EL3001 Electrochemical Process Technology Syllabus:
EL3001 Electrochemical Process Technology Syllabus – Anna University Regulation 2021
OBJECTIVE:
• To provide an adequate mastery in the principles involved in the electrochemical process and its applications.
UNIT I ELECTRODES AND SEPARATORS
Electrodes and separators for the electrolytic production of chemicals – preparation, characteristics and applications of graphite, magnetite, lead dioxide coated anodes, noble metal coated anodes, noble metal oxide coated anodes, spinal anodes, Perovskite platinum and nickel anodes, steel cathodes, coated cathodes, diaphragms and ion exchange membranes.
UNIT II ELECTROLYTIC PRODUCTION OF IN-ORGANIC CHEMICALS
Electrolytic production of sodium hypochlorite, sodium and potassium chlorates, bromates and iodates. Sodium, potassium and ammonium perchlorates, perchloric acid. Potassium, and ammonium persulphates, hydrogen peroxide, potassium permanganate, cuprous oxide and maganese dioxide – Basic principles, reaction mechanisms, effect of operating variables, cell design and operating characteristics of industrial cells.
UNIT III ELECTRO ORGANIC CHEMISTRY AND ELECTRODIALYSIS
Production of hydrogen by water electrolysis. Electrodialysis and its application to desalination of water electrolysis and waste recovery. Basic principles of Electro organic chemistry, constant current electrolysis, controlled potential electrolysis, material yield, current efficiency, selectivity and energy consumption for electro organic synthesis. Paired synthesis with example.
UNIT IV ELECTROCHEMICAL REDUCTION AND OXIDATION OF FUNCTIONALGROUPS
Cathodic reduction of carbonyl compounds, nitro compounds, unsaturated compounds, nitriles and oximes. Electrohydrodimerization and cathodic coupling reactions, cathodic reactions using mediators. Anodic halogenation, oxidation through redox carriers – metal ion, non-metal ion and organic mediators. Anodic coupling reactions. Kolbe synthesis, mechanism and applications. Anodic oxidation of aromatic hydrocarbons and phenol. Anodic substitution reactions: alkoxylation, acetoxylation, cyanation and acetamidation.
UNITV ELECTRO POLYMERIZATION AND ELECTRO ORGANIC PROCESSES
Electro polymerization. Anodic and cathodic polymerization. Electrochemical preparation of conducting polymers – polyacetylene, polypyrrole, polythiophene, polyaniline and their applications. Industrial Electro organic processes – adiponitrile from acrylonitrile, dimethyl sebacate from monomethyladipate, tetra alkyl lead from alkyl chloride, perfluorooctanoic acid from octanoylchloride, aromatic aldehydes from toluenes. Electrochemical fluorination of organic compounds.
TOTAL: 45 PERIODS
OUTCOME:
• Acquire knowledge on electrodes and separators for the electrolytic production of chemicals
• Acquire knowledge on electrolytic production of in-organic chemicals
• Understand electro organic chemistry, electrodialysis and its applications
• Acquire knowledge on electrochemical reduction and oxidation of functional groups
• Understand electro polymerization and electro organic processes
TEXT BOOKS:
1. D.Pletcher and F.C.Walsh, “Industrial Electrochemistry”, II Edition Chapman and Hall, London,1990.
2. M.M.Baizer, “Organic Electrochemistry”, II Edition, Dekker Inc, Newyork, 1983.
REFERENCES:
1. M.R. Rifi and F. H. Covitz, “Introduction to Organic Electrochemistry”, Marcel Dekker Inc. NewYork, 1994.
2. D. Kyriacou, “Modern Electro Organic chemistry” Springer, New York, 1994.