Purification treatment agent and purification treatment method

The present invention provides a purification treatment agent and a purification treatment method which can simultaneously remove cadmium and fluorine contained in contaminated water or contaminated soil. The purification treatment agent is a purification treatment agent capable of simultaneously removing cadmium and fluorine from contaminated water or contaminated soil containing at least cadmiumand fluorine, and contains a metal powder composed of iron or an iron alloy, and a compound of alkali metal salt containing a carboxyl group or a carboxyl group. The purification treatment method isa method of simultaneously removing cadmium and fluorine from contaminated water or contaminated soil containing at least cadmium and fluorine, and has a step of bringing the purification treatment agent into contact with the contaminated water or contaminated soil. 本发明提供种可以同时除去污染水或污染土壤中包含的镉和氟的净化处理剂和净化处理方法。净化处理剂是可以从至少含有镉和氟的污染水或污染土壤中同时除去镉和氟的净化处理剂，其中，含有由铁或铁合金构成的金属粉、和含有羧基或羧基的碱金属盐的化合物。净化处理方法，是从至少含有镉和氟的污染水或污染土壤中同时除去镉和氟的方法，其具备使上