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介绍变压吸附制氧和富氧浸出金银的原理、设备和优点，列出三个厂应用该设备后所取得的圆满结果，指出变压吸附制氧机组在金银提取上极具推广价值
The principle, equipment and advantages of PSA and oxygen leaching of gold and silver are introduced. The successful results of the three plants after the application of the device are listed. It is pointed out that PSA unit is very valuable in the extraction of gold and silver