TILES

Tiles have been produced from spent pot liner after oxidizing the same at high temperature to remove fluoride and cyanide content and burning out carbon value to obtain a vitrified mass which was later mixed with glassformer like soda-lime-silica glass collect, fly ash from utility boilers, incinerated ash lime stone, gypsum, silica sand and nucleating agents like titanium dioxide, zirconium oxide, phosphates, fluorides, etc.