| 摘要 |
<p>A DETOXIFYING AGENT FOR USE IN DISPOSAL OF NOXIOUS WASTES THAT IS CONDUCTED BY SOLIDIFYING THEM WITH CEMENT,CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION WHICH COMPRISES AS MAIN COMPONENTS (A) SMALL-SIZED METAL CATIONS WHOSE 6-COORDINATION IONIC RADII ARE LESS THAN 100 PM, (B) MEDIUM-SIZED METAL CATIONS WHOSE 6-COORDINATION IONIC RADII ARE BETWEEN 100 PM AND 140 PM, AND (C) LARGE-SIZED METAL CATIONS WHOSE 6-COORDINATION IONIC RADII ARE IN EXCESS OF 140 PM. THIS DETOXIFYING AGENT CAN PROVIDE CEMENT-SOLIDIFIED MATERIALS HAVING HIGH STRENGTH,SUBSTANTIALLY FREE FROM EXUDATION OF TOXIC SUBSTANCES SUCH AS HEAVY METALS, PCBS AND DIOXINS.</p> |
