The enrichment of boron in refractory low-grade paigeite was researched by the technology of reductive roasting, magnetic separation, and fine ore direct-tofurnace.

• 摘要采用还原焙烧、磁选工艺流程和粉矿直接入炉焙烧技术，对难选低品位硼铁矿中硼的富集进行了研究。