Actas de congresos
Metallurgical silicon refining by transient directional solidification
Fecha
2014Registro en:
Energy Technology 2014: Carbon Dioxide Management and other Technologies, San Diego
Autor
Lima, Moyses Leite
Martorano, Marcelo de Aquino
Batista Neto, João Ferreira
Institución
Resumen
Directional solidification is an essential refining step to obtain solar grade silicon from metallurgical silicon. This step can be carried out in a Bridgman furnace, where nearly constant temperature gradients and solidification velocieties are imposed on the solid-liquid interface.