A METHOD OF REMOVING HEAVY METALS FORM SOIL, SLUDGE, COMPOST AND SIMILAR MATERIALS

摘要

A method of removing heavy metals from soil, sludge, compost and similar materials comprising treating the heavy metal containing material with an agent forming a complex with heavy metal ions so as to form a product consisting of a solid phase and a liquid phase containing a heavy metal complex, separating off the obtained liquid phase and treating the liquid separated off with an ion exchanger so as to bond heavy metals onto the ion exchanger.