Study on Simultaneous Determination of Halogen Compounds and Sulfur Oxides in Flue Gas by Using Ion Chromatography
Ion chromatography (IC) is an appropriate analytical method for determining anions. JIS includes analytical procedures for halogen compounds in flue gas for bromine, fluorine, chlorine (Cl2), and hydrogen chloride (HCl). JIS has not adopted IC, with the exception of HCl and Cl2. Because carbon dioxide in flue gas is absorbed as an absorber in a 0.1 M sodium hydroxide solution, it interferes with the measurement of F- and Cl- ions. This study describes the development of IC’s pretreatment equipment for flue gas analysis, as well as its applications to real-world flue gas analysis. The F-, Cl-, Br-, and SO42- in the absorbing solution can be clearly separated by IC using the pretreatment apparatus. In real-world flue gas, IC can detect halogen chemicals and sulphur oxides at the same time. The Japanese Industrial Standard has adopted this method (JIS K 0105, JIS K 0085)
Evaluation Research Institute for Environmental Technology, 2954-1-107, Togasaki, Misato-shi, Saitama341-0044, Japan.
Department of Resource and Environmental Group, Tokyo Metropolitan Industrial Technology Research Institute, 3-13-10, Nishigaoka, Kita-ku, Tokyo 115-8586, Japan.
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