agente de tratamento e processo para produção do mesmo, e método de tratamento

摘要

Disclosed are a treatment agent and a treatment method which enable the removal of fluorine contained in a liquid waste in a simple manner and with high efficiency. Specifically disclosed are: a treatment agent which is characterized by comprising calcium hydrogenphosphate dihydrate (A) and particles (B) that carry calcium hydrogenphosphate dihydrate (A); a treatment method which is characterized by comprising a step of bringing a fluorine containing liquid to be treated into contact with the treatment agent to remove fluorine contained in the liquid; and a treatment method which is characterized by comprising a step of mixing a fluorine-containing soil with the treatment agent to insolubilize fluorine in the soil.