Patent research at the granular filter material in the removal of iron from water

This article presents the results of a patent search on the topic granular filter material for iron removal of water. A patent search was carried out by class: B01D 24/00 «Filters containing granular filter material, t. e. the filter material without any binder between the individual particles or fibers», C02F 1/00 «Water treatment, industrial or domestic wastewater», CO2F 1/28 «Water treatment, industrial or domestic wastewater by sorption», CO2F 1/64 «Water treatment, industrial or domestic wastewater removal of specific dissolved compounds of silicon, compounds of heavy metals, iron or manganese».