Company MEPS, s.r.o. is a patent representative of solutions to remove zinc (Zn), lead (Pb) and cadmium (Cd) from steelmaking dusts and sludges on the territory of Slovakia.
Patent is solved in cooperation with Czech and Austrian investigators.
Patent solution relates to technology and equipment for the refining of metal waste, which are unsuitable for direct processing in a blast furnace and other aggregates for the production of steel.
Experiments have shown:
simplicity and reliability of the method of processing waste in a rotary kiln,
reliably achievable dezincification of 95% - 100% according to predetermined requirements;
great use in reducing carbon and iron oxides of zinc and lead,
very good use of energy,
reliability of the method of processing in a rotary kiln for the general chemical composition of inputs from the blast furnace to the BOF sludge,
method is effective,
method is simple in construction,
method is modularly organized,
in the method are minimal problems with foaming slag,
patent has high efficiency,
methodology requires only minimal preparation of charge,
patent provides high efficiency for zinc removal,
patent solution offers a simple extraction of gases with very high content of ZnO, PbO, CdO.