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引言“碱法不脱泥锂辉石浮选流程”已经十多年的工业生产,证明其工艺简单,选别指标良好,给矿含 Li_2 O1.2～1.3%,精矿品位 Li_2 O6.0～6.1%,回收率88～90%,为分离锂辉石与绿柱石,我们研究过热裂(1050℃)—筛选、焙烧(600℃)—浮选、热煮(85℃)—浮选和常温浮选等多种方法,均获较好指标,有的已用于选厂取得了明显效果。尤其是采用三氯化铁和水玻璃“混合剂”与硫化钠、碳酸钠,氧化石腊皂,在通常条件下使绿柱石保持足够的可浮性,而锂辉石留在槽内,以达分离目的。从而制定了“绿柱石—锂辉石混合浮选一分离流程”,为综合回收经铍提供了一种新的途径。
Introduction “Alkali-free desilication spodumene flotation process” has more than 10 years of industrial production, to prove its simple process, good sorting indicators, to the mine containing Li_2 O1.2 ~ 1.3%, concentrate grade Li_2 O6.0 ~ 6.1%, and the recovery rate is 88-90%. For the separation of spodumene and beryl, we studied overheating (1050 ℃) -Screening, roasting (600 ℃) -flotation, Flotation at room temperature and other methods, were better indicators, and some have been used for dressing plant has achieved significant results. In particular, the use of ferric chloride and water glass “mixture” with sodium sulfide, sodium carbonate, paraffin wax, under normal conditions so that the beryl remains buoyant, and spodumene remains in the tank to Up to the purpose of separation. Thus a “beryl - spodumene flotation separation process” was established, which provided a new way for the comprehensive recovery of beryllium.