ANTHRACITE

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In the last 15 years Minermet Group has opened up a new Division for Anthracite, Coal and Coke which is expanding very much, for markets in Europe, Russia, Middle East, Pakistan, India, Vietnam,  Australia and Indonesia.


Coal (from the Old English term col, which has meant "mineral of fossilized carbon" since the 13th century)is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. The harder forms, such as anthracite coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure. Coal is composed primarily of carbon along with variable quantities of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen.

Throughout history, coal has been used as an energy resource, primarily burned for the production of electricity and/or heat, and is also used for industrial purposes, such as refining metals. A fossil fuel, coal forms when dead plant matter is converted into peat, which in turn is converted into lignite, then sub-bituminous coal, after that bituminous coal, and lastly anthracite. This involves biological and geological processes that take place over a long period. The Energy Information Administration estimates coal reserves at 948×109 short tons (860 Gt).One estimate for resources is 18 000 Gt.

Coal is the largest source of energy for the generation of electricity worldwide, as well as one of the largest worldwide anthropogenic sources of carbon dioxide releases. In 1999, world gross carbon dioxide emissions from coal usage were 8,666 million tonnes of carbon dioxide.In 2011, world gross emissions from coal usage were 14,416 million tonnes.Coal-fired electric power generation emits around 2,000 pounds of carbon dioxide for every megawatt-hour generated, which is almost double the approximately 1100 pounds of carbon dioxide released by a natural gas-fired electric plant per megawatt-hour generated. Because of this higher carbon efficiency of natural gas generation, as the market in the United States has changed to reduce coal and increase natural gas generation, carbon dioxide emissions have fallen. Those measured in the first quarter of 2012 were the lowest of any recorded for the first quarter of any year since 1992.In 2013, the head of the UN climate agency advised that most of the world's coal reserves should be left in the ground to avoid catastrophic global warming.

Coal is extracted from the ground by coal mining, either underground by shaft mining, or at ground level by open pit mining extraction. Since 1983 the world top coal producer has been China.In 2011 China produced 3,520 million tonnes of coal – 49.5% of 7,695 million tonnes world coal production. In 2011 other large producers were United States (993 million tonnes), India (589), European Union (576) and Australia (416).[9] In 2010 the largest exporters were Australia with 328 million tonnes (27.1% of world coal export) and Indonesia with 316 million tonnes (26.1%),while the largest importers were Japan with 207 million tonnes (17.5% of world coal import), China with 195 million tonnes (16.6%) and South Korea with 126 million tonnes (10.7%).

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Q:What is long carbon powder
1, carnivorous barbecue, because "charcoal" stable combustion, high calorific value, ignition temperature is 600 DEG C, the combustion temperature of >800 DEG C, smokeless combustion, flameless, barbecue the food color aroma and taste is good, is the most elegant barbecue fuel.2, cooking will be prepared long carbon into the meal in addition to odor and other harmful substances.3, the production of cosmetics in the process of adding the right amount of ultra-fine "long carbon" Wei powder can absorb harmful chemicals, reduce the damage of cosmetics on the skin4, can be prepared after the long carbon particles into non-woven packaging and then made into pillows and mattresses, on the human body from the health care role.
Q:What is the calorific value per kilogram of standard coal?
Standard coal or coal equivalent calorific value standard has uniform. China provides calorific value per kg of standard coal for the 7 million cards. The different varieties and different content according to different energy conversion into calorific value per kg of standard coal calorific value of 7 million cards.Energy standard coal coefficient = the actual calorific value of some energy (kcal / kg) /7000 (kcal / kg)
Q:Three quantity of coal mine, exploitation quantity, reserve quantity
The amount of preparation, refers to the mining area up to the mountain and the preparation of the roadway, such as the delineation of the recoverable reserves.
Q:What should a charcoal coffee look like?
A cup of coffee is a Japanese division of a single product, refers to a taste, almost no acid, strong coke and bitter taste, taste is relatively strong. Authentic coffee is commonly used in carbon fire roasts (gas, carbon baking divided fire and infrared), color is black, taste fragrant and mellow, taste does not feel acid, if add some also have a flavor.
Q:Definition and classification of carbon
Activated carbon is a kind of widely used adsorbent and catalyst. It is a kind of carbon containing raw material which is produced by carbonization and activation. Activated carbon is black, mainly composed of carbon elements. Its nature is stable, insoluble in water and organic solvents, such as the role of acid and alkali chemicals, and can be recycled through the recovery of its activity and repeated use. Activated carbon can be divided into powder, granular and fibrous three categories according to the appearance; according to the use of different raw materials can be divided into plant raw materials (wood, charcoal, etc.) mineral raw materials (coal, petroleum coke, etc.) and other raw materials (wood, paper pulp, hydrolysis of waste plastics) activated carbon produced by the way of making; it can be divided into gas activation remove activated carbon, chemical activation and activation of activated carbon and mixed remove activated carbon; use can be divided into gas phase adsorption by activated carbon (solvent recovery of activated carbon, carbon desulfurization etc.) and liquid phase adsorption by activated carbon (sugar, monosodium glutamate, carbon carbon carbon water treatment etc.) activated carbon and catalyst or catalytic agent carrier.
Q:Where can I find charcoal?
Burn wood for charcoal. But it's a waste of wood
Q:Preparation of long carbon toothpaste effect? What is the principle
Efficacy has five characteristics:A, do not damage enamel - effectively clean teeth without damaging the enamelB, effectively remove stains - carbon C reactive ion and surfactant, strong adsorption efficiency, eliminate all kinds of teeth smoke stains, tea stains on the surface, strong white teeth stains better.
Q:What is the difference between wood activated carbon and coal activated carbon
From the long-term trend: coal is a non renewable resource, a substantial increase in carbon dioxide emissions of coal activated carbon resources are limited and the production process, so the product price of raw materials and environmental protection cost push upward trend; and wooden activated carbon because the main raw material for the forest "three residues, renewable, and the price is expected due to technical progress tends to be relatively decreased, so the wooden activated carbon is higher than the long-term competitive advantage of coal based activated carbon.
Q:We want to barbecue, but it will not be charcoal,
The first round of charcoal into a circle, the center of space, in the center of the fuel, such as paper, pay attention to the carbon holes are facing the center.
Q:Coal is used to do?
Anthracite: high fixed carbon content, high fire point (about 360 to 420 DEG C), high true relative density (1.35 ~ 1.90), low volatile yield and low hydrogen content. In addition to power generation, anthracite is mainly used as raw material for gasification (fixed bed gasifier) for the production of synthetic ammonia, fuel and briquette.

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