The economic research on deep desulfurization of circulating fluidized bed boiler

It can be hardly met the requirements of the emission standard just by adding calcium to remove sulfide in circulating fluidized bed boiler while the more strictness of emission standard will be formulated. In this paper, we proposed a deep- desulfurization program about circulating fluidized bed, which concluded the desulfurization inside boiler and wet flue gas desulfurization in tail. By assuming different sulfur content coal, we'll make economic analysis of the deep desulfurization, and choose a reasonable distribution of deep desulphurization to achieve the best running status of desulfurization, that is by using the lowest total cost of desulfurization to meet the environmental emission standards.