PURIFICATING AGENT FOR FLUE GAS AND INCINERATED ASH AND PURIFICATING METHOD USING THE SAME

摘要

A purificating agent comprising one or more salts selected from among alkali metal salts of silicic acid, fluoride ion, hydrogencarbonate ion and a water soluble alcohol or a derivative thereof. The purificating agent has an effect to remove or decompose a hazardous substance contained in a flue gas and an incinerated ash.