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电解水制氢气的方法比较简单、经济,制得的氢气纯度高,可达95.5％以上,因此在工业上被普遍采用。电解水制氢气用的电解槽主要由电极板、石棉隔膜、绝缘零件和夹紧件等组成。充入的电解液(碱液)在直流电的作用下使水分解,由阴极表面析出氢气,阳极表面析出氧气。氢气和氧气分别从气道进入分离器。电解槽的种类较多,目前在我国应用最广泛的是双极性压滤式电解槽。
Hydrogen gas electrolysis of water is relatively simple, economical, high purity hydrogen obtained, up to 95.5% or more, it is widely used in industry. Electrolysis of hydrogen water electrolysis tank mainly by the electrode plate, asbestos diaphragm, insulation parts and clamping parts and other components. Filled electrolyte (lye) under the action of direct current to water decomposition, precipitation of hydrogen from the cathode surface, the anode surface oxygen evolution. Hydrogen and oxygen enter the separator separately from the airway. More types of electrolyzer, currently the most widely used in our country is bipolar pressure filter electrolyzer.