Wet Desulfurization Technology (WFGD) is the fundamental procedure for pipe gas desulfurization in coal-terminated force plants in China, for the most part including limestone-gypsum wet technique and seawater desulfurization. Toward the finish of 2014, over 94.4% of the desulfurization gear was WFGD. The wet desulfurization process not just evacuates the SO2 in the pipe gas yet additionally has a specific synergistic impact on the PM expulsion. The primary standard is that some PM particles in the gas are caught in countercurrent contact with the beads. The catching system principally incorporates inertial crash, block attempt, and Brownian dispersion.. Aftereffects of Wei et al. in the molecule catch effectiveness test did on 39 wet desulfurization gadgets demonstrated the thorough PM expulsion productivity of the wet desulfurization framework was about half. The molecule catch effectiveness of the desulfurization framework with high bay molecule focus was higher than that of the low delta molecule fixation. 

The new electrostatic precipitator innovation diminishes the convergence of particulate issue at its outlet. Notwithstanding, when the molecule focus at the outlet of the ESP, that is, the gulf of WFGD, is excessively low, the extent of PM2.5 in particles is significantly expanded. For submicron particles, the inertial impact and block attempt impact isn't self-evident, and the decline of the bay molecule size makes the PM expulsion proficiency of the desulfurization framework extraordinarily decreased. Wang et al. considered five distinct units outfitted with the wet desulfurization framework and found that the mass convergence of PM2.5 expanded after WFGD, and the extent of number focus expanded all the more clearly, showing that the expulsion productivity of wet desulfurization on PM2.5 is a lot of lower than PM10. Simultaneously, the particulate issue after the wet desulfurization framework contains not just fly debris from coal ignition and break, yet additionally new particulate issue delivered by the desulfurization procedure. That is, the circling slurry showered in the assimilation tower will shape CaO/CaCO3, CaSO3/CaSO4, and fine beads in the pipe. The field examining trial of Pan Danping likewise found the expansion of PM2.5 in the particles at the outlet of the wet desulfurization framework, and the organization of these particles was essentially gypsum and limestone. Wei et al. accepted that for lower molecule focus at the delta of WFGD, the impact of beads on outlet PM discharges is increasingly articulated. This ought to be the purpose behind the higher convergence of particulate issue in the desulfurization outlet than that of the delta. 

So as to meet the ultra-low outflow standard, the wet desulfurization framework has been moved up to improve the evacuation impact on particulate issue, particularly PM 2.5.