New type of collector PA - 42 and de-pressor of carbonate gangue S711 developed by our institute havebeen successfully used in Dayukou phosphale rock proccssing.

• 我院研制的新型捕收剂pA-42和碳酸盐脉石矿物有效抑制剂S711，在大峪口磷块岩选矿中都有良好表现。