| 摘要 |
PCT No. PCT/GB81/00187 Sec. 371 Date May 6, 1982 Sec. 102(e) Date May 6, 1982 PCT Filed Sep. 11, 1981 PCT Pub. No. WO82/00998 PCT Pub. Date Apr. 1, 1982.A method of processing waste material comprises treating the material with flue dust and bonding it to form a solid mass with cement powder, e.g. Portland cement. Acidic liquors containing heavy metals can be processed. Suitable flue dust is obtained from cement manufacture. |
