Abstract
The organic matter content in the feed water of the waste heat boiler is important for the reliable operation of a thermal power plant with a combined cycle plant. PURPOSE. To study the organic impurities composition and behavior in source water (natural), feed water (passed multi-stage purification), blowdown water (sludge) of boilers, evaporators, main turbine condensate. METHODS. Organic substances were extracted from different types of process waters by a specially developed method with subsequent determination of the extracts physicochemical composition. RESULTS. Based on the results of various methods of physicochemical analysis in the samples extracted from the feed water of waste heat boilers, their qualitative composition was established. The discovered organic substances belonged mainly to the class of humic substances, which, due to their physicochemical properties, are able to penetrate into all types of deeply purified waters. CONCLUSION. For the combined cycle power plants successful operation, careful control over the organic impurities content and the use of modern combined purification technologies of feed water are required.
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Acknowledgements
The study was carried out with the financial support of the Russian Foundation for Basic Research within the framework of scientific project No. 20-38-90034.
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Filimonova, A., Chichirov, A., Chichirova, N., Batalova, A. (2022). Organic Substances in Process Waters of a Thermal Power Plant with a Combined Cycle Gas Turbine Plant and Methods for Their Detection. In: Vankov, Y. (eds) Proceedings of ICEPP 2021. ICEPP 2021. Lecture Notes in Civil Engineering, vol 190. Springer, Cham. https://doi.org/10.1007/978-3-030-86047-9_26
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DOI: https://doi.org/10.1007/978-3-030-86047-9_26
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