Figure 7

Volumetric and planar figures of the influence of the amount of coal and quartzite on the degree of extraction of silicon into the alloy: (a) 1600 °C, (b) 1700 °C, (c) 1800 °C, (d) 1900 °C.

Volumetric and planar figures of the influence of the amount of coal and quartzite on the degree of extraction of silicon into the alloy: (a) 1600 °C, (b) 1700 °C, (c) 1800 °C, (d) 1900 °C.