铌矿是一种稀有金属。钽(Ta)铌(Nb)都属于高熔点(钽2996℃、铌2468℃)、高沸点(钽5427℃、铌5127℃)稀有金属,外观似钢,灰白色光泽,粉末呈深灰色,具有吸气、耐腐蚀、超导性、单极导电性和在高温下强度高等特性。因此,当前钽铌新材料应用的相关高技术产业领域包括电子、精密陶瓷和精密玻璃工业;电声光器件;硬质合金,宇航及电子能工业;生物医学工程;超导工业;特种钢等产业。
对难分解的钛钽铌矿的酸分解工艺进行了试验研究。
Experiment is done on the acid hydrolysis of titanium-columbite-tantalite ore difficult to decompose.
目前钽铌矿的选矿多以重选为主,但重选法选别细粒钽铌矿的回收率非常低。
At present, most of Ta-Nb ores are processed by use of gravity concentration, with which the recovery of fine-grained Ta-Nb mineral is very low.
通过盈亏平衡分析,确定宜春钽铌矿盈亏平衡品位,提出黑斑矿的处理方案。
The breakeven grade of tantalum for Yichun Tantalum-niobium mine is determined by the analysis of the profit and loss, and the strategy on the black-spot ore exploration is proposed.
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