Method for Treating Metal-Contaminated Water and Soil

摘要

A method of reducing the leachability of metals of metal-contaminated soil, comprising the steps of: (a) preparing a mixture comprising: (i) lignin derivatives; (ii) coagulant comprising a metal salt, wherein said coagulant forms a complex with said lignin derivatives for scavenging said metals; and (iii) a composition for increasing the pH of said soil; and (b) blending said mixture with said soil to reduce the leachability of said metals in said soil.