Airborne Technical Papers

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Airborne has undertaken an extensive development program for the ultra-high removal of emissions from coal fueled generating stations called the Airborne Process™. Airborne completed a 5 MW demonstration near Ghent, Kentucky in 2003 and has completed additional advanced development for achieving high capture of NOx and Mercury (Hg) at the Energy and Environmental Research Center (EERC) of North Dakota University.

The technology described herein combines the use of dry sodium bicarbonate injection, coupled with enhanced wet sodium scrubbing and employing advanced staging with oxidants to control SOx, NOx, and Hg emissions. This paper details the results from the development of the Airborne Process™ including recent results from testing of oxidant solutions that removed both NOx and Hg at levels near 100% in both bench and pilot scale tests. In addition, the paper also describes the future commercial demonstration of the Airborne Process™ at Peabody’s Mustang Energy project, a new 300MW generating station in Milan, New Mexico--a program which would demonstrate a fully-integrated process with ultra-high removal of SOx, NOx, and Hg with emission levels similar to IGCC proposed levels . Additionally, a secondary system would be installed for the capture of carbon dioxide. The resulting byproducts are an ammonium sulfate (AS) fertilizer wet cake and a carbon dioxide stream. The ammonium sulfate stream would be further processed by Airborne’s patented granulation process This paper concludes by recognizing the success of the novel regeneration system, as a testament to the viability of this multi-pollutant control system process that produces a high-value useful product.

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This breakthrough cost effective emissions control technology uses regenerated sodium bicarbonate/carbonate and advanced staging employing oxidants. Airborne has undertaken an extensive development program for this emerging multi-pollutant control technology at a 5 MW demonstration facility at Kentucky Utilities Ghent Generating Station.

This paper details the results from this demonstration facility as well as other recent developments. The technology described herein combines the use of dry sodium bicarbonate injection, coupled with enhanced wet sodium bicarbonate scrubbing to provide SOx, NOx, Mercury (Hg) and other heavy metal controls. The resulting by-product from the Demonstration Facility was an ammonium sulfate (AS) fertilizer wet cake which can be further processed by Airborne’s patented granulation process. This paper concludes by recognizing the success of the novel regeneration system, as a testament to the viability of this multi-pollutant control system process that produced a high-value useful by-product.

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Airborne, in cooperation with LG&E Energy Corp., The Babcock and Wilcox Company and USFilter HPD Systems, has recently undertaken extensive R&D on an emerging multi-pollutant, post combustion control system. This paper details the experimental and analytical results of a lab and pilot scale 0.3 MW coal fired combustion test facility and the progression to an integrated 5 MW facility.

The technology described herein combines the use of dry sodium bicarbonate injection, coupled with enhanced wet sodium bicarbonate scrubbing to provide SOx, NOx, Mercury (Hg) and other heavy metal controls. Documented in this report are the SOx, NOx and Hg removal responses to the sodium bicarbonate sorbent as a function of the flue gas NOx content, SOx content, ratio of SOx to NOx, gas stream temperature, normalized stoichiometric ratio of the sodium bicarbonate sorbent and residence time.

This paper concludes by describing the advancement from the lab and pilot scale work to a 5 MW equivalent demonstration of the integrated process at Kentucky Utilities’ Ghent Generating station.

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This paper presents a breakthrough cost effective FGD technology which uses regenerated sodium bicarbonate/carbonate to remove SOx and NOx, while producing valuable fertilizer co-products. Described herein is the advanced regeneration technology developed by Airborne. Early work by Russia and others, on the conversion of sodium sulfate to sodium bicarbonate, indicated that this process was very difficult, since mixed salts of approximately similar proportions were...

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