| 摘要 |
<p>Detoxification of residues or concentrates from finishing processes e.g. ion exchange, electroplating Particularly those containing cyanide, chromate, nitrite and metal hydroxides, in which the concentrates or regeneration products are mixed and neutralised and preferably made alkaline, and thereafter dewatered and fused with additives to form a product harmless and corrosion stable in natural ground water.</p> |
