High Level Metal Ferro Silicon Aluminum

The volume method was used to determine the content of aluminum in ferro silicon aluminum at pH 5.8, EDTA as the complexing agent, xylenol orange as the indicator, and tartaric acid and lead salt were added to the drop. The method has the advantages of simplicity, speed, precision and accuracy.

1.The research and analysis results show that the ferro silicon aluminum alloy can replace pure aluminum as the reducing agent, and the reaction temperature of the thermal magnesium smelting can be greatly reduced. When the aluminum content is unchanged, the activity of aluminum-silicon-ferro-aluminum can be increased by replacing part of the silicon with iron.A method for producing aluminum-ferrosilicon alloy with fly ash as raw material, which belongs to the field of metal materials. The characteristic of this method is that fly ash is used as raw material, coal slime and petroleum coke are used as reducing agents, fly ash is 50~70%, coal slime and petroleum coke are 20~40%, and 5~8% waste paper slurry, 4~6% water and 1%~4% barium-calcium composite additives are added. The raw materials are ground into powders with a particle size of less than 1mm; Homogeneous mixing in a mixer; Pellets are made in the pelletizing machine, dried and dehydrated at 100~150 °C, and the moisture is required to be no more than 1%. Make full use of the solid waste fly ash excluded from China's coal-fired power plants, the production process is short, the energy consumption is low, the cost is low, and there is no industrial waste.

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