A geothermally powered tin production system includes a geothermal system with a wellbore extending from a surface into an underground magma reservoir. Geothermal energy powers systems and processes used to extract tin from a tin-containing starting material.

A geothermally powered tin production system includes a geothermal system with a wellbore extending from a surface into an underground magma reservoir. Geothermal energy powers systems and processes used to extract tin from a tin-containing starting material.

A geothermally powered tin production system includes a geothermal system with a wellbore extending from a surface into an underground magma reservoir. Geothermal energy powers systems and processes used to extract tin from a tin-containing starting material.

A geothermally powered tin production system includes a geothermal system with a wellbore extending from a surface into an underground magma reservoir. Geothermal energy powers systems and processes used to extract tin from a tin-containing starting material.

A method and an apparatus for recovering copper, bronze and lead by allowing methane gas to flow into a reactor and heat-treating a mixture of copper oxide, tin oxide and lead oxide under a temperature condition of 700-900 C. is disclosed. The method includes placing a mixture of copper oxide, tin oxide and lead oxide in a reactor, increasing the temperature inside the reactor, and allowing a reductive gas to flow into the reactor so as to heat-treat the mixture.

A method and an apparatus for recovering copper, bronze and lead by allowing methane gas to flow into a reactor and heat-treating a mixture of copper oxide, tin oxide and lead oxide under a temperature condition of 700-900 C. is disclosed. The method includes placing a mixture of copper oxide, tin oxide and lead oxide in a reactor, increasing the temperature inside the reactor, and allowing a reductive gas to flow into the reactor so as to heat-treat the mixture.

Disclosed herein is a method for reducing a metal oxide in a metal oxide containing precursor. The method comprises providing a reaction mixture comprising the metal oxide containing precursor and an aluminium reductant; heating the reaction mixture in the presence of solid or gaseous aluminium chloride to a temperature at which reactions that result in the metal oxide being reduced are initiated; controlling reaction conditions whereby the reaction mixture is prevented from reaching a temperature at which thermal runaway can occur; and isolating reaction products that include reduced metal oxide.

Disclosed herein is a method for reducing a metal oxide in a metal oxide containing precursor. The method comprises providing a reaction mixture comprising the metal oxide containing precursor and an aluminium reductant; heating the reaction mixture in the presence of solid or gaseous aluminium chloride to a temperature at which reactions that result in the metal oxide being reduced are initiated; controlling reaction conditions whereby the reaction mixture is prevented from reaching a temperature at which thermal runaway can occur; and isolating reaction products that include reduced metal oxide.

A method and an apparatus for recovering copper, bronze and lead by allowing methane gas to flow into a reactor and heat-treating a mixture of copper oxide, tin oxide and lead oxide under a temperature condition of 700-900 C. is disclosed. The method includes placing a mixture of copper oxide, tin oxide and lead oxide in a reactor, increasing the temperature inside the reactor, and allowing a reductive gas to flow into the reactor so as to heat-treat the mixture.

A method and an apparatus for recovering copper, bronze and lead by allowing methane gas to flow into a reactor and heat-treating a mixture of copper oxide, tin oxide and lead oxide under a temperature condition of 700-900 C. is disclosed. The method includes placing a mixture of copper oxide, tin oxide and lead oxide in a reactor, increasing the temperature inside the reactor, and allowing a reductive gas to flow into the reactor so as to heat-treat the mixture.