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این فلز و آلیاژهای آنرا که حاوی مقادیر زیادی از مس باشند، برای دستیابی به خلوص بیشتر، بازیافت میکنند. فلزات را به کمک حرارت دادن با هوای غنی از اکسیژن، ذوب میکنند. با این کار، بیشتر فلزات به جز مس و فلزات گرانبها اکسید میشوند و تشکیل سرباره میدهند که میتوان این سرباره را خارج کرد. روش ایساسملت که در بالا توضیح داده شد، معمولا برای تولید ثانوی...
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یک پیام ارسال کرد