sbm how to melt manually gold dustRecovery of gold from polishing dust,sweeps floor or dirt, First you put all the dust in a lot of water,eg,if you have 1 4 of a 4 gallon container of dust you need to fill the whole container with water You add some laundry detergent and stir it well The gold and other heavy metal will sink to the bottom You then pour the water out …Web