How to Produce Magnesium Nitride?

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The purchasing pace at the demand end of the international thermal coal market continues to slow down and the international thermal coal price continues to decline. Prices for thermal coal at major international ports continued to fall last week as buyers in Europe slowed in recent days for April, coupled with weaker-than-expected import demand from End users in China. According to China Coal Market net monitoring:  Australia Newcastle port thermal coal price index was 253 USD/ton, compared with 309.02 USD/ton, down 56.02 USD/ton, down 18.13%. South Africa's Port Richards thermal coal price Index was $264.5 / mt, down the US $62.72 / mt or 19.17% from US $327.22 / mt. The European ARA Tri-port thermal coal price Index was $281.8 / ton. Does the price of thermal coal in major international ports continue to decline to affect the price of the Mg3N2 powder? 

What is Magnesium Nitride?
Magnesium nitride, is an inorganic compound with the chemical formula Mg3N2. It belongs to the cubic crystal system. At room temperature, pure magnesium nitride is a yellow-green powder, but magnesium nitride containing a portion of magnesium oxide impurities is grayish white.
The molar mass of magnesium nitride is 100.95g/mol. Its density is 2.712g/cm3. Magnesium nitride is completely dissolved in acid and water, but partially dissolved in ether and ethanol. 
The melting point of magnesium nitride is 1500 degrees. Magnesium nitride, like many metal nitrides, reacts with water to produce ammonia. Often used as a catalyst. React with acid or aqueous nonmetallic oxides to form ammonium salts and magnesium salts.

Magnesium nitride is ceramic in nature. Magnesium nitride has high corrosion resistance and greatly improves production efficiency. Magnesium nitride also has high thermal conductivity, as well as high corrosion resistance and temperature resistance. Magnesium nitride has another great importance because it is used as a catalyst for the synthesis of boron nitrogen.

What is Magnesium Nitride Used For?
Used as a catalyst when prepare the nitride of other elements with high hardness, high thermal conductivity, corrosion resistance, wear resistance and high temperature resistance. In the first successful synthesis of cubic boron nitride, the catalyst was magnesium nitride.
Used for high strength steel smelting additives. Magnesium nitride (Mg3N2) replaces desulphurized magnesium in construction steel smelting, which is beneficial to improve the density, strength, tension and bearing force of steel. In addition, the use of magnesium nitride (Mg3N2) desulfurization, can reduce the amount of other additives, thus helping to reduce the production cost of construction steel;
3. Used to prepare special ceramic materials;
4. For the manufacture of special alloy foaming agent;
5. For manufacturing special glass;
6. For catalytic polymer crosslinking;
7. For the recycling of nuclear waste;

How to Produce Magnesium Nitride?
At present, the main preparation methods of magnesium nitride include direct reaction method of magnesium powder with nitrogen, reaction method of magnesium with nitrogen in nitrogen plasma flow, magnesium coil explosion method in nitrogen atmosphere, low pressure chemical gas complementary product method, self-propagating high temperature synthesis method, nano magnesium nitride synthesis method, etc.

Recently, G. Soto et al. prepared amorphous magnesium nitride films with different Mg∶N ratios on Si substrates in a molecular nitrogen environment by pulse laser deposition. These methods limit their industrial production due to high cost, long process, complex equipment operation, or low yield of magnesium nitride.

Although the direct reaction of magnesium powder with nitrogen has industrial value, the production of magnesium nitride powder needs higher reaction temperature and longer reaction time, and the shape of particles is incomplete and easy to agglomerate, which can not meet the requirements of industrial quality. NH3 can be decomposed into N- with broken bonds more easily than N2, and the decomposed H2 can inhibit the formation of MgO, so ammonia gas can be used as the nitrogen source. Chen Faqin et al. used liquid ammonia as nitrogen source to prepare magnesium nitride powder by direct nitriding of magnesium powder. The following conclusions could be drawn: Through thermodynamic analysis, liquid ammonia could react with magnesium powder more easily than nitrogen to prepare magnesium nitride; High quality magnesium nitride powder with high purity and uniform powder particles can be prepared at 600℃ and ammonia atmosphere for 1h, then heated to 800℃, ammonia flow rate of 500ml/min and nitriding time of 1h.

Magnesium Nitride Mg3N2 Powder Supplier
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials, including silicon powder, nitride powder, graphite powder, zinc sulfide, calcium nitride, 3D printing powder, etc.
If you are looking for high-quality Mg3N2 powder, please feel free to contact us and send an inquiry. ([email protected])

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