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在实验室条件下研究了调军台选厂尾矿库回水中可能含有的淀粉、石灰、氢氧化钠和RA-315对齐大山铁矿浮选的影响．结果表明，影响齐大山铁矿浮选过程的主要因素是回水的pH值，其他药剂的存在也有一定的影响；但经过调整捕收剂石油磺酸钠的用量可以消除其影响，而不需对该选厂尾矿库回水进行特殊处理即可作为选厂浮选用水．
The effects of starch, lime, sodium hydroxide and RA-315 alignment on the flotation of the Dashan Iron Mine, which may be contained in the backwater from the tailings pond of the Tunjun Station, were studied under laboratory conditions. The results show that the main factors influencing the flotation process of Qidashan iron ore are the pH value of backwater and the existence of other chemicals. However, after adjusting the amount of sodium petroleum sulfonate, the effect of collector can be eliminated, Special treatment of tailings pond backwater at the plant can be used as flotation plant water.