▎ 摘　　要

NOVELTY - In-situ purification device comprises purifying agent including oxidizing agent which generates active radicals for pseudo-fenton treatment for contaminants, and reduced graphene oxide (rGO) nanosynthetic material which is a composite of rGO and metal and serves as catalyst for generating active radicals, respectively. The device is used for purifying contaminants by injecting purifying agent into soil or groundwater contaminated by endocrine disrupting substances or medical substances, which are pollutants. USE - The method and in-situ purification device are useful for purifying endocrine disrupting substances and medical substances (all claimed). ADVANTAGE - The device increases adsorption power between specific surface area of catalyst and endocrine disrupting substances and medical substances which are effectively purified. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for in-situ purifying endocrine disrupting substances or medical substances, comprising (a) injecting purifying agent into original position, and (b) purifying contaminants through pseudo-Fenton treatment.