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1.In this process the iron is scrap iron or sheet iron from machine factory and activated carbon can be replace by coke and flue powder, so the significance of this process is making use of waste circularly.
工艺中的铁粉取自工厂的废铁屑或者铁刨花,活性炭可以用粉煤灰或焦碳代替,具有“以废治废”的意义。收藏指正
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