Application of spray dry desulfurization technology in the protection of ecological environment.
As the world's energy consumption increases year by year, the use of coal as a primary source of energy will cause a large amount of sulfur dioxide and the formation of regional acid rain, which has caused serious pollution to the environment. It destroys the ecological balance and causes a large area of forest. Accumulation of destruction, acidification of soil lakes, corrosion of buildings, etc.
Therefore, controlling and reducing sulfur dioxide emissions is a very important task. In many desulfurization technologies, the use of spray drying to remove sulphur dioxide from the flue gas is an increasingly important technology. This technology began its research in the 1970s and was put into commercial operation at the end of the 1970s. It has less investment, simple operation, high sulfur removal efficiency and no secondary pollution. Compared with the wet method widely used in flue gas desulfurization, the powder product formed by spray drying desulfurization has greater selectivity and development value.
An important prerequisite for the widespread application of spray drying glue and sulfur technology is whether it can solve the problem of reasonable development and utilization of a large amount of powdered sulfate after drying. It can be regenerated as an absorbent. Some dry materials can be recycled. As a filling material for the earth, it can be converted into a retarder for cement and used as a grout. It can be used as a filler for building materials instead of the commonly used ones. Concrete and asphalt etc.
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