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What gases do cement plants need to monitor?

Date:2019-08-19 15:46 Source:cementepcViews:

Cement has made a great contribution to mankind and is widely used in construction, Bridges, roads and other fields.But while cement has done mankind a great deal of good, it has also done some harm.

As is known to all, cement in the production process will produce a large amount of smoke and dust, dust and dust will directly increase the content of PM2.5 and PM10 in surrounding residential areas, and produce a certain harm to the health of residents.What most people don't know, however, is that in addition to soot and dust, cement in the production process will also produce nitrogen oxides, fluoride, carbon dioxide, carbon monoxide, sulfur dioxide and other harmful gases, and these gases are more harmful to the environment than soot and dust.

Nitrogen oxide mainly comes from the high temperature combustion of fuel during cement production, which makes nitrogen combine with oxygen at high temperature.Nitrogen oxide is very harmful to human body. If the concentration reaches a certain level, it will cause respiratory diseases. If the concentration is too high, it will cause chest pain, emphysema and even death.

Fluoride is mainly derived from calcium fluoride in cement raw materials, which generates one or more volatile inorganic compounds containing fluorine at high temperature. When the concentration of fluoride in the atmosphere exceeds the allowable standard, it will have significant effects on plants and animals.

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Carbon monoxide and carbon dioxide are two familiar gases, which are mainly derived from the full combustion and incomplete combustion of carbonaceous substances in cement production.Carbon dioxide is a well-known greenhouse gas, which can cause global warming.Carbon monoxide is asphyxiating harmful gas, reach a certain concentration will make people anoxia.

Sulfur dioxide also comes from the oxidation of sulfur compounds in cement raw materials at high temperatures.Sulfur dioxide is one of the most important air pollution, colorless, smelly, toxic, non-flammable, easy to liquefy, is the main cause of acid rain worldwide.

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