Arsenical gld ore is one kind of the most refractory ores. 砷金礦石屬於難處理金礦石之一。
The practice has shown that this technology is very effective to recover the gold from quartz-phyllite type gold-bearing ore with low sulfur. 生產實踐證明，採用該工藝從石英脈一千枚岩型低硫含金礦石中回收黃金是非常有效的。
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