The carboxylic acid collector is the predominant one for its low price and the good performance of flotation in low temperature improved by surfactants as synergist.

• 其中羧酸类捕收剂由于低廉的价格,并采用表面活性剂为增效剂,提高了油酸钠或氧化石蜡皂的低温浮选性能,所以羧酸类捕收剂仍然是未来磷矿的主要捕收剂。