Microbial treatment of iron ...

Microbial treatment of iron

As others have stated iron is not regarded as a heavy metal. Furthermore it can be beneficial in wastewater treatment as it will complex with chemicals such as phosphorous which can be harmful to the environment. Media rich in iron is often found to be good as adsorbing P. So the iron may present an opportunity if you look at the bigger picture of overall treatment required and if it can bind to say sand in a constructed wetland it will assist in removing P.