| abstract |
The present invention provides a harmful substance collecting material capable of collecting many harmful substances quickly and efficiently regardless of the type. SOLUTION: A harmful substance collecting material containing calcium ferrite hydrate and / or heat dehydrated product thereof. The hazardous material collecting material of the present invention is a lot of harmful substances such as chromium, selenium, arsenic, fluorine, boron, nitrate nitrogen, and phosphorus, which are discarded from the chemical industry, electronics industry, medical facilities, and various research facilities. Therefore, it is suitable for collecting harmful substances contained in soil and sewage containing various harmful substances. [Selection figure] None |