One Of High Level Metals Ferro Silicon Manganese

Ferro silicon manganese contains iron manganese. Iron manganese minerals are an important component of the ocean's polymetallic structure. Understanding the types, forms, distribution characteristics and crystallization degree of the main iron manganese minerals in different types of nodules is not only helpful for the study of the genesis of manganese minerals and even polymetallic nodules, but also has practical significance for ore dressing, smelting and comprehensive utilization of resources. Through comprehensive analysis and identification by transmission electron microscopy and other means, it is pointed out that the main iron manganese minerals in polymetallic nodules are calansite, hydromanganese ore, birnessite, harzburgite, ferromanganese and goethite, etc. The degree of crystallization is generally poor, and the crystallization of calansite is relatively better than that of other minerals. The crystallization strength of harzburgite, ferromanganese and goethite is.

1.The variable valence elements and ferro-silicon-manganese oxides with surface charge contained in the soil have good surface activity and are important adsorbents and oxidants for heavy metals in the soil. The study of the adsorption and oxidation characteristics of iron-manganese oxides on As(III) and As(V) has important theoretical and practical significance. Synthesized ferrihydrite and birnessite were used as test materials. After characterizing and measuring their physical phases, morphologies and surface charges in solution using scanning electron microscopy (SEM), X-ray diffraction techniques and potentiometric titration, the adsorption capacity of these two iron-manganese oxides on As(III) and As(V) and their oxidation properties on As(III) were studied, as well as the effects of adsorbent dosage, reaction time, pH, initial arsenic concentration, ionic strength and temperature on their adsorption and oxidation properties.

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