1. Teknik Elektrokimia Instructor: Rama Oktavian
15/16 Semester genap
Teknik Elektrokimia
Instructor: Rama Oktavian
Office Hr.: T , Th ; 13-15, F ; 13-15

2. Teknik elektrokimia Chlor-alkali plant Products: Chlorine
Sodium hydroxide (NaOH)
Hydrogen

3. Teknik elektrokimia
Chlor-alkali plant

4. Teknik elektrokimia
Chlor-alkali plant

5. Teknik elektrokimia Chlor-alkali plant Chlorine:
Chloride is a powerful oxidizing agent with a standard electrode potential of +1.36V.
Chlorine gas is formed during the electrolysis of molten sodium chloride in the industrial production of sodium metal.
Chlorine is produced by passing an electric current through a solution of brine (common salt dissolved in water). The chemical term for salt is sodium chloride (NaCl).
Essential co-products are caustic soda (sodium hydroxide (NaOH)) and hydrogen (H2). All three are highly reactive, and technologies have been developed to separate them and keep them apart
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6. Teknik elektrokimia Chlor-alkali plant
Co-product: Caustic soda and hydrogen
Caustic soda is an alkali and widely-used in many industries, including the food industry, textile production, soap and other cleaning agents, water treatment and effluent control.
Hydrogen is a combustible gas used in various processes including the production of hydrogen peroxide and ammonia as well as the removal of sulphur fro petroleum derivatives.
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7. Teknik elektrokimia
Chlor-alkali plant
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8. Teknik elektrokimia Chlor-alkali plant Chlorine:
There are three methods to produce Chlorine:
The membrane cell process
The diaphragm cell process
The mercury cell process
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9. The chlor-alkali process electrolyzes NaCl(aq) to produce Cl2
Teknik elektrokimia
Chlor-alkali plant
The chlor-alkali process electrolyzes NaCl(aq) to produce Cl2
(and other important chemicals)
Asbestos Diaphragm
Mercury-Cell
Membrane-Cell
Electrolysis Plant
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10. Teknik elektrokimia
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11. Teknik elektrokimia Chlor-alkali plant The diaphragm cell
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12. Teknik elektrokimia Chlor-alkali plant The diaphragm cell Reaction:
Anode:
Cathode:
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13. Teknik elektrokimia Chlor-alkali plant The diaphragm cell
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14. Teknik elektrokimia Chlor-alkali plant The mercury cell
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15. Teknik elektrokimia Chlor-alkali plant The mercury cell
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16. Teknik elektrokimia Chlor-alkali plant The membrane cell
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17. Teknik elektrokimia Chlor-alkali plant The diaphragm cell
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18. Teknik elektrokimia
Chlor-alkali plant
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19. Teknik Elektrokimia Chlor-alkali plant Sulphate Removal Demin. Water
Chlorine
Packing, Filling
Vaporization
Hypo
Product
Storage
Brine
Saturation
Primary
Treatment
Secondary
Dechlorination
Electrolysis
Salt DC
Rectification
AC Power Supply
Demineralized Water
Hydrogen
Handling
Caustic
Compression
Drying
HCl
Liquefaction
Production
Destruction
Sodium Sulphite
Chlorate
Concentration
Sulphuric Acid
Carbon Dioxide
To Hypo
NaOH

20. Teknik Elektrokimia
Chlor-alkali plant

21. Teknik Elektrokimia
Chlor-alkali plant

22. Thank You !