A Research Review of SO3 Acid Mist Removal from Net Flue Gas Promoted by Phase Change Condensation Technology of Wet Desulfurization

Abstract

The emitted SO3 from coal-fired flue gas into the atmosphere imperils the ecological environment and human health. The SO3 emission control now is a central issue that draws common attention. Therefore， the paper analyzes research progress and shortcomings of SO3 emission control technology from coal-fired flue gas and discusses the agglomeration and coagulation technologies to promote the growth of SO3 acid mist. Then， based on the domestic and foreign research and relevant domestic policy environment， the paper introduces the working principle of phase change condensation and the research status and progress of promoting the removal of SO3 acid mist after desulfurization. Finally， it proposes the direction and focus of SO3 emission control research based on phase change condensation technology.

Keywords

• coal-fired power plant
• so3
• phase change condensation
• removal
• wet flue gas desulfurization