Research

Novel catalyst systems for deNOx


Reference:

Mcclymont, D., Kolaczkowski, S., Molloy, K. C. and Awdry, S., 2012. Novel catalyst systems for deNOx. In: IChemE Catalysis for Energy Meeting, 2012-12-11.

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    Abstract

    Technologies are being developed to enable a feed of biomass to be gasified, producing a fuel that has a high CO and H2 content; which may then be used in stationary gas engines to supply energy in the form of electricity and heat. This creates an opportunity to develop more effective, economic solutions for the clean-up of emissions from such engines, in line with the European Waste Incineration Directive (WID). Ammonia or urea selective catalytic reduction (NH3-SCR) is the current industrial practice for NOx control from stationary sources. NOx Storage and Reduction (NSR) processes, where NOx species are ‘trapped’ before they are subsequently reduced through alternate lean and rich-burn cycles, also use ammonia as the reductant of choice. Hydrogen may also be used as a reductant in these processes, and as it is already present in the application of interest, it negates the need for the additional chemicals and their associated costs. The development of a catalyst material which can facilitate the reduction of NOx using hydrogen is the primary aim of this research, and recent work has focused on investigation of the performance of various catalysts in these processes. It may also be possible to combine the SCR and NSR processes, using hydrogen as the reductant, to create a hybrid design further improving the efficiency of the NOx treatment system.

    Details

    Item Type Conference or Workshop Items (Poster)
    CreatorsMcclymont, D., Kolaczkowski, S., Molloy, K. C. and Awdry, S.
    DepartmentsFaculty of Engineering & Design > Chemical Engineering
    Faculty of Science > Chemistry
    Research CentresCentre for Sustainable Chemical Technologies
    RefereedNo
    StatusUnpublished
    ID Code34500

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