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Application of spray drying desulfurization technology in protecting ecological environment

Information sources: | Release date: 2020-10-19 14:32:36 | Browse volume:49264

Summary:

As the world’s energy consumption is increasing year by year, the burning and utilization of coal as a primary energy source releases a large amount of sulfur dioxide and the regional acid rain formed by it, which has caused serious pollution to the …

As the world’s energy consumption is increasing year by year, the burning and utilization of coal as a primary energy source releases a large amount of sulfur dioxide and the regional acid rain formed by it, which has caused serious pollution to the environment, destroying the ecological balance and causing a large area of forests. Accumulation destruction, soil and lake acidification, building corrosion, etc.

Therefore, controlling and reducing sulfur dioxide emissions is an important task. Among the many desulfurization technologies, the use of spray drying to remove sulfur dioxide from flue gas is a technology that has received more and more attention. This technology was researched in the 1970s and was put into commercial operation in the late 1970s. It has low investment, simple operation, high desulfurization efficiency, and no secondary pollution. Compared with the wet method that is widely used in flue gas desulfurization, the powder products formed by spray drying desulfurization have greater selectivity and development value.

An important prerequisite for the wide application of spray drying rubber sulfur technology is whether it can solve the problem of rational development and utilization of a large amount of dried powder sulfate. It can be regenerated as an absorbent, and part of the dry material can be recycled. As a filling material for the earth, it can be converted into a paste retarder for cement to make granular artificial sand and gravel, which can be used as a filler for building materials instead of commonly used Concrete and asphalt etc.


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