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高梯度磁选技术,具有能产生高磁场梯度(10~7G/cm数量级)的聚磁介质(一般为钢毛)和先进的螺线管磁体结构这两大特点。这项技术对于脱除有用矿物中弱磁性微细颗粒甚至胶体颗粒效果十分明显。七十年代初,美国高岭土工业首先成功地应用这项技术,继而,英国、日本、西德、捷克和苏联等国高岭土精制工业也先后引进或采用这项技术。由于这项技术的应用具有较
High-gradient magnetic separation technology has two main features of a magnet-collecting medium (typically steel wool) that produces a high magnetic field gradient (on the order of 10 to 7 G / cm) and an advanced solenoid magnet structure. This technique is very effective in removing weakly magnetic fine particles and even colloidal particles in useful minerals. In the early seventies, the kaolin industry in the United States first successfully applied this technology. Then, the kaolin refining industry in Britain, Japan, West Germany, the Czech Republic and the Soviet Union successively introduced or adopted this technology. Due to the application of this technology has more