It is difficult to completely degrade wastewater\ncontaining refractory pollutants without secondary pollution\nby biological treatment, as well as physicalââ?¬â??chemical\nprocess. Therefore, electrochemical technology has attracted\nmuch attention for its environmental compatibility,\nhigh removal efficiency, and potential cost effectiveness,\nespecially on the industrial wastewater treatment. An effective\nbibliometric analysis based on the Science Citation\nIndex Core Collection database was conducted to evaluate\nelectrochemical technology for water and wastewater\ntreatment related research from 1994 to 2013. The amount\nof publications significantly increased in the last two decades.\nJournal of the Electrochemical Society published the\nmost articles in this field with a top h-index of 90, taking\n5.8 % of all, followed by Electrochimica Acta and Journal\nof Electroanalytical Chemistry. The researchers focused on\ncategories of chemistry, electrochemistry, and materials\nscience. China and Chinese Academy of Sciences were the\nmost productive country and institution, respectively, while\nthe USA, with the most international collaborative articles\nand highest h-index of 130, was the major collaborator with\n15 other countries in top 20 most productive countries.\nMoreover, based on the analysis of author keywords, title,\nabstract, and ââ?¬Ë?KeyWords Plusââ?¬â?¢, a new method named\nââ?¬Ë?ââ?¬Ë?word cluster analysisââ?¬â?¢Ã¢â?¬â?¢ was successfully applied to trace\nthe research hotspot. Nowadays, researchers mainly focused\non novel anodic electrode, especially on its physiochemical\nand electrochemical properties.
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