Novel pollutant control equipment, which were called integrated pollutant control equipment, consisted of bag filters and activated carbon (AC) absorbers. The AC absorbers were put forward to absorb the additional pollutants between the old and new emission standards to satisfy Chinese emission standards. The absorbers could be fixed (mobile) bed, annular column, or fluidized bed. The numerical method was employed to simulate the inner flow fields in the integrated equipment. The results show that annular column absorbers can make the flow field more uniform than the others, but its absorption duration has to be discussed. The mobile bed and the annular column absorbers are recommended. The fluidized bed absorber can be applied only if strong heat and mass transfer during absorbtion are needed.
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