1970's

Sirosmelt lance invented by CSIRO
Mount Isa Mines lab tests at CSIRO 

1980's

First ISASMELT™ patent
Lead pilot and demonstration plants at Mount Isa
Copper demonstration plant at Mount Isa
Diverse testwork 

1990's

Commercialisation
Primary lead ISASMELT, Mount Isa, Australia
Secondary lead ISASMELT, Northfleet, UK
Primary copper ISASMELT, Arizona, USA
Primary copper ISASMELT, Mount Isa, Australia
Primary copper ISASMELT, Tuticorin, India
Lead and secondary copper ISASMELT, Hoboken, Belgium

2000's

Secondary lead ISASMELT, Pulau Indah, Malaysia
Secondary copper ISASMELT, Lunen, Germany
Primary copper ISASMELT, Kunming, China
Lead ISASMELT, Qujing, China
Primary copper ISASMELT, Tuticorin, India
Primary Copper ISASMELT, Ilo, Peru
Primary Copper ISASMELT, Mufulira, Zambia
Under construction – Primary copper ISASMELT, La Oroya, Peru
Under construction – Primary copper ISASMELT, Kazzinc