本文是日前在选矿技术会议席上的讲演提要。这里必须向读者特为声明并且请为谅解的是:我的原意本拟多引证一些关于苏联的实际例子,无奈苦于找不到什么资料,因此,不得已才采取了日本及美国的例子。什么是浮游选矿当中的最大问题呢?要答覆这个问题,还是由经费方面来观察比较容易瞭解;因此,我们不妨先由这方面举个实例来 This article is a few days ago in the mineral processing technology conference speech summary. It must be specifically stated to the reader here and it is for understanding that my original intention was to cite some practical examples about the Soviet Union, but it is no use that no information can be found. Therefore, the examples of Japan and the United States have to be taken. What is the biggest problem in floating mineral processing? To answer this question, it is still relatively easy to understand from the perspective of funding. Therefore, we may wish to give an example in this regard