The invention more specifically relates to a heavy metal removal is related to a method of using the method for manufacturing a coated steel starfish, the iron and the iron coating starfish starfish coating prepared by the above method for producing a heavy metal scavenger.; According to the invention, because the using a starfish remove heavy metals should solve the problems of starfish that damage to farm has the excellent effect that makes it easy to remove the heavy metal contamination of waste water at the expense of cost.
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