It is found that wollastonite has a high solubility in the concentration of calciumions,calcium ions are able to interact with tannic acid.

• 结果表明:矿浆中硅灰石溶解下来的钙离子组分能与单宁酸发生化学反应。揭示了单宁酸对透辉石选择性抑制机理。