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Process and plant for processing environmentally harmful waste for storing in a dumping area in the from of hardened blocks provided with markings and hardened blocks containing environmentally harmful waste and being provided with markings
Process and plant for processing environmentally harmful waste for storing in a dumping area in the from of hardened blocks provided with markings and hardened blocks containing environmentally harmful waste and being provided with markings
A mixture of an environmentally harmful waste, a liquid medium, an aluminium silicate and/or an alumino-silicate, and a cement is hardened to blocks (14) for storing in a dumping area (16).;During hardening the blocks (14) are provided with a marking (9, 9′) indicating the type of harmful waste being incorporated in said blocks (14).;The alumino silicate is fly ash and the cement a Portland cement and/or a blast furnace slag cement.;A plant for processing an environmentally harmful waste comprises a medium feed pipe for liquid medium, means for feeding an environmentally harmful waste, a feed pipe (5) for an aluminium silicate and/or alumino-silicate, a binder feed pipe (3) for inorganic binder and a mixer discharge pipe (2), in addition to a dumping area (16) for storing environmentally harmful waste, the mixer discharge pipe opens out into a moulding station comprising containers (11) for moulding hardened blocks (14) and an endless belt (15) for coveying the blocks to a dumping area. The containers (11) for moulding said blocks are provided with marking forming means (12) for forming a marking (9, 9′) indicating the type of harmful waste in said blocks.
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