The TURBOSORP®-process is a dry flue gas cleaning process to remove certain pollutants like SO2, HCl, Hg, heavy metals, dioxins and furans. The main principle of this process is to bring flue gas in an intensive contact with Ca(OH)2, open hearth furnace coke, water and recirculated material in the Turboreactor. The Turboreactor operates as circulating fluidized bed in the manner of fast fluidisation. The gas/solid mixture leaves the Turboreactor at the top and the solids are separated in a fabric filter from the flue gas. More than 99% of the separated solids are recirculated to the Turboreactor and the rest leaves the process as product. Due to the high sorbent recirculation percentage a high sorbent utilization and low stoechiometric rates are reached in the TURBOSORP®-process. Due to the fact to have plants in operation for the spray absorption and for the TURBOSORP® process, a comparison definitely showed advantages for the TURBOSORP® process. Experiences of the plant start up of a TURBOSORP® plant in Poland concerning optimisation in pressure loss and hydrodynamics of the Turboreactor using CFD-Simulation are presented. Results concerning mercury and dioxin separation in our Turbosorp® pilot plant after the refuse incinerator MV Spittelau, Vienna, are discussed.

Topics:
Emissions, Separation (Technology), Flue gases, Solids, Sorbents, Absorption, Coke, Computational fluid dynamics, Filters, Fluidization, Fluidized beds, Heavy metals, Hydrodynamics, Incinerators, Open-hearth process, Optimization, Pollution, Pressure, Simulation, Solid wastes, Sprays, Textiles, Water
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 by ASME
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