Patent ID: 10913665

Abstract:
A filtering medium for removing the content of contaminants in fluids, wherein said filtering medium includes an acid-washed iron-based powder, wherein the acid-washed iron-based powder is formed by washing an iron-based powder in HCl, wherein the BET surface area of the acid-washed iron-based powder is at least 1.2 m2/g, wherein the acid-washed iron-based powder has a Fe content of at least 90% by weight. And, a method for reducing the content of contaminants in fluids including the steps of: a) providing the filtering medium, b) bringing one or more contaminated fluid(s) in contact with the filtering medium to reduce the content of contaminants in said one or more fluid(s), c) optionally removing the filtering medium from the one or more fluid(s) with a reduced content of contaminants.