Articles | Volume 6, issue 1
Regular research article
14 Jun 2017
Regular research article |  | 14 Jun 2017

High-temperature CO / HC gas sensors to optimize firewood combustion in low-power fireplaces

Binayak Ojha, Navas Illyaskutty, Jens Knoblauch, Muthu Raman Balachandran, and Heinz Kohler

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Cited articles

Andersson, M., Pearce, R., and Spetz, A. L.: New generation SiC based field effect transistor gas sensors, Sensors and Actuators B, 179, 95–106, 2013.
Butschbach, P., Hammer, F., Kohler, H., Potreck, A., and Trautmann, T.: Extensive reduction of toxic gas emissions of firewood-fueled low power fireplaces by improved in situ gas sensorics and catalytic treatment of the exhaust gas, Sensors and Actuators B, 137, 32–41, 2009.
Eskilsson, D., Rönnbäck, M., Samuelsson, J., and Tullin, C.: Optimisation of efficiency and emissions in pellet burners, Biomass Bioenerg., 27, 541–546, 2004.
Frank, K., Magapu, V., Schindler, V., Kohler, H., Keller, H. B., and Seifert, R.: Chemical analysis with tin oxide gas sensors: choice of additives, method of operation and analysis of numerical signal, Sensor Letters, 6, 908–911, 2008.
Hahn, S. H., Barsan N., Weimer, U., Ejakov, S. G., Visser, J. H., and Soltis, R. E.: CO sensing with SnO2 thick film sensors: role of oxygen and water vapour, Thin Solid Films, 436, 17–24, 2003.
Short summary
A novel combustion airstream control concept has been developed based on in situ sensors for combustion temperature, residual oxygen concentration and residual un-combusted CO / HC components. The implementation of this control concept allows for a large reduction in toxic gas emissions by up to 80 % compared to hand-operated furnaces. A stable long-term CO / HC sensor for such an application is not available; thus, the long-term sensor signal stability of different CO / HC sensors is studied.