Electrochemical technologies in wastewater treatment. Jilin agricultural science and technology college school of plant. Electrochemical technologies for wastewater treatment and. Pdf electrochemical technologies in wastewater treatment tha. In practice, the application of electrochemical processes for advanced treatment of water. Solar thermocoupled electrochemical oxidation of aniline. Electrodes with aluminum al, iron fe, steel st and graphite are generally the best suited to electrochemical water treatment. Application of electrochemical technology for water treatment of. Electrochemical reactors for wastewater treatment muddemann. Electrochemical technologies are a promising alternative for the treatment of wastewaters containing organic pollutants.
Electrochemical technologies for wastewater treatment and resource. Most environmental pollutants can be successfully eliminated or converted to nontoxic materials by one or more processes, including elec. Electrochemical technologies in wastewater treatment guohua chen. Department of chemical and biomolecular engineering. Electrochemical treatment of pollutants in water can be accomplished in many different ways, for example, by direct oxidation and reduction reactions, through the production of reactive chemical species, or by releasing chemicals that achieve physical removal. Electrochemical technologies in wastewater treatment separation.
Clausthal university of technology, institute of chemical and electrochemical process. Pdf electrochemical technology for wastewater treatment. For treating wastewater, electrochemical engineering has been rediscovered during the last four decades through the world for its inherent advantages comparatively with traditional technologies. Electrooxidation is finding its application in wastewater treatment in combination with other technologies. The requirements for process water and wastewater treatment with. Pdf electrochemical technologies in wastewater treatment. Separation and purification technology 38 2004 1141 electrochemical technologies in wastewater treatment guohua chen. Electrolytic wastewater treatment is rarely used in comparison to chemical treatment. Herein, we report the solar thermal electrochemical process step aniline oxidation in wastewater for totally solving the two key obstacles of the huge energy consumption and passivation film in. Electrochemical treatment of pollutants in water can be accomplished in many different ways, for example, by direct oxidation and reduction.
Review article recent developments in electrochemical. For treating wastewater, electrochemical engineering has been rediscovered during the last four decades through the world for its inherent advantages comparatively with traditional technologies especially chemical and biological techniques. Pdf electrochemical technologies for wastewater treatment and. The hong kong university of science and technology. In addition, electrochemical technology has been applied to evaluate conventional water quality parameters cod, biochemical oxygen demand bod, and suspended solids ss, nutrients nitrogen, phosphorus, and phosphate, resource recovery and recycling. Titaniumbased borondoped diamond film electrodes tibdd show high activity and give reasonable stability. Particular focus was given to electrodeposition, electrocoagulation. Eco asia conference 29 10 2008 water pollution impacts. Pdf recent developments in electrochemical technology for. The electrochemical technologies for water treatment are a clear example of this since they combine high efficiency, with low resource consumption, by using the electron as a clean reagent 2. Particular focus was given to electrodeposition, electrocoagulation ec, electroflotation ef and electrooxidation. It is effective in degrading the refractory pollutants on the surface of a few electrodes. Abstract regarding the treatment of wastewater, electrochemical. However, this treatment is convenient and may be more efficient to produce high quality water.
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