Anfani goolu Refractory awọn orisun goolu ni gbogbogbo le pin si awọn oriṣi akọkọ mẹta: Iru akọkọ jẹ arsenic giga, erogba, ati iru sulfur iru goolu.Ni iru yii, akoonu arsenic jẹ diẹ sii ju 3%, erogba akoonu jẹ 1-2%, ati sulfur akoonu jẹ 5-6%.Lilo cyan ti aṣa ...
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