Article | REF: J4804 V1

Cells for chlorine-sodium electrolysis

Author: Jean-Christophe MILLET

Publication date: June 10, 2008 | Lire en français

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2. Energy balance for electrolysis

2.1 Current efficiency

2.1.1 Production of an electrolytic cell

In the case of NaCl electrolysis, Faraday's law can be applied to calculate the amount of chlorine produced at the anode, proportional to the amount of current flowing through the cell:

Calculation of the hourly output of a NaCl electrolysis cell in aqueous solution at 120,000 A:

m = \frac{1}{26,8} \times \frac{70,9 \times 10^{- 3}}{2} \times 120 000 \times 1 = 159 kg/h de chlore

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Energy balance for electrolysis

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Electrolysis voltage

Bibliography

File references

(1) - BOCKRIS (J.O'M.) et coll - Comprehensive treatise of electrochemistry. - Plenum Press (1982).
(2) - STORCK (A.), CŒURET (F.) - Éléments de génie électrochimiques. - Lavoisier (1984).
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Manufacturers

(Non-exhaustive list)

Bipolar membrane technology

• AK (AshiKasei), Japan, ML32NC cell ^®http://www.asahi-kasei.co.jp/asahi/en/

• CEC (Chlorine Engineers Corp), Japan, Bitac cell ^®

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