ADSORBENT, SEALING LAYER AND USE OF THE ADSORBENT FOR IMMOBILISING HEAVY METALS

摘要

The invention relates to an adsorbent for immobilising heavy metals, containing a complex of smectite, aluminium hydroxide and phosphate, to a sealing layer containing a mixture of this adsorbent, sand and clay, and to the use of this adsorbent for cleaning soil contaminated with heavy metals.