Anthracite has high fixed carbon content, low volatile yield, high density, high hardness and high ignition point, and does not smoke when burning. Generally, the carbon content is above 90%, and the volatile matter is below 10%. The main component is C (carbon), and the incomplete combustion of carbon will produce the intermediate carbon monoxide.
Carbon monoxide is the product of incomplete combustion of carbon-containing substances such as coal and oil. It is a colorless, odorless and non-irritating toxic gas, which is almost insoluble in water and difficult to react with other substances in the air, so it can stay in the atmosphere for 2 ~ 3 years.
Therefore, as long as the combustion process is well organized, the oxygen is sufficient, the mixing is sufficient, the temperature is high enough, and the residence time is long, the intermediate product CO will eventually burn out and produce CO? Or h? O, the use of anthracite will not be toxic.
Extended data:
Application of anthracite in water purification: as a filter material for anthracite water purification.
Anthracite water purification filter material is the best ideal filter material widely used in China at present, with a wide range of uses and applications. It can be used for drinking water and industrial production water, various double-layer and triple-layer multi-media filters, and water quality treatment before and after production in chemical industry, metallurgy, thermoelectric, pharmacy, papermaking, printing and dyeing, food, etc.
Anthracite filter material is characterized by good luster, spherical appearance, high mechanical strength, good compression resistance, stable chemical properties, non-toxicity, wear resistance and insolubility in acidic, neutral and alkaline water. In addition, anthracite particles have rough surface, good adsorption capacity, large porosity (> 50%) and high pollution capacity. Because of its light weight, the required backwashing strength is low, which can save a lot of backwashing water and electricity.
It is the best material for double-layer fast filter, three-layer filter and filter tank in China. It is the most effective way to improve the filtration speed, increase the water output per unit area, double the sewage interception capacity, reduce the project cost and reduce the occupied area.
Anthracite filter material is classified manually, which can reduce irrelevant minerals and ash. After filtration and washing, it is guaranteed to be suitable for water filtration. Because anthracite has good solid particle interception ability, it can reliably improve the removal ability of suspended particles.
Baidu encyclopedia-anthracite
Baidu encyclopedia-carbon monoxide
Answered on 2019/05/30.
Agreed 12
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