磺化脂肪酸盐捕收剂的合成及浮选性能研究

ulphonated fatty acid salt surfactant synthesis and flotation study for fluorite

摘要:

以地沟油生物柴油为原料，通过氧化、磺化等反应，合成了磺化脂肪酸盐捕收剂。系统的研究了生物柴油氧化-磺化工艺条件。将合成的产品用于萤石纯矿物浮选实验，结果表明萤石的浮选回收率随pH值的增加而增加，当pH为9.06，捕收剂浓度为80 mg /L 时，回收率可达到97.13%。用于实际矿的浮选实验时，粗选回收率可达98.01%，高于萤石传统捕收剂油酸1.21%。

Abstract:

sulphonated fatty acid salt surfactants were prepared from the biodiesel production of illegal cooking oil by oxidation-reaction method. The optimal synthetic conditions were system introduced. Their flotation process performance for pure minerals and fluorite ore were studied.The result showed that the recovery of fluorite rise significantly with increase of pulp pH, when the pH is 9.06 and the collector density is 80mg/L, the recovery of fluorite is 97.13%.The results of bench scale -flotation indicated that by using sulfonated fatty acid salts as collector,the recovery of fluorite can reach to 98.01%,which is 1.21% higher than conventional collector oleic acid.