As for fine-grained Ta-Nb mineral, the flotation is generally adopted, and effective collectors is fatty acids, arsenic acids, phosphonic acids, hydroximic acids and cationics.

• 对细粒钽铌矿，一般采用浮选，其中比较有效的捕收剂有脂肪酸类、胂酸类、膦酸类、羟肟酸类和阳离子型捕收剂。