| 摘要 |
<p>The invention concerns an adsorbent material selective with respect to metal pollutants, characterised in that it consists of particles with predetermined size grading less than 3 mm, of a feldspar ore of natural origin: its mode expressed in mass percentages is as follows: albite ⊃50 %, anorthite ≥6 %, orthoclase ⊃10 %, quartz ∫20 %, with a percentage of Na2O ≥6 %.</p> |
