The objective of this second edition remains the discussion of the many diverse roles of electrochemical technology in industry. Throughout the book, the intention is to emphasize that the applications, though extremely diverse, all are on the same principles of electrochemistry and electrochemical engineer based ing. Those familiar with the first edition will note a significant increase in the number of pages. The most obvious addition is the separate chapter on electrochemical sensors but, in fact, all chapters have been reviewed thoroughly and many have been altered substantially. These changes to the book partly reflect the different view of a second author as well as comments from students and friends. Also, they arise inevitably from the vitality and strength of electrochemical technology; in addition to important improvements in tech nology, new electrolytic processes and electrochemical devices continue to be reported. In the preface to the first edition it was stated: . . . the future for electrochemical technology is bright and there is a general expectation that new applications of electrochemistry will become economic as the world responds to the challenge of more expensive energy, of the need to develop new materials and to exploit different chemical feedstocks and of the necessity to protect the environment. The preparation of this second edition, seven years after these words were written, provided an occasion to review the progress of industrial electro chemistry.
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acid acrylonitrile addition adiponitrile adsorbed adsorption alloy aluminium anode and cathode anolyte applications aqueous battery bipolar carbon cathode reaction cathodic protection catholyte cell design cell voltage Chapter chemical chlor-alkali chlorine coatings complex components concentration conductivity copper corrosion cost Courtesy current density current distribution current efficiency depend deposition diaphragm discharge dissolution effluent electrical electroactive species electrochemical electrochemistry electrode materials electrode potential electrode reactions electrode surface electrodeposition electrolyte flow electron transfer electroplating electrosynthesis electrowinning energy consumption equation etching example film fuel cell g dm hence hydrogen evolution increase industry interelectrode gap ion-selective electrodes kinetics layer lead limiting current lithium mercury metal mg dm moldm nickel occur operation overall overpotential oxidation oxygen oxygen evolution passive plating polymer porous printed circuit boards reactant reactor redox reduction removal sodium hydroxide solution solvent steel substrate Tafel tank temperature typical