PROBLEM TO BE SOLVED: To provide an environment improvement material capable of adsorbing/decomposing heavy metals, radioactive substances and suspended substances from contaminated water or contaminated soil and capable of promoting growth of seaweed.SOLUTION: An environment improvement material includes ferrihydrite contained in a carrier. A treatment method for removing contaminated substances includes a step of performing operation for arranging an environment improvement material on the surface and/or inside of each contaminated substance and removing the contaminated substance, or a step of preventing outflow/inflow of the contaminated substances.COPYRIGHT: (C)2014,JPO&INPIT【課題】汚染水や汚染土から重金属、放射性物質、懸濁物質を吸着・分解したり、海藻類の生育促進を行う環境改善材を提供する。【解決手段】フェリハイドライトを担持体に含有させてなる環境改善材。【選択図】なし
