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At present, most of the furnace ash, converter ash and fly ash discharged from China's industrial wastes are stacked or simply treated. In fact, these waste ash contains a great value of use, if properly disposed, can become superior performance of industrial additives. Full recovery and utilization of the resources and energy potential, the solid waste of metallurgy into valuable materials, metallurgical enterprises to achieve zero waste ash emissions, resource regeneration, waste for sustainable development of the innovative industry.