Device and method for thermal treatment of fluorine-containing and noble metal-containing products

摘要

Device and method for thermal treatment of fluorine-containing and noble metal containinq products Abstract An ashing plant for enriching noble metals from fluorine-containing materials comprises: a thermal treatment chamber (1) having a refractory insulating lining on the inside of the chamber and an exhaust gas cleaning system, wherein the refractory insulating lining is resistant to hydrofluoric acid and the exhaust gas cleaning system comprises at least one thermal after incineration chamber (2), at least one or more acid scrubber(s) (3, 4) and at least one alkaline scrubber (5). a 4x Fig. 1