发表时间:2020-04-10
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Brucite is natural magnesium hydroxide, also known as magnesium hydroxide. Melting point (dehydration) 340 ℃, relative density: 2.39, hardness: 2.5, crystal structure: six crystal systems, relative molecular mass: 58.32, solubility: 0.009g / L. Brucite has a simple chemical composition and the molecular formula is Mg (OH) 2. Brucite is a relatively rare high-magnesium mineral in nature. Its theoretical chemical composition is MgO 69.12% and H2O 30.55%. Naturally produced brucite Impurities such as Fe, Mn, Zn, Ni, etc. These impurities exist in a quasi-homogeneous manner, forming a continuous or discontinuous solid solution series, and the constituent end members are subspecies: ferrite (containing FeO 10%), manganese brucite (18% containing MnO), zinc brucite (containing 4% ZnO), nickel brucite (containing 2.5% NiO). The associated minerals of brucite are serpentine, calcite, dolomite, magnesite, magnesium silicate minerals, brucite, diopside and talc.
Application of brucite:
Brucite can be used in flame retardant, heavy metal removal, flue gas desulfurization, acid wastewater treatment, soil improver, fireproof coating, refractory material, environmental protection field, fertilizer, etc.
Specification for brucite
|
MgO % |
SiO2 % |
CaO % |
Fe2O3 % |
Al2O3 % |
Loi % |
|
53.54 |
14.44 |
3.64 |
0.58 |
0.12 |
27.68 |
|
56.25 |
13.35 |
3.18 |
0.34 |
0.06 |
26.92 |
|
58.21 |
10.41 |
1.56 |
0.32 |
0.04 |
29.46 |
|
60.62 |
4.84 |
2.42 |
0.32 |
0.15 |
31.65 |
|
62.59 |
3.68 |
2.12 |
0.29 |
0.09 |
31.23 |
|
64.36 |
3.01 |
1.17 |
0.28 |
0.07 |
31.11 |
|
65.13 |
2.89 |
1.07 |
0.26 |
0.06 |
30.59 |
|
66.20 |
2.79 |
1.03 |
0.24 |
0.05 |
29.69 |
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