| 摘要 |
<p>2142841 9404290 PCTABS00030 Sludges and slurries (e.g. oil, grease or paint based) are encapsulated into Fly Ash or similar particulate material by adding solvents to effect the encapsulation and absorption of the sludge. Subsequently, the particulate material is heated to remove the solvent, leaving a dry powder which may then be used as a filler for various applications, production of breeze blocks.</p> |
