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新型阳离子捕收剂MZ-3的浮选与消泡行为研究
引用本文:朱晓园,梅光军,于明明.新型阳离子捕收剂MZ-3的浮选与消泡行为研究[J].金属矿山,2016,45(1):69-71.
作者姓名:朱晓园  梅光军  于明明
作者单位:1.武汉理工大学资源与环境工程学院,湖北 武汉 430070;2.湖北第二师范学院化学与生命科学学院,湖北 武汉 430205
基金项目:国家自然科学基金项目(51274158)
摘    要:为检验武汉理工大学相关课题组开发的新型阳离子捕收剂MZ-3在磁选铁精矿反浮选中的捕收性能以及消泡行为,以酒钢公司焙烧-弱磁选铁精矿为原料进行了选别和消泡试验。结果表明:①对全铁品位为49.98%的磁选铁精矿进行反浮选脱硅,在pH=7、温度为25 ℃、MZ-3用量为500 g/t、苛性淀粉用量为300 g/t的情况下1次粗选,可获得铁品位为57.01%、铁回收率为74.66%的铁精矿,较好地实现了铁硅分离。②与捕收剂M-302B、醚胺和十二胺相比,MZ-3不仅反浮选精矿产品指标好,而且消泡速度快。因此,MZ-3是一种捕收效果好、易消泡的新型阳离子捕收剂,有利于改善选矿厂的生产指标、提高系统的稳定性。

关 键 词:阳离子捕收剂MZ-3  反浮选  磁选铁精矿  泡沫

Study on Froth Characteristics and Flotation Performance of a New Cationic Collector MZ-3
Zhu Xiaoyuan,Mei Guangjun,Yu Mingming.Study on Froth Characteristics and Flotation Performance of a New Cationic Collector MZ-3[J].Metal Mine,2016,45(1):69-71.
Authors:Zhu Xiaoyuan  Mei Guangjun  Yu Mingming
Affiliation:1.School of Resources and Environmental Engineering,Wuhan University of Technology,Wuhan 430070,China;2.School of Chemistry and Life Science,Hubei University of Education,Wuhan 430205,China;
Abstract:In order to test the froth characteristics and flotation performance of a new cationic collector MZ-3 which was produced by Wuhan University of Technology in the reverse flotation of magnetic concentrate,selection and froth test was conducted on roasting-low intensity magnetic iron concentrate of Jiugang.Results indicated that:①Desilication by reverse flotation on magnetic concentrate with iron grade of 49.98% was conducted at pH=7,temperature of 25 ℃,MZ-3 dosage of 500 g/t,causticity starch dosage of 300 g/t,iron concentrate with iron grade of 57.01% and recovery of 74.66% was obtained via one-stage rough flotation.② Compared with collectors M-302B,amine,and dodecylamine,MZ-3 has characteristics of not only product produced is good,also defoaming fast.Therefore,MZ-3 is a new cationic collector with good collecting and foaming properties,and can improve the efficiency and stability of operations in concentrating mill.
Keywords:Cationic collector MZ-3  Reverse flotation  Magnetic iron concentrate  Froth
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