| 摘要 |
1. A process for the disposal of industrial sludges by use of cement, characterised in that they are mixed in a proportion by weight of from 10 : 1 to 1 : 10 with coarse-grained to fine-grained powders or sludges, consisting of proportions by weight of about 2 : 1 to 1 : 2 of acid sludges, acid tars and/or acid oils on the one hand and of an oxide mixture containing predominantly iron oxide on the other hand, following which the resultant mixture while forming a mortar-like mass is mixed with a cement. |
