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https://globecore.com/contacts.html. At present time, a significant amount of aluminum containing salt based slag is formed at aluminum and aluminum alloy casting production facilities.
To address the issue of recycling the environmentally hazardous salt-based slag of aluminum industry, as well as to replace the costly gasifier in aerated concrete production with a cheaper product, we pulverized aluminum production slag to fine powder. The percentage of components in the original slag was as follows: (Silica oxide) SiO2 – 27,5%, (Aluminum oxide) Al2O3 – 46,33%, (Iron oxide) Fe2O3 – 0%, (Calcium oxide) CaO – 5,64%, (Magnesium oxide) MgO – 16,77%, (Sodium oxide) Na2O – 2,72%, (Chlorine) Cl – 0%, LOI – 0,82%. (silica) Si – 12,85%, (aluminum) Al – 24,55%, (Iron) Fe – 0%, (Calcium) Ca – 10,06%, (Magnesium) Mg – 1,41%. The process was performed in an AVS-150 device using steel dipole ferromagnetic particles. We took 500 grams of the initial product and 250 grams of the ferromagnetic particles.
The process of pulverization took 30 minutes, with the temperature of the mix within 100 degree Centigrade. The hue of the mix changed due to particle milling from light gray to dark gray.
You can see the comparative results in the photos made through an optical microscope.
Linear magnification and numerical aperture of the lens with a video adapter for the initial material was achromatic 10/0.25, calculated maximum resolution was 2.3 micron.
Linear magnification and numerical aperture of the lens with a video adapter for the pulverized material was achromatic 60/0,85, calculated maximum resolution was 0.4 micron