EPJ Web Conf.
Volume 180, 2018EFM17 – Experimental Fluid Mechanics 2017
|Number of page(s)||7|
|Published online||04 June 2018|
High Temperature Modification of SNCR Technology and its Impact on NOx Removal Process
ORGREZ, a.s., Hudcova 321/76, 612 00 Brno-Medlánky, Czech Republic
2 VŠB Technical university of Ostrava, 17. listopadu 15/2172, 708 33, Ostrava Poruba, Czech Republic
3 Mehldau & Steinfath Umwelttechnik GmbH, Alfredstraße 279, D-45133 Essen, Deutschland
* Corresponding author: firstname.lastname@example.org
Published online: 4 June 2018
SNCR (Selective non-catalytic reduction) Technology is currently being used to reach the emission limit for nitrogen oxides at fossil fuel fired power plant and/or heating plant and optimum temperature for SNCR process is in range 850 - 1050°C. Modified SNCR technology is able to reach reduction 60% of nitrogen oxides at temperature up to 1250°C. So the technology can also be installed where the flue gas temperature is too high in combustion chamber. Modified SNCR was tested using generally known SNCR chemistry implemented in CFD (Computation fluid dynamics) code. CFD model was focused on detail simulation of reagent injection and influence of flue gas temperature. Than CFD simulation was compared with operating data of boiler where the modified SNCR technology is installed. By comparing the experiment results with the model, the effect on nitrous oxides removal process and temperature of flue gas at the injection region.
© The Authors, published by EDP Sciences, 2018
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