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Discrete-Pulsed Energy Input Based Method for Neutralisation of the Acidic Condensate

Tselen Bogdan, Ivanitsky Georgiy, Obodovych Oleksandr, Radchenko Nataliya, Nedbailo Anna, Gozhenko Liubov

Rocznik Ochrona Środowiska

2023

Tom 25

215--221

The article's authors analysed the most perspective and widely known methods of neutralising the acidic condensate, which is a by-product of natural gas combustion. Among them, the hydrodynamic cavitation method was the most effective. In this regard, it was proposed to improve this method by using the method of discrete-pulsed energy input, which involves neutralisation due to the degassing process. Based on the mathematical model of the bubble ensemble dynamics, a numerical simulation of the formation and growth of vapour-gas bubbles in the process of cavitation boiling of condensate was carried out. Also, an analytical study of the evolution of the vapour-gas bubble population and changes in the current vapour content of the condensate during its boiling was investigated under different values of the initial size of gas micronuclei. The results of the experimental study also confirmed the effectiveness of this method and showed that almost complete removal of carbonic acid from condensate occurs during the first two minutes of processing. That is evidenced by the increased pH values of condensate, which corresponds to the range of permissible pH values of distilled water. Therefore, the carbonic acid in the condensate is absent. Using this method will significantly reduce the environmental effect and the amount of harmful emissions.