Convert coal into Nano graphite powder

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C onvert coal into Nano graphite Powder A team of international researchers has proven that it only takes 15 minutes to transform pulverized coke into high-value coal Nano graphite . Researchers explain in the Journal Nano-Structures & Nano-Objects that microwave ovens are used to create an atmosphere where raw coal can be successfully transformed into Nano graphite. Nano graphite has many uses, including as a lubricant for fire extinguishers and lithium-ion batteries.
They believe that this “metal assisted microwave processing one step method” is a relatively simple and inexpensive method to convert coal in Wyoming’s Powder River Basin. According to TeYu Chen’s team at the University of Wyoming despite previous studies showing that microwaves could reduce coal moisture and remove sulfur as well as other minerals but most of these methods required special chemical pretreatment of the raw coal. The experiment only required the raw coal of the Powder River Basin to be pulverized. After that, put the coal powder on copper foil. Seal it with a gas mixture of argon hydrogen. Finally, put it in the microwave.
Chris Masi is the lead author. He stated that “by cutting the copper foil in a fork-shaped shape, microwaves will generate sparks. These can create extremely high temperatures of over 1,800 degrees Fahrenheit a few second.” This high temperature then transforms the coal. This process also involves copper foil, hydrogen and polycrystalline graphite. The team (which includes researchers from New York Nepal and China) believes this new coal-to-graphite conversion method can improve and be implemented at a large scale in order to produce higher quality graphite materials.

What? It is a good idea to use a bilingual translator Graphite
Graphite This is a natural form of crystalline Carbon. It is a mineral element found in metamorphic or igneous rocks. Graphite can be described as a mineral that is characterized by extremes. It is extremely soft and cleaves easily with very little pressure. It also has a low specific gravity. Contrastingly, it is highly resistant to heat. This extreme property gives it a variety of uses in manufacturing and metallurgy.
Graphite, a mineral, is formed when carbon is heated and pressed in Earth’s upper and crust mantle. To produce graphite, temperatures and pressures between 750°C and 75,000 lbs per square inch are required. These correspond to granulite facies.
The vast majority of the graphite found on Earth today was created at the convergent plates boundaries when organic-rich limestones and shales were subjected under the pressure and heat of regional metamorphism. The resulting marble, schist, or gneiss contains tiny crystals of graphite.
If the concentrations of graphite are high enough, the rocks can be mined. They can then be crushed into a size that releases the graphite flakes, and the flakes can then either by flotation, or using specific gravity, separated to remove low-density flakes. The product produced is referred to as “flake-graphite.”
Graphite is formed from metamorphism in coal seams. The organic material of coal is primarily composed of carbon, hydrogen, oxygen and nitrogen. The heat generated by metamorphism destroys coal’s organic molecules, releasing hydrogen, oxygen, nitrogen and sulfur. What remains is almost pure carbon that crystallizes to mineral graphite.
The seams of graphite correspond to the original layers of coal. This material is mined as “amorphous Graphite.” This is not the correct use of “amorphous”, as it has a crystal structure. The material is similar in appearance to coal lumps, without the banding.
Diamonds and Graphite
Graphite Diamond and carbon are two minerals that contain carbon. Diamond is formed in the mantle by extreme heat and pressure. The majority of graphite that is found on Earth’s surfaces was formed at lower temperatures and under less pressure in the crust. Graphite has the same chemical composition as diamond but is structurally very different.
The graphite sheets are formed by a hexagonal web of carbon atoms. Each sheet is one atom thick. The sheets are not well connected, and can easily be cleaved or slid over each other when a slight force is applied. Graphite is characterized by its low hardness. It also has a perfect cleavage and slick feel.
Carbon atoms of diamonds are linked in a framework structure. Each carbon atom has strong covalent bonds that link it to four other carbons in a three dimensional network. The arrangement of the atoms keeps them firmly in position and makes diamond an extremely hard material.

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