Open AccessTechnology of desorption of dissolved oxygen from water by boiler exhaust gases
Author(s) -
М. М. Замалеев,
R I Kamalova,
O. V. Pazushkina
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1683/4/042062
Subject(s) - flue gas , boiler (water heating) , exhaust gas , waste management , chemistry , oxygen , carbon dioxide , environmental science , boiler blowdown , mass transfer , environmental engineering , engineering , chromatography , mechanical engineering , organic chemistry , inlet
A new technology of water degassing based on the use of boiler flue gases as a desorbing agent is described. In the process of burning gaseous fuel, almost all oxygen is consumed, which ensures its absence in the composition of exhaust gases. This makes it possible to use the flue gases of a gas-tight boiler as a desorbent in the process of water deaeration and to avoid using steam. The increasing concentration of carbon dioxide in deaerated water is proposed to be reduced by metering an alkaline agent. The article presents the results of evaluating the mass transfer efficiency of water degassing by the proposed method, as well as the results of calculating the theoretically required specific flow rate of exhaust gases for deaeration.