Patent ID: 9097158
Filing Date: 2015-08-04
Classification: B01D,F01N,F23J

Abstract:
1. A flue gas desulfurization system, comprising: a main flue gas path that extends through an absorber vessel, a particle collection device downstream of the absorber vessel, and a stack; a solids transport system for recycling solid alkaline particles from the particle collection device to the absorber vessel, the solids transport system including at least one fluidized surface, wherein the at least one fluidized surface is created using flue gas, or a combination of flue gas and fluidization air, such that the capacity of at least one air heater and/or at least fan/blower is reduced or is eliminated; and a flue gas recycle path having at least one take-off point that sends flue gas from the main flue gas path to the solids transport system, the flue gas being used as a fluidizing gas to produce the at least one fluidized surface.