| 摘要 |
<p>PCT No. PCT/GB93/01757 Sec. 371 Date Apr. 5, 1995 Sec. 102(e) Date Apr. 5, 1995 PCT Filed Aug. 18, 1993 PCT Pub. No. WO94/04290 PCT Pub. Date Mar. 3, 1994Sludges 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, including production of breeze blocks.</p> |
