The present invention relates to methods for leaching products from source materials, especially combustion products from fuels including coal, bitumen, coke, oil, and other fuels that produce an ash such as flyash, bottom ash, etc. that have valuable components including minerals, precious and other metals, compounds, and the like using functional electrolytic water. The methods may produce other products, some of which are used in a process integrated into the pollution control equipment of a power plant.