| 摘要 |
<p>Process for making sewage sludge ready for disposal, where the sludge contains at least 15 wt.% solids including at least 20 wt.% organic matter, comprises mixing the sludge with (a) a hydraulic binder and a pozzuolanic material in amounts sufficient to increase the solids content to at least 40 wt.% and the shear strength to at least 10 kN/m2> and (b) a complexing agent for binding heavy metals.</p> |
