通过浮选试验研究了不同pH值下高密度细泥对各粒级低密度精煤浮选效果的影响,并结合粒度分析、煤粒表面的Zeta电位对试验结果进行......

Two biodegradable quaternary ammonium salts were synthesized and used as cationic collectors in processing iron ores by ......