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    • 5. 发明申请
    • APPARATUS FOR ELECTROLYZING SULFURIC ACID AND METHOD FOR ELECTROLYZING SULFURIC ACID
    • 用于电解硫酸的装置和用于电解硫酸的方法
    • US20130334059A1
    • 2013-12-19
    • US14001636
    • 2012-03-07
    • Hiroki DomonKouji FujiiJunko KosakaMasaaki Kato
    • Hiroki DomonKouji FujiiJunko KosakaMasaaki Kato
    • C25B1/22C25B15/02
    • C25B1/22C25B11/12C25B15/02C25B15/08
    • The present invention relates to an apparatus to produce oxidizing agent-rich sulfuric acid by electrolysis of sulfuric acid. More specifically, it relates to the apparatus by which dilute sulfuric acid of the specified temperature and concentration is formed within the electrolysis system and then, by electrolysis of the formed dilute sulfuric acid, electrolytic sulfuric acid containing richly oxidizing agent is formed at a high efficiency and safely under the temperature control.The apparatus for electrolyzing sulfuric acid and the method for electrolyzing sulfuric acid by the present invention comprise the anode side dilute sulfuric acid generation loop A in which concentrated sulfuric acid, as feed material, is diluted and controlled to the specified temperature and concentration, and the anode side electrolytic sulfuric acid generation loop B in which electrolytic sulfuric acid is formed by electrolysis of dilute sulfuric acid with the temperature and concentration controlled to the specified range in the anode side dilute sulfuric acid generation loop A, in, at least, the anode side electrolysis part of the apparatus for electrolyzing sulfuric acid having the anode side electrolysis part and the cathode side electrolysis part.
    • 本发明涉及通过电解硫酸生产富氧化剂硫酸的装置。 更具体地说,涉及在电解系统内形成规定温度和浓度的稀硫酸的装置,然后通过电解形成的稀硫酸,以高效率形成含有浓氧化剂的电解硫酸 并在温度控制下安全。 本发明的硫酸电解装置及硫酸电解方法包括将作为原料的浓硫酸稀释至规定温度和浓度的阳极侧稀硫酸生成环A, 阳极侧电解硫酸生成回路B,其中通过在阳极侧稀硫酸生成回路A中将温度和浓度控制在规定范围内的稀硫酸电解形成电解硫酸,至少在阳极侧 用于电解具有阳极侧电解部分和阴极侧电解部分的硫酸的装置的电解部分。
    • 7. 发明授权
    • Sulfuric acid electrolysis process
    • 硫酸电解过程
    • US08211287B2
    • 2012-07-03
    • US12459161
    • 2009-06-26
    • Masaaki KatoYusuke OgawaHiroki DomonNaoya HayamizuMakiko TangeYoshiaki KurokawaNobuo Kobayashi
    • Masaaki KatoYusuke OgawaHiroki DomonNaoya HayamizuMakiko TangeYoshiaki KurokawaNobuo Kobayashi
    • C25B1/28
    • C25B1/285
    • Sulfuric acid electrolysis process wherein; a temperature of electrolyte containing sulfuric acid to be supplied to an anode compartment and a cathode compartment is controlled to 30 degree Celsius or more; a flow rate F1 (L/min.) of the electrolyte containing sulfuric acid to be supplied to said anode compartment is controlled to 1.5 times or more (F1/Fa≧1.5) a flow rate Fa (L/min.) of gas formed on an anode side as calculated from Equation (1) shown below and a flow rate F2(L/min.) of said electrolyte containing sulfuric acid to be supplied to said cathode compartment is controlled to 1.5 times or more (F2/Fc≧1.5) a flow rate Fe (L/min.) of gas formed on a cathode side as calculated from Equation (2) shown below. Fa=(I×S×R×T)/(4×Faraday constant)  Equation (1) Fe=(I×S×R×T)/(2×Faraday constant)  Equation (2) I: Electrolytic current (A) S: Time: 60 second (Fixed) R: Gas constant (0.082 1·atm/K/mol) K: Absolute temperature (273.15 degree Celsius+T degree Celsius) T: Electrolysis temperature (degree Celsius) Faraday constant: (C/mol)
    • 硫酸电解法其中; 供给阳极室和阴极室的含有硫酸的电解质的温度控制在30摄氏度以上; 供给所述阳极室的含有硫酸的电解质的流量F1(L / min)被控制为形成的气体的流量Fa(L / min)的1.5倍以上(F1 /Fa≥1.5) 在阳极侧,由下述式(1)计算,含有供给阴极室的硫酸的电解质的流量F2(L / min)被控制为1.5倍以上(F2 /Fc≥1.5 )由如下所示的等式(2)计算的在阴极侧形成的气体的流速Fe(L / min)。 Fa =(I×S×R×T)/(4×法拉第常数)等式(1)Fe =(I×S×R×T)/(2×法拉第常数)等式(2)I:电解电流 )S:时间:60秒(固定)R:气体常数(0.082 1·atm / K / mol)K:绝对温度(273.15摄氏度+ T摄氏度)T:电解温度(摄氏度)法拉第常数 / mol)