A new method using flue gas desulfurization agents to achieve ultra-low emissions from flue gas from discrete devices
Thread Content
There are scattered coal-fired boilers; the flue gases generated during the sintering process in steel mills contain high concentrations of sulfur dioxide. However, the volume of these flue gases is large, and wet flue gas desulfurization methods pose numerous environmental problems. The scattered coal-fired boilers make it difficult and costly to handle these gases. In response to this situation, Ke Qingwei from Wuhan Collin developed a dry flue gas desulfurization agent that uses a fixed-bed desulfurization system to effectively remove sulfur dioxide from such gases. The removal efficiency of sulfur dioxide exceeds 95%, and the precision of removal far exceeds the latest emission standards.
Dry desulfurization agents face two issues: one is the increase in bed pressure drop, and the other is how to ensure that the bed pressure drop does not increase further or only increases slightly. Second is the service life of the desulfurization agent, and from a reaction perspective, how to achieve its regeneration. Personally, I think a fluidized bed is more suitable.