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Electrochemical Methods for the Treatment of Industrial Process Streams and Effluents: Part I: Cell Design and the Recovery of Dissolved Metals by Electrodeposition
Author(s) -
Scott K.
Publication year - 1993
Publication title -
developments in chemical engineering and mineral processing
Language(s) - English
Resource type - Journals
eISSN - 1932-2143
pISSN - 0969-1855
DOI - 10.1002/apj.5500010402
Subject(s) - electrodialysis , flue gas , effluent , waste management , heavy metals , electrochemical cell , electrochemistry , membrane technology , environmental science , chemistry , membrane , environmental chemistry , electrode , engineering , biochemistry
The use of electrochemical techniques is increasing rapidly for the treatment of a wide range of industrial effluents and process streams. This review considers these applications, for both liquid‐based and gas‐based streams, including the removal and recovery of dissolved metals, the destruction of dissolved organics, and the treatment of flue gases. Membrane‐based electrochemical methods such as electrodialysis are also discussed. Many of the methods described are used commercially, whilst many more are only at the prototype stage. The growing importance of electrochemical technology in this area is made evident by this review. Part I reviews the applications of electrochemistry and the cell designs for the recovery of metals by electrodeposition. This includes the use of two‐dimensional and three‐dimensional electrodes for recovery of precious metals and heavy metals. Part II reviews methods for waste‐gas treatment, organic chemical disposal and membrane‐based techniques.