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COMMERCIALIZATION OF THE ADVANCED HYBRID TM FILTER TECHNOLOGY

The theory and design of the ADVANCED HYBRID filter technology will be reviewed as well as the key learnings and performance data generated during three years of operating a field pilot unit at Otter Tail Power’s Big Stone generating site. This performance data was used to size and design two full-scale demonstration applications of this technology, which marks the next step toward commercialization. These two applications will start-up this fall. One application is the installation of a new ADVANCED HYBRID filter to replace an existing electrostatic precipitator (ESP) on a cement kiln in Italy. The other application is retrofitting the existing ESP at Otter Tail’s Big Stone site to an ADVANCED HYBRID filter design capturing the fly ash from a cyclone-fired boiler burning Powder River Basin (PRB) coals. The design of these two applications will be covered in this paper. The last section of the paper will be devoted to a discussion of the commercialization plan for this exciting new technology.