This research aims to study the appropriate conditions of copper adsorption (2) in the waste water from coal are produced by man from biological materials, kamman is a charcoal crust bananas by guiding the banana peel and slice into small pieces and then remove to remove a sun dried and then baked to a temperature of 700 degrees Celsius for a period of 1 hour then take it out, grind to a powder, and then use a copper adsorption (2) from synthetic wastewater kamman in charcoal. A study by p. h. Touch time and concentration of aqueous solution Then analyze the bizarre performance for iodine
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