What carbon materials should I use to lower P & B in metallurgical silicon?

Raghd Muhi Al-Deen Jassim @Raghd-Muhi-Al-Deen-Jassim

12 May 2020 0 4K Report

I have to produce MG-Si with lower P & B content, I already use charcoal and coke but the P&B content is very high

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