Flue gas conditioning system

In a conditioning system wherein flue gas 312 comprising particulate matter, is conditioned, for example with SO 3 , prior to electrostatic precipitation 314 of the particles, the SO 3 is made from SO 2 using a catalytic converter 320 which is moved in/out of the flue gas in response to a signal 314...

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Bibliographic Details
Main Authors MICHAEL J LENTZ, ROBERT ALLEN WRIGHT, DAVID LUIS WORACEK, RICHARD L BATTLES
Format Patent
LanguageEnglish
Published 21.08.1996
Edition6
Subjects
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS
MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS
TRANSPORTING
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Summary:In a conditioning system wherein flue gas 312 comprising particulate matter, is conditioned, for example with SO 3 , prior to electrostatic precipitation 314 of the particles, the SO 3 is made from SO 2 using a catalytic converter 320 which is moved in/out of the flue gas in response to a signal 314a determined from the rate of discharge of the precipitator. In some embodiments the conditioning system has a self-contained sulfur-burner control-loop to maintain a supply of SO 2 in air by varying the rate of supply of fuel to the burner, the SO 2 being fed to one or more converters. The moving catalyst bed may move linearly in/out of the flue gas (Figures 10 to 15) or pivot (Figures 17 to 19).
Bibliography:Application Number: GB19960008042