressure.\n\n\nPart B\n\nThe Nernst equation can be found at:\n\nhttp://www.science.uwaterloo.ca/~cchieh/cact/c123/nernsteq.html
125282
Most efficient? If you don't have a lab, then I would assume just doing your best at grinding off the top layer, and trying to melt the shreddings down into a >70% gold alloy. Since gold's melting point is OVER 1000 degrees Celsius, I suppose your best bet is to heat the grindings as much as possible, and then pounding them together into a single mass (like a black-smith...or 'gold-smith'). But you have to realize HOW LITTLE gold is actually on there. The layer is so thin...sometimes merely 2-3 micrometers. You're gonna get a lot of impurities, such as nickel and copper. Gold-plating is usually done on copper or silver; and in the case of copper, a thin layer of nickel is placed below the gold. And since the melting point of nickel isn't that far from that of gold, and copper's is almost EXACTLY that of gold's, you're gonna get a random mixture of crap. I imagine the process is more trouble than it's worth. I'd just go buy gold from alfa aesar or somewhere like that for cheap-as-free.
634708
The process of recovering gold from electronics circuits is relatively simple, but also quite expensive to set up.\n\nEquipment required includes a DC power source capable of delivering several amperes of current at approximately 12 to 100 VDC.  ( A DC Arc Welding Power supply will work well here. )\n\nThen the material containing the gold to be extracted must be crushed.  Crushing multi-layer fiberglass circuit boards is difficult, but it must be done to expose as much of the gold as possible.\n\nA solution of water and some Gold Salt should be mixed.  Gold Sulfate is probably the cheapest, but it is STILL very expensive.  The solution should be in the range of 0.5 gram per litre.\n\nObtain a tank or container made of conductive metal.  Copper is best.  Place the crushed material in the tank,\nPour in the Gold Salt solution until crushed material is completely covered. Attach the POSITIVE anode of the power supply to the tank.  Attach the NEGATIVE cathode of the powersupply to a small piece of gold wire or gold goin or jewelry ( Just a seed to get the thing started . ) And immerse this negative lead in the solution, being careful NOT to let it touch the tank or the crushed material.\n\nTurn on the power...And walk way...The Gold from the crushed material will be 'deposited' on the Cathode gradually over time.  The more current you are able to safely supply without burning something up, the faster the process will be.