what is a vertical fire clay retort - Chemistry - General Principles and Processes of Isolation of Elements

Question

what is a vertical fire clay retort

Priya G N · Accepted Answer

Vertical fire clay retort is a straight or vertically built retort
of fire clay bricks in which the reduction or the smelting process
of the ores takes place during extraction of ores In the extraction
of zinc, the roasted ore is made small pieces along with coke or
coal is heated in this vertical fine clay retort along with
producer gas, where ZnO is reduced to Zn

Vertical fire clay retort used in the reduction of ZnO to Zn
metal