A study of chlor- alkali cell configurations: a mini review
کد مقاله : 1096-17THECSI
نویسندگان
پرهام امیرشکری *
دانشگاه علم و صنعت ایران
چکیده مقاله
Membrane potential as a variation of caustic soda and salt concentration 11. The amount of sodium ion transfer from the membrane.
While researchers have been developing zero-gap cells for the chloralkali process for years, the biggest challenge that stands in the way of this process is the high energy consumption, so that the theoretical voltage of the process is 4.4 V, but the lowest voltage recorded is 8.6 V has been reported in recent studies on a laboratory scale.
As it can be seen, according to the studies conducted in the field of energy consumption, the obtained results indicate that:
• Cell voltage increases with increasing pH.
• Cell voltage decreases with increasing temperature.
• Cell voltage has a direct relationship with current density and increases with its increase.
• The concentration and speed of the incoming feed does not depend on the cell voltage, but it should be noted that the purity of the products also changes with the changes in the concentration.
کلیدواژه ها
ion-exchange membrane; membrane electrolysis; zero-gap electrolysis cell; Chlor-alkali electrolysis; Gas-diffusion electrode; Oxygen depolarized cathode
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