abstract |
The waste material is leached with water and/or acid, pretreated with enzymes, decomposed with high C-contg. materials and/or chemicals (e.g. ZnCl2, K thiocyanate) and/or combined with inactive C and carbonised at 120-600 deg.C for 1-8 hrs. The reaction by-prods. are sepd. and used for burning. The prod. is ground, activated with steam and/or inert gas and shaped. |