The process of aluminum smelting in Taiwan produces a large amount of aluminum dross (~10,000 tons/year). Aluminum dross is prone to reacting with water to produce harmful toxic gases (ammonia, methane, hydrogen sulfide, phosphine) which is why this type of waste has always been a challenge to process. In order to provide a solution to this problem, the material is made by cooling and drying aluminum dross in a secondary aluminum smelting process to produce a desulfurization admixture used in the steelmaking process. In addition to increasing the reuse value of aluminum dross, combining the existing desulfurization formula with limestone can reduce the use of natural lime ore as well as improve the efficiency of the desulfurization process.more
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The process of aluminum smelting in Taiwan produces a large amount of aluminum dross (~10,000 tons/year). Aluminum dross is prone to reacting with water to produce harmful toxic gases (ammonia, methane, hydrogen sulfide, phosphine) which is why this type of waste has always been a challenge to process. In order to provide a solution to this problem, the material is made by cooling and drying aluminum dross in a secondary aluminum smelting process to produce a desulfurization admixture used in the steelmaking process. In addition to increasing the reuse value of aluminum dross, combining the existing desulfurization formula with limestone can reduce the use of natural lime ore as well as improve the efficiency of the desulfurization process.