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The efficient cobalt extraction process of activated magnesium oxide involves a method for efficient recovery of cobalt from low-grade cobalt ore, suitable for application in the mining and metallurgical industry. Cobalt is an important material for manufacturing high-temperature resistant alloys, cemented carbide, catalysts, new energy vehicle batteries and strong magnetic materials, one of the world\’s […]

Light magnesium carbonate is white amorphous powder, easily soluble in acid, slightly soluble in water, density 2.16g/cm3, thermal stability is poor, 300°C start to decompose, 800 ~ 900°C is rapidly decomposed into magnesium oxide. Light magnesium carbonate is a senior inorganic filler, reinforcing agent and good flame retardant for rubber and plastic industry, filler for

With the increase of electrical steel production in China, the demand of silicon steel grade magnesium oxide is increasing, and the traditional process of preparing magnesium oxide from dolomite is unable to meet the market demand. China is a country rich in brine resources, therefore, it is becoming more and more important to study how

High purity magnesium oxide generally refers to magnesium oxide products with purity greater than 99%. Since high-purity magnesium oxide has excellent physical properties such as ultra-high melting point, good magnetic conductivity and excellent insulating properties, and specific chemical properties, it is widely used in many fields such as ceramics, metallurgy, medicine, electronics and national defense.

Aluminum phosphate adhesives have the advantages of low curing temperature, non-toxic, high bonding strength and high temperature structural stability, which can bond metals and ceramics, and can also be used as a matrix for refractory materials and composite materials, and have a wide range of applications in the construction and aerospace fields. In this paper,

To investigate the effect of different passivators on the fixation of phosphorus in soil, MgO, ammonium alum and their mixtures were added to the soil in different proportions in an indoor incubation test to study their effects on the phosphorus content and phosphorus fraction of 0.01 mol-LCaCl leaching and 0.5 mol-LNaHCO leaching. The results showed

Spherical magnesium oxide was prepared by aerosol-assisted method using magnesium chloride as the magnesium source and urea as the precipitant. The precursors and magnesium oxide samples prepared at different reaction temperatures were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), infrared spectroscopy (IR) and nitrogen adsorption-desorption. The experimental results showed that the specific surface