High Level Material Ferro Silicon Manganese

The method of determining phosphorus content in ferro silicon manganese, ferromanganese and silicon-manganese alloy by ICP-AFS method, under the selected measurement parameters, systematically investigated the influence of iron matrix, coexisting elements and solution acidity on the measured elements, carried out spike recovery and precision and accuracy experiments, and used different detection methods for comparison experiments. This method can accurately and quickly determine the phosphorus content in ferrosilicon, ferromanganese and silicon-manganese alloy, meeting the requirements of daily laboratory analysis.

1.A preparation method of ferro silicon manganese graphene flocculant comprises the following steps: mixing silica ash and concentrated sulfuric acid, aging, to obtain polysilicic acid; adding graphite powder to polysilicic acid, mixing, aging, to obtain graphite polysilicic acid; mixing sodium persulfate and potassium permanganate to obtain a mixed oxidant, adding the mixed oxidant to graphite polysilicic acid, mixing, ultrasonic treatment, aging, to obtain graphene oxide polysilicate manganese; mixing humic acid, iron powder and graphene oxide polysilicate manganese, aging, adjusting pH to acidic, further aging, drying, grinding, to obtain polysilicon iron manganese graphene flocculant. Polysilicon iron manganese graphene flocculant Polysilicon iron manganese graphene flocculant can capture multiple pollutants at the same time, has high flocculant recovery efficiency, and has a wide applicable pH range; the preparation process is simple, the preparation conditions are low, the preparation process is easy to implement, and the required raw materials are widely available.

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