| 摘要 |
A polysaccharide-containing adsorbent for the removal of heavy metal ions from an effluent which adsorbent has been manufactured from (1) A POLYSACCHARIDE-CONTAINING MATERIAL, (2) A BASIC, NITROGEN-CONTAINING POLYMER WHICH CAN BE ACYLATED, (3) A CROSSLINKING COMPOUND, WHICH IS DIFFERENT FROM COMPONENT (4), CONTAINING AT LEAST TWO REACTIVE SUBSTITUENTS AND, OPTIONALLY, (4) AN ALIPHATIC OR ARALIPHATIC CARBOXYLIC ACID CONTAINING A MOBILE SUBSTITUENT OR A MULTIPLE BOND WHICH IS CAPABLE OF UNDERGOING ADDITION. |
