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FAQ
- What is charcoal? How is it made?
- Charcoal (charcoal) is wood or wood raw material after incomplete combustion or pyrolysis under the condition of air isolation, dark brown or black porous solid fuel residue. Keep the amorphous carbon tar residue of impure wood hole of the original structure and now still life. In addition to the fuel, is used in metal smelting, light industry food and fuel, reducing agent of metal smelting, refining as a covering agent for protecting the metal from oxidation. In the chemical industry often carbon disulfide and active carbon materials. As a biscuit factory, smelter and other fuels, is also used for filtration, liquid water decolorization. The still grinding and painting, cosmetic, medicine, carburizing, powder alloy preparation method has two kinds of application:
- Preparation of long carbon toothpaste effect? What is the principle
- Bamboo charcoal toothpaste using biotechnology to C active ions and natural plant extracts, such as holly saponin combination, is a complete and efficient, energy-saving, black paste toothpaste.
- What is the difference between bamboo charcoal and Japanese carbon?
- Followed by the larger pores of bamboo charcoal, so a short adsorption force is strong, but far infrared and negative ions, the average conductivity can not be compared with the preparation of carbon. Preparation of far infrared and negative ion of carbon, the conductivity of permanent use period is very long, compared with bamboo charcoal (weight or the same volume and the total number of binchotan charcoal hole on the ground and bamboo charcoal, charcoal powder or carbon particles, the far infrared rays and negative ions still exist, grinding into bamboo charcoal after the powder is not functional)
- Coal and carbon is one thing, what is the difference?
- Chemical composition:The organic matter in coal is high polymer complex organic compounds, mainly composed of carbon, hydrogen, oxygen, nitrogen, sulfur and phosphorus and other elements, and more than three carbon, hydrogen and oxygen and total organic matter occupies 95%; inorganic matter in coal also contains carbon, hydrogen, oxygen, sulfur and other elements of a few. Carbon is the most important component in coal, and its content increases with the degree of coalification. The content of carbon in peat is 50% ~ 60%, the lignite is from 60% to 70%, the bituminous coal is from 74% to 92%, and the anthracite is from 90% to 98%. Sulfur in coal is the most harmful chemical component. Coal combustion, in which sulfur generated SO2, corrosion of metal equipment, pollution of the environment. The content of sulfur in coal can be divided into 5 levels: high, greater than 4%; sulfur rich coal, from 2.5% to 4%; sulfur in coal, from 1.5% to 2.5%; low sulfur coal is 1% ~ 1.5%; ultra low sulfur coal, less than or equal to 1%. Sulfur in coal can be divided into two categories: organic sulfur and inorganic sulfur.
- How many years can the world's oil and coal be mined?
- So, the oil in the world is also available for human exploitation for 40 years -- 50 years. Coal storage 10316 tons, will be mined for 230 years.200 years, oil and coal will be mined. With the progress of mining, oil and coal reserves will be increased. According to the current level of consumption, oil and coal for human life will fluctuate in the 200--250 years. But now the trend of energy saving and high efficiency of energy use, so the use of life will grow, humans will also be found to replace coal and oil energy.
- What is bituminous coal, coal tar distillation of coal products are coke and coal tar, these toxic coal tar in general how to deal with, so that non-toxic?
- Physical and chemical properties: at room temperature for the black brittle block, shiny; smell, melting and easy to burn, and toxic. Is a class two flammable solid. This product is in line with the GB/T2290-94 medium temperature asphalt standardsUses: used in the manufacture of paints, electrodes, asphalt coke, oil felt, etc., can also be used as fuel and asphalt carbon black raw materialsPacking: woven bag, in bulk
- Coking plant? In addition to the processing of raw coal? Thank you
- A: it is often referred to as a coal mining enterprise, which is called coal. In ancient China, it was said that the coal is the stone nirvana, or the carboniferous. It is a kind of solid combustible mineral which has been buried in the ground after a long period of complicated biochemical, geochemical and physical chemical action.
- What is coal dry base settlement
- Base means that the result of the test is based on what kind of coal samples:
