Iron Particles for Purifying Contaminated Soil or Ground Water, Process for Producing the Iron Particles, Purifying Agent Comprising the Iron Particles, Process for Producing the Purifying Agent and Method of Purifying Contaminated Soil or Ground Water

摘要

The invention process comprises a mixed image on the α-Fe phase and Fe ₃ O _4, and, BET specific surface area of 5 to 60 m ² / g, Fe content of the soil and not less than 1000 ppm or more and an S content of 75% by weight of ground water purification as iron particles, soil, or aliphatic organohalogen compounds contained in the underground water, the aromatic organohalogen compounds and (or) heavy metal, effectively the harmful substances including a cyan, continuously, solidifying also economically decomposition or insoluble, organic halogen compounds and (or) relates to a soil or ground water of the purifying iron particles contaminated with harmful substances, including heavy metals, cyanogen, etc. ; Iron particles for purifying soil or ground water, a cleaning agent, organohalogen compounds, heavy metals, cyanogen