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    • 9. 发明授权
    • Method and apparatus for continuous fractional analysis of metallic mercury and water-soluble mercury in a gas
    • 气体中金属汞和水溶性汞的连续分数分析方法和装置
    • US07144736B2
    • 2006-12-05
    • US10363807
    • 2001-06-25
    • Naoki NodaShigeo ItoKoji MarumotoKoji TanidaMunehiro Hoshino
    • Naoki NodaShigeo ItoKoji MarumotoKoji TanidaMunehiro Hoshino
    • G01N33/20G01N21/33G01N21/01G01N1/22
    • G01N33/0045G01N1/2214G01N1/2247G01N2001/2217G01N2001/227G01N2001/4066Y10T436/25375Y10T436/255Y10T436/25875
    • A method and an apparatus which continuously separate and measure mercury in an exhaust gas in accordance with each chemical conformation and display a measurement result in real time. According to the method and the apparatus, water-soluble mercury in a gas is absorbed into an absorption solution (7), the gas and the absorption solution (7) are then separated from each other, the water-soluble mercury in the absorption solution (7) is reduced to be converted into gaseous metal mercury and led to an analyzer (20), and metal mercury in the gas which is not absorbed into the absorption solution (7) is led to an analyzer (22) in the form of gas. As a result, the water-soluble mercury and the non-water-soluble mercury contained in the gas can be captured and measured/analyzed in respective measurement systems in accordance with each chemical conformation. In addition, a concentration of the metal mercury and that of the water-soluble mercury in the gas can be continuously monitored in real time. In this analysis, it is preferable to use the absorption solution (7) to absorb an acid gas which is an inhibitive component to mercury measurement, together with the water-soluble mercury.
    • 根据每个化学构型连续分离和测量废气中的汞并且实时显示测量结果的方法和装置。 根据该方法和装置,气体中的水溶性汞被吸收到吸收溶液(7)中,然后将气体和吸收溶液(7)相互分离,吸收溶液中的水溶性汞 (7)被还原成为气态金属汞并导致分析器(20),并且不吸收到吸收溶液(7)中的气体中的金属汞被引导到分析器(22)的形式 加油站。 结果,气体中所含的水溶性汞和非水溶性汞可以根据每种化学构型在相应的测量系统中被捕获和测量/分析。 此外,可以实时地连续监测金属汞和气体中的水溶性汞的浓度。 在该分析中,优选使用吸收溶液(7)与水溶性汞一起吸收作为汞测定的抑制成分的酸性气体。