摘要 |
<p>PCT No. PCT/GB93/01485 Sec. 371 Date Jan. 13, 1995 Sec. 102(e) Date Jan. 13, 1995 PCT Filed Jul. 14, 1993 PCT Pub. No. WO94/02210 PCT Pub. Date Feb. 3, 1994A method is described which allows two hazardous waste products, namely PVC and electric arc furnace dust, both of which have negative commercial value, to be combined to produce an iron oxide suitable for steel making and making pure cadmium lead and zinc and chlorine, all of which can be sold. The heat generated during the exothermic reaction may be used to generate electricity which may be sold or used in plants where the reaction is carded out. The method can also be used for metal scraps.</p> |