coking coal metallurgical coal met coal fat coal high sulphur coal

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SPECIFICATIONS:                                                     GUARANTEE

ASH (AIR DRIED BASIS):                                10.0% MAX

TOTAL MOISTURE (AS RECEIVED BASIS):    10.0% MAX

TOTAL SULPHUR (AIR DRIED BASIS):           1.2% MAX

VOLATILE MATTER (AIR DRIED BASIS):        32% MAX

PLASTOMETER INDEX “Y”:                            25 AND ABOVE

FSI:                                                                  9 (FOR GUIDANCE ONLY)

SIZE:                                                                0-30MM

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Q:Where there is so much coal, so that the earth has not been emptied
How is coal formed? In the history of the earth, about 355 million to 295 million years ago, this period was called the carboniferous. At that time, the plants were not easy to rot after death, most of the land was covered with swamps, so that the plant is still more or less intact after death. A lot of dead trees by the soil surface pressure and the earth interior heat, water gradually lost, has become a more and more close to the pure carbon material, this material is now similar to pure carbon of coal.
Q:How does coal rank?Level, price
. Lean coal can also be used for power generation, power plant boilers and civilian fuel etc.. The typical lean coal produced in Shanxi Province, Xishan Coal and electricity company. Lean: volatile and moderate adhesion, mainly used for coking. In the coking process may produce some of the glial, glial layer thickness of 6 - 10mm. Produced by coal coking coke, high mechanical strength and abrasion resistance is relatively poor. In addition to the part of high ash and high sulfur coal, coal and other coal blending coking often. Coking coal: strong coking process, medium volatile (16% - 28%), is mainly used for domestic coking coal coking coal. Coke made from coking coal has a very good nature, coking coal is mainly produced in Shanxi and Hebei province. Fat: medium or high volatile (25% - 35%) and a very strong bond, mainly used for Coking (some high ash high sulfur coal used for power generation).
Q:Air purification carbon bag useful?
Currently on the market there are a lot of room for the purification of carbon bags for formaldehyde and odor. But in fact, this kind of clean air carbon bag. Indeed, according to the characteristics of activated carbon adsorption of toxic and harmful gases in the air: when the surface of the activated carbon microporous and toxic air in the air contact
Q:Other related to coal oil
Developed countries do not engage in the history of coal to oilIt is understood that South Africa has an annual output of 8 million tons of oil coal oil plant, is the world's only large-scale coal oil business plant, and provides the country with a transport oil of 60%. In fact, the United States, Germany, Japan and other developed countries have mature technology, but why they did not put into industrial production?According to reports, as early as the late 30s of last century, due to the shortage of oil, Germany began to study coal oil technology. Before World War II, Germany has built 17 factories, producing about 4200000 tons of gasoline and diesel. By the end of 40s and early 50s, with the exploitation of oil fields in the Middle East, a large number of low-cost oil flooded the market, 2 to $10 a barrel. In this case, then make coal into oil in the economy is very uneconomical. Until 1973, the Middle East oil embargo, oil prices pushed higher, $more than and 30 (equivalent to the current price of $more than and 80), then the coal oil development scale and climax, the United States and Japan and Germany have invested heavily in research, and construction of a pilot plant. However, in these countries, coal oil has not really put into commercial operation. Why is this?
Q:Why is heating charcoal poisoning??
If you close the doors and windows of charcoal heating, indoor oxygen shortage, charcoal will continue to burn, but the incomplete combustion produces a large amount of carbon monoxide. Carbon monoxide was inhaled into the body, so that the loss of the ability of red blood cells to transport oxygen, causing tissue hypoxia, resulting in a variety of toxic symptoms
Q:Anthracite is what kind of indicators?
Indicators of coal in this range are called anthracite: total water Mt (%) 4-6, dry base ash Ad (%) 10-15, dry ash free volatile Vdaf (%) 7-9,
Q:What are the main equipment of coal chemical industry?
Coal chemical engineering, mainly use the following equipment:Chemical equipment (reactor, gasifier, containers, towers, heat exchangers), coking equipment, crushing and grinding equipment, air separation equipment, and vacuum blower (including centrifugal compressor), compressor and refrigeration equipment, industrial pumps, valves and environmental protection equipment, instrumentation, electrical equipment etc..
Q:Types of coal and how
It should be noted that the G value is greater than 100 of the coal, especially coal mine average G or several samples were above 100, generally can not measure Y value determined for coal or gas coal class.Also stipulated in China's coal classification standard, the G value is greater than 85 of the coal, if not measured Y, also available Oaxaca expansion degree B value (%) to determine the boundaries of coal and gas and other types of coal, namely Vdaf<28% coal, tentative b value of >150% for coal to Vdaf>28%; coal, provisional b value of >220% for coal (when the value of Vdaf <37% (Vdaf) or gas when the value of >37%). When there is a contradiction between the classification of coal according to the b value and the type of coal classified according to the Y value, the coal class determined by the Y value shall prevail. Thus in determining the new classification of strong caking coal brand, can only measure the Y value and temporarily B value.
Q:What is the difference between wood activated carbon and coal activated carbon
Wood activated carbon is made of sawdust, shell and other forest products, "three residue" as the raw material for the production of activated carbon products, coal activated carbon is made of coal as the raw material of activated carbon products. Due to the production of raw materials, wood activated carbon and activated carbon are different in the production process, technical characteristics, product characteristics and other aspects, which affects the application of relative distinction, specifically:
Q:What is the role of coal
The use of coal is very extensive, according to the purpose of its use for two main purposes: (1) power coal, (2) coking coal

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