An anode refinement method for high-sulfur content coarse copper

摘要

#$%^&*AU2008261183B220130606.pdf#####ABSTRACT The invention makes public an anode refinement method for high-sulfur content coarse copper: while high-sulfur coarse copper liquid from flash converting furnace flows to the anode furnace through a chute, inert gas is continuously added, to make the copper liquid boiling and improve discharging of the SO2 produced from reaction of the sulfur with oxygen in the liquid and the oxygen absorbed from atmosphere, so as to remove more than 90% sulfur in the coarse copper liquid. After the coarse copper liquid is fully led to anode furnace, operations of low-oxidization and low-reduction, non-oxidization and lowreduction or cancel of reduction-oxidization is conducted according to sulfur content in the copper liquid. It can resolve the shortages in fire-refining process, save working time, notably improve production efficiency and capacity, save energy, and settle the pollution problem of black smoke on atmospheric environment.