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    • 34. 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)
    • 35. 发明授权
    • Sulfuric acid electrolytic cell and a sulfuric acid recycle type cleaning system applying the sulfuric acid electrolytic cell
    • 硫酸电解池和硫酸循环型清洗系统应用硫酸电解池
    • US08137513B2
    • 2012-03-20
    • US12459134
    • 2009-06-26
    • Masaaki KatoYoshiyuki SeyaNaoya HayamizuMakiko TangeYoshiaki KurokawaNobuo Kobayashi
    • Masaaki KatoYoshiyuki SeyaNaoya HayamizuMakiko TangeYoshiaki KurokawaNobuo Kobayashi
    • C25B9/08C25B11/12C25B1/28
    • C25B1/285C25B9/00
    • In a sulfuric acid electrolytic cell to electrolyze sulfuric acid supplied to an anode compartment and a cathode compartment comprising a diaphragm, said anode compartment and said cathode compartment separated by said diaphragm, a cathode provided in said cathode compartment and a conductive diamond anode provided in said anode compartment, as said conductive diamond anode, a conductive diamond film is formed on the surface of said conductive substrate, the rear face of said conductive substrate is pasted, with conductive paste, on an current collector comprising a rigid body with size equal to, or larger than, said conductive substrate, an anode compartment frame constituting said anode compartment is contacted via gasket with the periphery on the side of the conductive diamond film of said diamond anode, said diaphragm is contacted with the front face of said anode compartment, further, with the front face of said diaphragm, the cathode compartment frame constituting said cathode compartment, a gasket, and said cathode are contacted in sequence, the rear face of said cathode is pasted with conductive paste to the current collector comprising a rigid body with size equal to, or larger than, said cathode and electric power is supplied from one current collector to the other current collector via said conductive paste.
    • 在硫酸电解池中,电解供给阳极室的硫酸和包含隔膜的阴极室,由所述隔膜隔开的所述阳极室和所述阴极室分别设置在所述阴极室中的阴极和设在所述阴极室中的导电金刚石阳极 阳极室,作为所述导电金刚石阳极,在所述导电衬底的表面上形成导电金刚石膜,所述导电衬底的背面用导电膏粘贴在集电器上,该集电器包括尺寸等于或等于的刚体, 或大于所述导电基底,构成所述阳极室的阳极室框架通过垫圈与所述金刚石阳极的导电金刚石膜侧面的周边接触,所述隔膜与所述阳极室的前表面接触 与所述隔膜的前面相连,阴极隔室框架构成所述阴极co 间隔件,垫圈和所述阴极按顺序接触,所述阴极的背面用导电膏粘贴到集电器,该集电器包括尺寸等于或大于所述阴极的刚体,并且电力从一个 集电器经由所述导电浆料到另一个集电器。