DOI: https://doi.org/10.15587/1729-4061.2014.31570

Rationale for blowdown water conditioning circuits of zero-discharge recirculating cooling systems at NPP

Виктор Афанасьевич Кишневский, Вадим Валентинович Чиченин, Ирина Дмитриевна Шуляк

Abstract


The calculation results of physicochemical parameters of water by processing stages of the blowdown water of the recirculating cooling system after the devices of hybrid water treatment plants using water preparation before the reverse osmosis plant by the methods of liming, soda-liming, ion exchange are given. The possibility of controlling the quality of the concentrate and permeate of the reverse osmosis plant by changing the physicochemical composition to the membrane processing is shown. The principle of constructing the circuits of zero-discharge multi-purpose hybrid water treatment plants for the production of feed water with different quality for the NPP cycles from the blowdown water of recirculating cooling systems is substantiated. Separation of the mass-salt flow of the blowdown water into two allows to bring the quality of treated water to the standards, imposed on the feed water of the NPP cycles. This can significantly reduce the station discharges into the environment.


Keywords


recirculating cooling system; recirculation; circulating water; blowdown water; concentration; ion exchange

References


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GOST Style Citations


Кишневский, В. А. Применение гибридных водоподготовительных установок при обработке продувочных вод оборотных систем охлаждения [Текст] / В. А. Кишневский, Е. В. Кишневский, О. М. Малиновский, И. Д. Шуляк // Вода и водоочистные технологии. Научно–технические вести. – 2011. – № 2 (4). – С. 53–58.

Walker, M. E. Economic impact of condenser fouling in existing thermo electric power plants [Text]/M. E. Walker, I. Safari, R. B. Theregowda // Energy. – 2012. – Vol. 44, Issue 1. – Р. 429–437. doi: 10.1016/j.energy.2012.06.010 

Walker, M. E. Utilization of municipal wastewater for cooling in thermoelectric power plants: Evaluation of the combined cost of makeup water treatment and increased condenser fouling [Text] / M. E. Walker, R. B. Theregowda, I. Safari, J. Abbasian, H. Arastoopour, D. A. Dzombak et. al. // Energy. – 2013. – Vol. 60. – P. 139–147. doi: 10.1016/j.energy.2013.07.066 

Khamis, I. Trends and challenges toward efficient water management in nuclear power plants [Text] / I. Khamis, K.C. Kavvadias // Nuclear Engineering and Design. – 2012. – Vol. 248. – P. 48–54. doi: 10.1016/j.nucengdes.2012.03.039 

van Limpt, B. Water and chemical savings in cooling towers by using membrane capacitive deionization [Text] / B. van Limpt, A. van der Wal // Desalination. – 2014. – Vol. 342. – P. 148–155. doi: 10.1016/j.desal.2013.12.022 

Yu, X. Experimental evaluation on concentrating cooling tower blowdown water by direct contact membrane distillation [Text] / X. Yu, H. Yang, H. Lei, A. Shapiro // Desalination. – 2013. – Vol. 323. – P. 134–141. doi: 10.1016/j.desal.2013.01.029 

Кишневский, В. А. Математическая модель оборотных систем охлаждения с рециркуляцией части продувок  на предвключенный осветлитель [Текст] / В. А. Кишневский, В. В. Чиченин, В. Г. Ахромеев. // Тр. Одес. поли-техн. ун-та. – 2013. – Вып. 3 (42). – С. 76–80.

Zhang, J. Pilot test of UF pretreatment prior to RO for cooling tower blowdown reuse of power plant [Text] / J. Zhang, H. Zeng, C. Ye, L. Chen, X. Yan // Desalination. – 2008. – Vol. 222, Issues 1–3. – P. 9–16. doi: 10.1016/j.desal.2007.01.123 

Zhang, J. Pilot testing of outside-in MF and UF modules used for cooling tower blowdown pretreatment of power plants [Text] / J. Zhang, L. Chen, H. Zeng, X. Yan, X. Song, H. Yang, C. Ye // Desalination. – 2007. – Vol. 214, Issues 1–3. – P. 287–298. doi: 10.1016/j.desal.2006.12.004 

Frick, J. M. Evaluation of pretreatments for a blowdown stream to feed a filtration system with discarded reverse osmosis membranes [Text] / J. M. Frick, L. A. Féris, I. C. Tessaro // Desalination. – 2014. – Vol. 341. – P. 126–134. doi: 10.1016/j.desal.2014.02.033 

Zeng, H. Comparison of an ultrafiltration membrane fed with raw seawater, coagulated seawater and cooling tower blowdown [Text] / H. Zeng, J.  Zhang, C. Ye // Desalination. – 2009. – Vol. 244. Issues 1–3. – P. 199–207. doi: 10.1016/j.desal.2008.04.044 







Copyright (c) 2014 Виктор Афанасьевич Кишневский, Вадим Валентинович Чиченин, Ирина Дмитриевна Шуляк

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ISSN (print) 1729-3774, ISSN (on-line) 1729-4061